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  • 1
    Call number: AWI Bio-95-0113-2
    In: Die Diatomeen von Schweden und Finnland
    Type of Medium: Monograph available for loan
    Pages: 158, [35] S. : Ill.
    Series Statement: Kungliga Svenska Vetenskapsakademiens handlingar : Fjärde serien 4, 1
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  • 2
    Monograph available for loan
    Monograph available for loan
    Baltimore, Md. : Johns Hopkins University Pr.
    Call number: AWI E1-15-89213
    Description / Table of Contents: Alfred Wegener aimed to create a revolution in science which would rank with those of Nicolaus Copernicus and Charles Darwin. After completing his doctoral studies in astronomy at the University of Berlin, Wegener found himself drawn not to observatory science but to rugged fieldwork, which allowed him to cross into a variety of disciplines. The author of the theory of continental drift - the direct ancestor of the modern theory of plate tectonics and one of the key scientific concepts of the past century - Wegener also made major contributions to geology, geophysics, astronomy, geodesy, atmospheric physics, meteorology, and glaciology. Remarkably, he completed this pathbreaking work while grappling variously with financial difficulty, war, economic depression, scientific isolation, illness, and injury. He ultimately died of overexertion on a journey to probe the Greenland ice cap and calculate its rate of drift. This landmark biography - the only complete account of the scientist's fascinating life and work - is the culmination of more than twenty years of intensive research. In Alfred Wegener, Mott T. Greene places Wegener's background and theoretical advances in earth science in the context of his brilliantly eclectic career, bringing Wegener to life by analyzing his published scientific work, delving into all of his surviving letters and journals, and tracing both his passionate commitment to science and his thrilling experiences as a polar explorer, a military officer during World War I, and a world record-setting balloonist. In the course of writing this book, Greene traveled to every place that Alfred Wegener lived and worked - to Berlin, rural Brandenburg, Marbug, Hamburg, and Heidelberg in Germany; to Innsbruck and Graz in Austria; and onto the Greenland ice cap. He also pored over archives in Copenhagen, Munich, Marburg, Graz, and Bremerhaven, where the majority of Wegener's surviving papers are found. Written with great immediacy and descriptive power, Alfred Wegener is a powerful portrait of the scientist who pioneered the modern notion of unified earth science. The book should be of interest not only to earth scientists, students of polar travel and exploration, and historians but to all readers who are fascinated by the great minds of science.
    Type of Medium: Monograph available for loan
    Pages: xiv, 675 S. , Ill., Kt.
    ISBN: 9781421417127
    Language: English
    Note: Contents: Preface. - Acknowledgements. - 1. The boy: Berlin and Brandenburg, 1880-1899. - 2. The student: Berlin - Heidelberg - Innsbruck - Berlin, 1899-1901. - 3. The astronomer: Berlin, 1901-1904. - 4. The aerologist: Lindenberg, 1905-1906. - 5. The polar meteorologist: Greenland, 1906. - 6. The Arctic explorer (1): Greenland, 1907-1908. - 7. The atmospheric physicist (1): Berlin und Marburg, 1908-1910. - 8. The atmospheric physicist (2): Marburg, 1910. - 9. At a crossroads: Marburg, 1911. - 10. The theorist of continental drift (1): Marburg, December 1911 - February 1912. - 11. The theorist of continental drift (2): Marburg, February - April 1912. - 12. The Arctic explorer (2): Greenland, 1912-1913. - 13. The soldier: Marburg and "The Field", 1913-1915. - 14. The meteorologist: "In the field", 1916-1918. - 15. The geophysicist: Hamburg, 1919-1920. - 16. From geophysicist to climatologist: Hamburg, 1920-1922. - 17. The paleoclimatologist: Hamburg, 1922-1924. - 18. The professor: Graz, 1924-1928. - 19. Theorist and Arctic explorer: Graz and Greenland, 1928-1929. - 20. The expedition leader: Graz and Greenland, 1929-1930. - Epilogue. - Notes. - Bibliographical essay. - Index.
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  • 3
    Monograph available for loan
    Monograph available for loan
    Berlin : Verlag für Geowissenschaften
    Call number: AWI E1-15-89214
    Description / Table of Contents: Alfred Wegener (1880-1930) war einer der bedeutendsten deutschen Naturwissenschaftler des vergangenen Jahrhunderts. Er untersuchte die Erdatmosphäre mit Drachen und Fesselballonen, erforschte das Wesen der gefürchteten Windhosen, fuhr vier Mal auf wissenschaftliche Expeditionen nach Grönland und stellte einen Weltrekord im bemannten Ballonflug auf. In diesem Buch wird das Leben dieses vielseitigen Forschers erzählt. Daneben wird sein wissenschaftliches Hauptwerk, die Kontinentaldrifttheorie, und seine Theorie zur Entstehung der Mondkrater durch Meteoritenbombardement beleuchtet, an die er Ideen über die Entstehung der Erde selbst knüpfte.
    Type of Medium: Monograph available for loan
    Pages: 208 S. , Ill., Kt.
    Edition: 1. Aufl.
    ISBN: 978-3-9814603-0-8 , 3981460308
    Language: German
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  • 4
    Monograph available for loan
    Monograph available for loan
    Leningrad : Gidrometeoizdat
    Call number: AWI A3-17-90425
    Description / Table of Contents: The book by A. S. Monin "Introduction to the theory of climate" summarizes the principal notions, information and methods of the physical theory of climate in its contemporary sense which implies that the basis of this theory is formed by a physico-mathematical modelling of the climatic system the atmosphere-ocean-land. The book is meant for specialists dealing with investigations of atmosphere, cryosphere, biosphere and land hydrology.
    Type of Medium: Monograph available for loan
    Pages: 245 S.
    Language: Russian
    Note: In kyrill. Schr.
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  • 5
    Monograph available for loan
    Monograph available for loan
    New York, NY : Cambridge University Press
    Call number: AWI A6-17-90616
    Type of Medium: Monograph available for loan
    Pages: xxxiv, 432 Seiten , Illustrationen, graphische Darstellungen
    Edition: First published
    ISBN: 9781107118140
    Language: English
    Note: Contents: Lists of figures. - List of contributors. - Preface. - 1. Challenges for ice age dynamics: a dynamical systems perspective / Michel Crucifix, Guillaume Lenoir and Takahito Mitsui. - 2. Tipping points in the climate system / Peter Ditlevsen. - 3. Atmospheric teleconnection patterns / Steven B. Feldstein and Christian L. E. Franzke. - 4. Atmospheric regimes: the link between weather and the large scale circulation / David M. Straus, Franco Molteni and Susanna Corti. - 5. Low-frequency regime transitions and predictability of regimes in a barotropic model / Balu T. Nadiga and Terence J. O'Kane. - 6. Complex network techniques for climatological data analysis / Reik V. Donner, Marc Wiedermann and Jonathan F. Donges. - 7. On inference and validation of causality relations in climate teleconnections / Illia Horenko, Susanne Gerber, Terence J. O'Kane, James S. Risbey and Didier P. Monselesan. - 8. Stochastic climate theory / Georg A. Gottwald, Daan T. Crommelin and Christian L. E. Franzke. - 9. Stochastic subgrid modelling for geophysical and three-dimensional turbulence / Jorgen S. Frederiksen, Vassili Kitsios, Terence J. O'Kane and Meelis J. Zidikheri. - 10. Model error in data assimilation / John Harlim. - 11. Long-term memory in climate: detection, extreme events, and significance of trends / Armin Bunde and Josef Ludescher. - 12. Fractional stochastic models for heavy tailed, and long-range dependent, fluctuations in physical systems / Nicholas W. Watkins. - 13. Modelling spatial extremes using Max-Stable Processes / Mathieu Ribatet. - 14. Extreme value analysis in dynamical systems: two case studies / Tamás Bódai. - Index.
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  • 6
    Series available for loan
    Series available for loan
    Akureyri : International Arctic Science Committee
    Associated volumes
    Call number: AWI P5-17-90721
    In: IASC ... bulletin, 2017
    Type of Medium: Series available for loan
    Pages: 86 S. , Ill., graph. Darst., Kt.
    ISBN: 978-9935-24155-9
    ISSN: 1654-7594
    Series Statement: IASC Bulletin 2017
    Language: English
    Note: Content: Preface. - 1 IASC Internal Development. - IASC Organization. - IASC Council . - IASC Executive Committee. - IASC Secretariat. - Allen Pope New IASC Executive Secretary. - IASC Secretariat Moves to Iceland. - IASC Future Strategy. - IASC Medal 2017. - 2 IASC Working Groups. - Cross-Cutting Initiatives. - Atmosphere Working Group (AWG). - Cryosphere Working Group (CWG). - Marine Working Group (MWG). - Social and Human Working Group (SHWG). - Terrestrial Working Group (TWG). - 3 Arctic Science Summit Week 2016. - Upcoming ASSWs. - 4 Data and Observations. - Arctic Data Committee (ADC). - Sustaining Arctic Observing Networks (SAON). - 5 Partnerships. - Asian Forum for Polar Sciences (AFoPS). - Arctic Council. - 6 Capacity Building. - IASC Fellowship Program. - Overview of Supported Early Career Scientists. - Annex. - Polar Acronyms.
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  • 7
    Call number: AWI NBM-17-91184
    Description / Table of Contents: The Atlas content is presented by 8 large sections and 39 subsections which present characteristics of the key glaciological regions; there are also two auxiliary subsections: introductory one and the reference part that is indicator of geographical regions. The whole material is placed on the 590 pages of the Atlas. Themes and subjects of the maps are given in a system of three levels which one with corresponding number of base scales and, respectively, the territorial coverage. In addition to a possibility to look through all digital maps, any user can also see original vector layers in the format of shp. files which are saved in decimal degrees .This makes possible to project the data into any view, to design own project, to transform the data into other GIS-formats, to analyze the information together with own or other data with geographical conjunction .
    Type of Medium: Non-book medium
    Pages: 1 CD-ROM
    Language: Russian , English
    Note: In rus. und engl. Sprache , Teilw. in kyrill. Schr.
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  • 8
    Monograph available for loan
    Monograph available for loan
    Radebeul [u.a.] : Neumann
    Call number: AWI E2-17-90920
    Type of Medium: Monograph available for loan
    Pages: 192 S. , Ill. , gr. 8°
    Language: German
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  • 9
    Monograph available for loan
    Monograph available for loan
    Cheltenham : Edward Elgar Publishing Ltd
    Call number: AWI P5-18-91257 ; IASS 18.91435
    Description / Table of Contents: The Arctic is a region that has seen exponential growth as a space of geopolitical interest over the past decade. This insightful book is the first to analyse the European Union’s Arctic policy endeavours of the early 21st Century from a critical geopolitical perspective. Exploring the EU’s decade-long undertaking to construct legitimacy in the Arctic between 2008 and 2017, Andreas Raspotnik investigates whether the EU can figure prominently in the Arctic region as an international actor. This book presents the EU’s interest in the Arctic as a fascinating test case for how the EU aims to assert its policies and values in a neighbouring region. This contemporary and intriguing book will be an invaluable resource for scholars and students of international relations, European studies, geography, and Arctic studies, as well as those on courses relating to international organisations and global/regional politics. It will also appeal to the broader public with an interest in the challenges and opportunities of the Arctic region.
    Type of Medium: Monograph available for loan
    Pages: x, 231 Seiten , Illustrationen
    ISBN: 978-1-78811-208-6 , 9781788112093 (eBook)
    Language: English
    Note: Contents: List of figures and tables. - List of boxes. - Acknowledgements. - List of abbreviations. - PART I INTRODUCTION . - 1. The Geopolitics of an Arctic Meltdown and the Question of EUropean Arctic Space. - PART II GEOPOLITICS. - 2. The Thought Experiment Referred to as Geopolitics. - PART III THE ARCTIC. - 3. Arctic Geopolitics and the Regional Zeitgeist of the Twenty-First Century. - PART IV THE EUROPEAN UNION. - 4. EUropean Dimensions of Arctic Presence. - 5. An Action in the Making: The EU’s Arctic Policy-Making Process. - 6. The EU’s Arctic Space-Making Practices. - PART V CONCLUSION. - 7. A European Geopolitical Subject in the Arctic?. - REFERENCES. - APPENDIX I. - APPENDIX II. - INDEX.
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  • 10
    Call number: AWI G1-17-90940
    Type of Medium: Monograph available for loan
    Pages: XXXI, 475 S. , Ill., Kt., graph. Darst. , 6 Kt.
    Series Statement: Natural History of Central Asia 2
    Language: English
    Note: CONTENTS: PREFACE. - LIST OF PLATES. - LIST OF FIGURES. - PART I. - GENERAL INTRODUCTION. - I. - Geological objectives and methods of the expedition with a review of former explorations. - Introduction. - The approach to Mongolia. - The Gobi Region. - Prehistoric adventure. - Historic travel and modern exploration. - Earlier studies of special significance. - II. - Boundaries of the Gobie Region. - Introduction. - The Northern Boundary. - Northern boundary - western section. - Northern boundary - central section. - Northern boundary - eastern section. - Summary of the Transbaikal border. - The Eastern Boundary. - Summary of the eastern boundary. - The Southern Boundary. - Southern boundary - eastern section. - Southern boundary - central section. - Southern boundary - western section. - The Western Boundary. - PART II. - ROUTE STUDIES OR ITINERARY. - Introduction. - The task of a geological reconnaisance expedition. - Recording observations. - III. - From Kalgan to Iren Dabasu. - Kalgan to Wan Ch'uan Pass. - The lower pass. - Wan Ch'uan basin and the upper pass. - The Pacific divide to P'ang Kiang. - The granite hills of Chakhar. - The P'ang Kiang hollow. - P'ang Kiang to Iren Dabasu. - The first fossils. - IV. - From Iren Dabasu to Urga. - Iren Dabasu to Camp Jurassic. - The structural relations at Camp Jurassic. - Camp Jurassic to Mount Tuerin. - The granites of Mount Tuerin. - Mount Tuerin to Bolkuk Gol. - The Arctic divide. - Observations in the vicinity of Camp Bolkuk Gol. - Course of the Bolkuk Gol. - Glacial evidence in the Gangin Daba. - Ground ice. - Local culture. - Side traverse toward Urga. - Mineral resources. - V. - From Urga to Tsetsenwan Traverse along the Tola River. - The vicinity of five Antelope Camp. - From the Tola River to Tsetsenwan. - The vicinity of Tsetsenwan. - A side traverse north of Tsetsenwan. - The serpent-form dikes. - Contact effects of the granite margin. - Jurassic structural relations. - A side traverse south of Tsetsenwan. - VI. - From Tsetsenwan to Sain Noin and the Arctic divide. - Wastward from Tsetsenwan. - The vicinity of Camp Canyon Brook. - From Camp Canyon Brook to the Ongin Gol. - Rock-bound hollows. - Continuation of the traverse. - The Ongin Gol. - From the Ongin Gol to Sain Noin. - The vicinity of Sain Noin. - From Rainy Gulch to the Arctic Divide. - A step across the divide. - VII. - From the hot springs of Sain Noin to Mount Uskuk. - Arishan to Gorida. - The Gorida basin. - The old Uliassutai trail. - Old Uliassutai Trail to Mount Uskuk. - The saltpan of Guchu Burt. - Ondai Sair. - VII. - The return journey from Tsagan Nor to Artsa Bogdo. - Choosing a route. - Tsagan Nor to the volcanic cliffs. - Desert hollows. - Volcanic cliffs to Artsa Bogdo. - North Margin of Artsa Bogdo. - Picture writings. - IX. - From Artsa Bogdo to Sair Usu. - Artsa Bogdo to Djadokhta. - The flaming cliffs of Djadokhta. - Djadokhta to Ongin Gol in Sumu. - Ongin Gol in Sumu. - Ongin Gol to Sair Usu. - X. - From Sair Usu to Kalgan. - Palaeozoic strata. - Continuation of traverse to Ardyn Obo. - Sediments of Ardyn Obo. - Ardyn Obo to Shara Murun. - Palaeozoic strata of Jisu Honguer. - Tertiary sediments of Shara Murun. - Shara Murun to Kalgan. - Chinese settlements. - The return to Kalgan. - PART III. - SPECIAL AND LOCALITY STUDIES. - Introduction. - Method of Mapping. - XI. - Eren Dabasu and Irdin Manha. - Introduction. - General aspect and larger relations of the basin. - Origin of the hollow at Iren Dabasu. - General Rock structure. - The Iren Dabasu formation. - Variegated Tertiary beds. - The Houldjin formation. - The Arshanto and Irdin Manha formations. - Shara Murun. - Age and correlation. - XII. - Arishan, the sacred mountain of Sain Noin. - Introduction. - Features of the locality. - Geological formations. - Graywacke series. - The granite. - The Jurassic formation. - Special products. - Structural features. - The spring waters and their origin. - XIII. - Mount Uskuk and the Tsagan Nor Basin. - Principal structural features. - The rock formations. - Rocks of the ancient floor. - The crystalline metamorphics. - The graywacke series. - Bathylithic granite. - Jurassic strata. - Post-Jurassic intrusives. - Rocks of the sedimentary cover. - Cretaceous strata. - Fossil content. - Tertiary strata. - Fossil content. - Former extent of later sediments. - Evidence of the faulted margins. - Evidence of the sedimentary remnants. - Evidence of the basalt remnants. - Evidence of planation. - Erosional history of the south block of Uskuk. - Deformation of the Mount Uskuk region. - The Saltpan of Guchu Burt. - Tsagan Nor. - XIV. - The Gurbun Saikhan Ranges. - The journey. - A desert well. - The return journey. - Geological observations at Artsa Bogdo. - The south.basin. - Approach to the Gurbun Saikhan. - The formations of the Gurbun Saikhan. - Ancient rocks. - Limestones. - Serpentine. - Graywacke-slate series. - Topographic character of the Gurbun Saikhan. - XV. - Artsa Bogdo and Oshih. - The Artsa Bogdo Mountain Block. - The marginal shelf. - History of the shelf. - Rock formations of the mountain. - Ancient meta-crystallines and intrusives. - Folded sediments and associated eruptives. - Later igneous rocks. - Tectonic features. - Traces of former sedimentary cover. - Topographic features. - Stream pattern. - Glaciation. - The Oshih Hollow. - Features of the locality. - The geologic column. - XVI. - Problems and areas deserving special study. - Introduction. - Sedimentary basins and potential fossil fields. - The area of the great pass. - P'ang Kiang. - The paper-shales of mile 299. - The flaming cliffs of Uskuk. - Oshih (Ashile) basin. - Djadokhta. - Ardyn Obo. - Shara Muraci. - Ulan Nor. - The badlands of the Ongin Gol. - Structural and historical problems. - The Camp Jurassic area. - The crystalline upland east of the Ongin Gol. - The transition country of Gangin Daba. - Sair Usu. - Los in Sumu. - Jisu Honguer. - Genral problems. - PART IV. - SUMMARIES AND DISCUSSIONS. - Introduction. - XVII. - Structural elements of the Oldrock floor. - Two major divisions. - Subdivision of the Oldrock floor. - Mesozoic intrusives. - Jurassic sediments. - Paloeozoic strata. - The great Mongolian bathylith. - The Khangai graywacke series. - The ancient crystalline complex. - The Wu T'ai system. - The T'ai Shan complex. - XVIII. - Surface features and their origin. - Basins and mountains. - The basin of Mongolia. - Deserts in general. - The shaping processes. - Major subdivisions of the Mongolian Basin. - Talas of the eastern and southern province. - The western faulted talas. - Mountains. - Fault-block mountains of the Altai type. - Ikhe Bogdo. - Baga Bogdo. - Artsa Bogdo. - Gurbun Saikhan. - The mountains of the eastern province. - Volcanic mountains. - The structure lines of Mongolia. - XIX. - Surface features and their origin (continued). - Plateaus, plains and flatlands. - Introduction - the level lands of the desert. - Agencies which carve the erosion plane. - Erosion by wind. - Rainfall. - Drainage. - Immigrant streams. - Native streams. - Erosive work of running water. - The Piedmont Slope. - The Gobi erosion plane. - Original slopes of the erosion plane. - Deformation of the Gobi surface. - Deposits on the Gobi upland. - Redissection of the Gobi erosion plane. - Summary of the Gobi erosion plane. - Desert Hollows. - The older Peneplanes. - The pre-Cretaceous peneplane. - The Mongolian peneplane. - The Khangai peneplane. - Relations of the Khangai and Mongolian peneplanes . - Relations of the Mongolian peneplane and the Gobi erosion plane. - Relations between the Gobi erosion plane and the lowlands of the P'ang Kiang stage. - Comparison of peneplanes with those of surrounding regions. -
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  • 11
    Monograph available for loan
    Monograph available for loan
    Chichester, UK : John Wiley & Sons
    Call number: AWI A4-18-91479
    Type of Medium: Monograph available for loan
    Pages: xii, 652 Seiten , Illustrationen, graphische Darstellungen, Karten
    Edition: Third edition
    ISBN: 1118778383 (print) , 9781118778388 (print) , 1118778375 (print) , 9781118778371 (print) , 1118778359 (print) , 9781118778357 (print)
    Language: English
    Note: Contents: List of contributors. - Preface. - 1 Overview of sea ice growth and properties / Chris Petrich & Hajo Eicken. - 2 Sea ice thickness distribution / Christian Haas. - 3 Snow in the sea-ice system : friend or foe? / Matthew Sturm & Robert A. Massom. - 4 Sea ice and sunlight / Donald K. Perovich. - 5 The sea ice-ocean boundary layer / Miles G. McPhee. - 6 The atmosphere over sea ice / Ola Persson & Timo Vihma. - 7 Sea ice and arctic ocean oceanography / Finlo Cottier, Mike Steele & Frank Nielsen. - 8 Oceanography and sea ice in the southern ocean / Michael P. Meredith & Mark A. Brandon. - 9 Methods of satellite remote sensing of sea ice / Gunnar Spreen & Stefan Kern. - 10 Gaining (and losing) antarctic sea ice : variability, trends and mechanisms / Sharon Stammerjohn & Ted Maksym. - 11 Losing arctic sea ice : observations of the recent decline and the long-term context / Walt N. Meier. - 12 Sea ice in earth system models / Dirk Notz & Cecilia M. Bitz. - 13 Sea ice as a habitat for bacteria, archaea and viruses / Jody W. Deming & R. Eric Collins. - 14 Sea ice as a habitat for primary producers / Kevin R. Arrigo. - 15 Sea ice as a habitat for micrograzers / David A. Caron, Rebecca J. Gast & Marie-Eve Garneau. - 16 Sea ice as a habitat for macrograzers / Bodil A. Bluhm, Kerrie M. Swadling & Rolf Gradinger. - 17 Nutrients, dissolved organic matter and exopolymers in sea ice / Klaus M. Meiners & Christine Michel. - 18 Gases in sea ice / Jean-Louis Tison, Bruno Delille & Stathys Papadimitriou. - 19 Transport and transformation of contaminants in sea ice / Feiyue Wang, Monika Pucko & Gary Stern. - 20 Numerical models of sea ice biogeochemistry / Martin Vancoppenolla & Letizia Tedesco. - 21 Arctic marine mammals and sea ice / Kristin L. Laidre & Eric V. Regehr. - 22 Antarctic marine mammals and sea ice / Marthán N. Bester, Horst Bornemann & Trevor McIntyre. - 23 A feathered perspective : the influence of sea ice on arctic marine birds / Nina J. Karnovsky & Maria V. Gavrilo. - 24 Birds and antarctic sea ice / David Ainley, Eric J. Woehler & Amelie Lescroel. - 25 Sea ice is our beautiful garden : indigenous perspectives on sea ice of sea ice in the arctic / Henry P. Huntington, Shari Gearheard, Lene Kielsen Holm, George Noongwook, Margaret Opie & Joelie Sanguya. - 26 Advances in palaeo sea-ice estimation / Leanne Armand, Alexander Ferry & Amy Leventer. - 27 Ice in subarctic seas / Hermanni Kaartokallio, Mats A. Granskog, Harri Kuosa & Jouni Vainio. - Index.
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  • 12
    Call number: AWI Bio-18-91483
    Type of Medium: Monograph available for loan
    Pages: 639 Seiten , Illustrationen
    Edition: 12. Auflage
    Language: German
    Note: Inhalt: Vorwort. - Einleitung. - Der Bau der Pflanzen. - Wurzel. - Sproßachse. - Blatt. - Anhangsgebilde an Sproßachsen und Blättern. - Oberfläche von Sproßachsen, Blättern, Blütenhüllen, Früchten und Samen. - Blütenstand. - Blüte. - Frucht. - Samen. - Besondere Bezeichnungen bei Gefäß-Sporenpflanzen. - Die Biologie der Pflanzen. - Lebensdauer. - Lebensformen. - Bestäubung. - Verbreitung der Samen; Früchte und Sporen. - Die Geographie der Pflanzen. - Übersicht über die wichtigsten Gruppen der Pflanzengesellschaften. - Ordnung und Benennung der Pflanzen. - Geschützte Pflanzen. - Anleitung zum Bestimmen. - Tabellen zum Bestimmen. - Tabelle zum Bestimmen der Hauptgruppen. - Tabelle I Pflanzen ohne Blüten (Sporenpflanzen). - Tabelle II Nacktsamige Pflanzen. - Tabelle III Einkeimblättrige Pflanzen. - Tabelle IV Zweikeimblättrige Pflanzen mit einfacher oder fehlender Blütenhülle. - Tabelle V Zweikeimblättrige Pflanzen mit freien Kronblättern. - Tabelle VI Zweikeimblättrige Pflanzen mit verwachsenen Kronblättern. - Tabelle VII Bäume und Sträucher. - Tabelle VIII Tauch- und Schwimmpflanzen. - Tabelle IX Pflanzen zur Blütezeit ohne grüne Blätter. - Abteilung Gefäß-Sporenpflanzen - Pteridophyta. - Abteilung Samenpflanzen - Spermatophyta. - Anhang. - Autorenverzeichnis. - Übersicht über das System. - Register der deutschen Pflanzennamen. - Register der wissenschaftlichen Pflanzennamen. - Erklärung der Abkürzungen auf den Vorsatzblättern.
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  • 13
    Call number: AWI G3-18-91403
    In: Hamburger Beiträge zur physischen Geographie und Landschaftsökologie, Heft 23
    Type of Medium: Series available for loan
    Pages: xiv, 284 Seiten , Illustrationen, Karten
    Series Statement: Hamburger Beiträge zur physischen Geographie und Landschaftsökologie 23
    Language: German
    Note: Inhaltsverzeichnis Lyngen-Alpen und Bergland von Kåfjord und Storfjord / Karl-Dieter Meier. - Bemerkungen zur glaziären und periglaziären Landschaftsformung in den Lyngen-Alpen (Lyngen Halbinsel) und im Bergland von Kåfjord und Storfjord, Norwegisch Lappland, mit ausgewählten themenbezogenen Wanderexkursionen. - 1. Einführung. - 2. Physiogeographische Charakteristik der Lyngen-Alpen und des Berglandes von Kåfjord und Storfjord. - 2.1. Relief. - 2.2. Geologisch-tektonischer Bau, Festgesteine. - 2.3. Lockersedimente. - 2.4. Klima. - 2.5. Vegetation. - 3. Glaziäre Formung. - 3.1. Vergletscherungsgeschichte bis zur "Kleinen Eiszeit". - 3.2. Neuzeitliche Vergletscherung und aktuelle Gletscherdynamik. - 3.3. Zusammenhänge zwischen Gletscher- und Klimaschwankungen. - 4. Periglaziäre Formung. - 4.1. Permafrosterscheinungen und -indikatoren. - 4.2. Räumliche Verbreitung des Permafrostbodens. - 4.3. Periglaziäre Formen und Ablagerungen (ohne Permafrostboden). - 4.3.1. Blockfelder. - 4.3 .2. Sturzschutthalden und -kegel. - 4.3.3. Gelisolifluktionserscheinungen und -formen. - 4.3.4. Frostmusterböden. - 5. Exkursionsvorschläge zur glaziären und periglaziären Landschaftsformung. - 5.1. Anfahrt und Logistik. - 5.2. Fahrstrecken und Wanderexkursionen. - 5.2.1. Fornesdal - Rypedalsvatn (ca. 20 km). - 5.2.2. Fugldal - Fugldalsvatn (ca. 12 km). - 5.2.3. Goverdal - Sörvestbre- Rundvatn (ca. 17 km). - 5.2.4. Slettmo- Sörellendal (ca. 12 km). - 5.2.5. Steindal- Nallannjunni - Steindalsbre (ca. 15 km). - 5.2.6. Lyngsdal - Dalbotn - Vest- / Midt- / Sydbre (ca. 20 km). - 5.2.7. Koppangsdal - Koppangsbre (ca. 6 km). - 5.2.8. Tyttebaerdal - Brevatn - Stortinddalsbre (ca. 20 km). - 5.2.9. Bensnes - Trollvatn (ca. 10 km). - 5.2.10. Sörlenangsbotn - unteres Strupskarddal - Blåvatn- oberes Strupskarddal - Strupvatn - Strupbre (ca. 24 km). - 5.2.11. Veidal - Olderelvvatn - Veidalsvatn (ca. 12 km). - 5.2.12. Indre Nordmannvika - Nordmannvikdal - Nordmannviktind (See 549 m ü. Mo) - Jovnnacahca- Sannjariehppi - Gauknes - Kippeldal (ca. 23 km). - 5.2.13. Skarvdal - Kopperlia - Bievlajavri - Moldojokkadal - Bievlavarri ( ca. 22 km). - 6. Ergebnisse, Schlussfolgerungen und Ausblick. - 7. Literaturverzeichnis. - 8. Kartenverzeichnis. - 8.1. Quartärgeologische Karten. - 8.2. Karten der Festgesteine. - 8.3. Topographische Karten. - 9. Luftbildverzeichnis. , Inhaltsverzeichnis westliche Finnmarksvidda / Karl-Dieter Meier und Dietbert Thannheiser. - Eine Exkursion zur kaltklimatischen quartären Landschaftsformung auf der westlichen Finnmarksvidda, Norwegisch Lappland. - 1. Einführung. - 2. Physiogeographische Charakteristik. - 2.1. Relief und Gewässernetz. - 2.2. Geologisch-tektonischer Bau und Lockersedimente. - 2.3. Klima und Permafrostboden. - 2.4. Vegetation und Böden. - 3. Exkursion über die Finnmarksvidda-Hochfläche. - 3.1. Wissenschaftlicher Hintergrund. - 3.2. Streckenverlauf und Logistik. - 3.3. Streckenbeschreibung. - 3.3.1. Alta - Skillemo. - 3.3.2. Skillemo - Gargia - Beskades - Solovorni. - 3.3.3. Skillemo - Trangdalen - Avzejavri - Solovorni (Alternativstrecke). - 3.3.4. Solovorni - Masi. - 3.3.5. Masi - Gievdneguoika. - 3.3.6. Gievdneguoika - Kautokeino. - 3.3.7. Kautokeino - Avze - Kivijärvi. - 4. Schlussfolgerungen. - 5. Literatur. - 6. Geologische und geomorphologische Karten. - 7. Topographische Karten.
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  • 14
    Monograph available for loan
    Monograph available for loan
    Bonn : Bundesministerium für Bildung und Forschung (BMBF), Referat System Erde
    Call number: AWI P1-18-91711
    Type of Medium: Monograph available for loan
    Pages: 38 Seiten , Illustrationen
    Edition: Stand: Mai 2016 (unveränderter Nachdruck Januar 2017)
    Language: German
    Note: Inhaltsverzeichnis: Vorwort. - 1. Einführung. - 2. Herausforderungen an die Küsten-, Meeres- und Polarforschung. - 3. Politischer und programmatischer Rahmen. - 4. Internationale Einbindung der Küsten-, Meeres- und Polarforschung. - 5. Agendaprozesse in der Küsten-, Meeres- und Polarforschung. - 6. Programmstruktur. - 7. Wissenschaftliches Programm. - 7.1 Globaler Wandel und Klima geschehen. - 7.2 Ökosystemfunktion und Biodiversität. - 7.3 Globale Stoffkreisläufe und Energieflüsse. - 7.4 Umgang mit Naturgefahren. - 7.5 Nachhaltige Ressourcennutzung. - 7.6 Governance und Partizipation. - 8. Forschungsinfrastrukturen. - 8.1 Forschungsflotte und Großgeräte. - 8.2 Mess- und Beobachtungstechnik. - 8.3 Daten- und Informationsinfrastrukturen. - 8.4 Modellierungsinfrastruktur. - 9. Innovative Technologien. - 10. Umsetzung des Forschungsprogramms. - 10.1 Zuwendungsgeber, Projektstruktur und Förderhöhe. - 10.2 Auswahlverfahren und Förderbestimmungen. - 10.3 Evaluation. - 11. Weitere Informationen und Ansprechpartner. - Impressum.
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  • 15
    Monograph available for loan
    Monograph available for loan
    København : Gyldendal
    Call number: AWI P8-18-91728
    Type of Medium: Monograph available for loan
    Pages: 230 Seiten , Illustrationen, Karten , 30 x 31 cm
    Edition: First edition, first print
    ISBN: 978-87-02-20964-8
    Language: German
    Note: Contents: Introduction. - A changing climate. - The emerging land. - The frozen past. - From ice to sea. - Plant adaptation. - Land of contrasts. - Sheep farming - now and in the future. - Methane in the Arctic. , Parallel texts in Danish and English
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  • 16
    Monograph available for loan
    Monograph available for loan
    New Delhi : Amerind Publishing
    Call number: AWI G2-18-91897
    Description / Table of Contents: This publication is concerned with problems of the origin, evolution and paleogeography of the Arctic Ocean and its coast during the Tertiary and Quaternary periods. Much emphasis is placed on the evolution of modern Arctic flora and fauna, both terrestrial and aquatic. All these problems are discussed on the basis of hydrological, paleontological, biogeographical, climatological and archaeological data presented at the AII-Union symposium held in Leningrad during April 1-6, 1968. This is a unique encyclopedia on the Arctic. lt will be of interest to many research workers - geographers, geologists, biologists, hydrologists and all who deal with problems of the geological history and paleogeography of the Northern Hemisphere.
    Type of Medium: Monograph available for loan
    Pages: XIV, 564 Seiten , Illustrationen
    Uniform Title: Severnyi Ledovityi Okean i Ego Poberezh'e v Kainozoe
    Language: English
    Note: Contents: PREFACE. - SECTION I. HISTORY OF THE ARCTIC OCEAN IN THE CENOZOIC ERA. - Linear and Areal Morphostructures of the Arctic Ocean Floor / V. D. Dibner. - Fluctuations in Arctic Climate as Revealed by Floor Sediment Analysis / N. A. Belov, N. N. Lapina. - Stratification and Rate of Accumulation of Floor Sediments of the Soviet Arctic Seas / N. N. Kulikov, N. N. Lapina, Yu. P. Semenov, N. A. Belov, M. A. Spiridonov. - Palynologic Study of Kara Sea Floor Sediment Cores / N. N. Kulikov, R. M. Khitrova. - Geologic Structure of the Glacial Shelves of the Atlantic Province of the Arctic Basin / M. A. Spiridonov. - Stratigraphy and Paleogeography of Spitsbergen in the Pleistocene / Yu. A. Lavrushin. - Role of Glaciers in Franz Josef Land Relief Formation / V. L. Sukhodrovskii. - Reconstruction of the Late- and Post-Pleistocene Arctic Basin Ice Sheet / P. M. Borisov. - Changes in the Arctic Basin since the Last Glaciation Maximum / D. P. Chizhov. - SECTION II. ARCTIC FLORA AND FAUNA AND THE HISTORY OF THEIR FORMATION. - Some Problems of Study of the Early Cenophytic Arctic Flora / L. Yu. Budantsev. - Arctic Flora and Its Historical Link with the Arctic Ocean / A. I. Tolmachev, B. A. Yurtsev. - Wide Fluctuations in Ocean Level in the Quaternary period and Their Influence on the Arctic Ocean Basin and its biological community / G. U. Lindberg. - Fresh Data on the Food of the Siberian Woolly Rhinoceros / V. E. Garutt, E. P. Meteltseva, B. A. Tikhomirov. - Characteristics of the Arctic Ocean Fauna and their significance for understanding the History of its formation / E. F. Guryanova. - Formation of macroscopic marine algal flora of the Arctic Basin / A. D. Zinova, Yu. E. Petrov. - The Concept of the Arctic origin of Pinnipeds and other solutions of this problem / K. K. Chapskii. - Ecological Adaptations of Pinnipeds in the Atlantic Province of the Polar Basin / V. A. Potelov, Yu. K. Timoshenko. - A General Review of th PIeistocene Marine Faunas of the Northern Coast of Eurasia / S. L. Troitskii. - History of the Evolution of Marine Mollusk Fauna of the Late Cenozoic Atlantic Arctic / V. S. Zarkhidze. - Late Cenozoic History of Foraminifera of the Pechora Lowland and Northern West Siberia / O. F. Baranovskaya, V. Ya. Slobodin. - Species composition of Modern Foraminifera as an Indication of the Arctic Sea's hydrological regime / S. V. Tamanova. - SECTION Ill. PALEOGEOGRAPHY OF THE NORTHERN TERRITORIES IN THE LATE CENOZOIC ERA. - Paleogeography of Northern USSR and contiguous areas of the Arctic Basin / G. S. Ganeshin. - North Eurasia in the Late Cenozoic Era / Yu. P. Degtyarenko, V. V. Zhukov, N. G. Zagorskaya, O. A. Ivanov, V. I. Kaiyalainen, Yu. N. Kulakov, A. P. Puminov, V. Ya. Slobodin, O. V. Suzdalskii. - On the History of the Migration of the Arctic Basin Shoreline in the Cenozoic Era / S. A. Strelkov. - Causes of Fluctuations in the Arctic Basin Level in the Neogene-Quaternary Period / J. L. Kuzin. - Spore-Pollen Analysis of Late Cenozoic Marine Sediments in the Reconstruction of the Paleogeography of the Arctic Coasts / N. G. Zagorskaya, F. M. Levina. - Forest Line Migration in North Asia in the Upper Pleistocene and Holocene (Based on Spore-Pollen Analysis) / R. E. Giterman, L. V. Golubeva, E. V. Koreneva, L. A. Skiba. - Holocene Transgressions and Variations in the Northern Coastline of the Kola Peninsula / B. I. Koshechkin, A. L. Kudlaeva. - Interpretation of Radiocarbon Datings of the Absolute Age of Organic Residues from the Upper Anthropogene Deposits of Fennoscandia / V. G. Chuvardinskii. - Structure and Stratigraphic Division of White Sea Bottom Deposits / V. S. Medvedev, E. N. Nevesskii, L. I. Govberg, E. S. Malyasova, R. N. Dzhinoridze, E. A. Kirienko. - Principal Stages in the History of the Vegetation of the Dvina Bay Coast of the White Sea during the Late- and Postglacial Transgression / E. S. Pleshivtseva. - Quaternary Transgressions in the Northern Russian Plain and Their Relationship with Continental Glaciations / E. N. Bylinskii. - Anthropogene Deposit-Forming Environments on Kolguev Island / O. F. Baranovskaya, T. A. Matveeva. - Cenozoic History of the Northern Coast of Europe / V. S. Zarkhidze. - Stages of Formation of the Southern Part of the Arctic Basin in Timan-Pechora Province in the Late Cenozoic Era / O. F. Baranovskaya, P. N. Safronov, G. N. Berdovskaya. - Pliocene-Pleistocene History of the Pechora Basin / V. L. Yakhimovich. - Paleogeography and Origin of Cenozoic Rocks in Soviet Europe as Revealed by Hydrochemical Data / V. D. Bezrodnov. - Study of Paleogeography and Neotectonics of Some Regions of the European Northeast by Coal Petrography / Yu. V. Stepanov. - History of the Formation of Arctic Shelf Foraminifer Fauna (Based on Data on the Timan-Ural Region) / I. N. Semenov. - Evolution of Pleistocene Marine Diatom Flora in the Northeast of Soviet Europe / E. I. Loseva. - Quaternary Deposits of the Middle Pechora and Vychegda River Basins / A. S. Lavrov. - Late Pleistocene Terraces in the Northeast of Soviet Europe and the Environments in which They were Formed / L. M. Potapenko, A. S. Lavrov. - Key Sections of the Lower Pechora and Their Importance for an Understanding of the Last Stages of the Geological Evolution of Northeastern Soviet Europe / V. S. Zarkhidze, I. I. Krasnov, M. A. Spiridonov, Yu. A. Lavrushin, I. I. Ryumina. - Siberian Elements in the Flora of the Far Northeast of Europe and Their Origin / O. V. Rebristaya. - Some Geographical Relationships of Ural Floras and Their Importance for Paleogeography / K. N. lgoshina. - Ostracod Complexes from the Late Cenozoic Marine Deposits of Northern Soviet Europe and West Siberia and Their Importance for Paleogeography / O. M. Lev. - Paleogeography of the Northern West Siberian Lowland and Russian Plain in the Late Pleistocene and Holocene / M. G. Kipiani, A. D. Kolbutov. - Mammals and Landscapes of the Northern Urals in the Late Anthropogene / I. E. Kuzmina. - Pleistocene Transgressions in Northern West Siberia and the Pechora Lowland / I. D. Danilov. - Salient Paleogeographic Features of the Pechora Lowland and Lower Ob Basin in the Neogene Epoch / P. P. Generalov, I. L. Kuzin, I. L. Zaionts, R. B. Krapivner. - Some Problems of the Quaternary Geology of Northern Soviet Europe and West Siberia / A. G. Kostyaev. - Northern West Siberia in the Pliocene and Pleistocene / O. V. Suzdalskii. - Boreal Transgressions and the Origin of Subsurface Sheet Ice Deposits / B. I. Vtyurin. - Dependence of Certain Types of Subsurface Glaciation in West Siberia on the Peculiarities of the Polar Sea / A .I. Popov. - History of Subsurface Freezing in West Siberia in the Light of Transgression of the Arctic Basin / V. V. Baulin. - New Data on the History of the Evolution of the Pre-Kazantseva and Kazantseva Vegetation in the Muzhi Urals and Southern Yamal (Based on Palynological Data) / E. E. Gurtovaya. - New Data on the Distribution of Recent Marine Deposits in West Siberia / I. L. Zaionts, Z. I. Kholodova. - Pleistocene Diatom Floras of the Yenisei North / Z. V. Aleshinskaya. - Some Upper Cenozoic Stratotypes of the Ust-Yenisei Depression / V. Ya. Slobodin. - Transgressions of the Arctic Basin and Evolution of the Yenisei North in the Pleistocene (Absolute Chronology of Events by 14C Dating) / N. V. Kind, L. D. Sulerzhitskii. - Kargin Diatoms from the Key Section of the Lower Yenisei / N. A. Khalfina. - Spread of Late Cenozoic Transgressions of the Arctic Basin in the Northwestern Central Siberian Tableland / V. D. Kryukov, V. V. Rogozhin. - Paleogeography of Northeastern Taimyr in the Quaternary Period (Based on Geological and Palynological Data) / G. N. Berdovskaya, N. A. Gei, V. M. Makeev. - Emergence and Development of Pleistocene Landscapes in the Eastern North Siberian Lowland / V. V. Zhukov, N. A. Pervuninskaya, L. Ya. Pinchuk. - History of Relief Formation in the Eastern North Siberian Lowland and the Adjoi
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  • 17
    Monograph available for loan
    Monograph available for loan
    Köln : Carl Heymanns Verlag
    Call number: AWI S5-19-92101
    Type of Medium: Monograph available for loan
    Pages: XXI, 311 Seiten , Illustrationen
    ISBN: 9783452291295 , 3452291294
    Language: German
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  • 18
    Call number: AWI P5-18-91710
    Type of Medium: Monograph available for loan
    Pages: 24 S. , Ill.
    Edition: Stand: September 2015
    Language: German
    Note: Inhaltsverzeichnis: Vorwort. - Einleitung. - 1. Strategische Ziele der Arktisforschung. - 2. Die zentralen Fragen der Arktisforschung. - 2.1. Vergangenheit, Gegenwart und Zukunft des Klimawandels in der Arktis. - 2.2. Beitrag des grönländischen Inlandeises zur Meeresspiegelerhöhung. - 2.3. Rückgang des arktischen Meereises. - 2.4. Permafrost und Gashydrate als unbekannte Größen im Klimasystem. - 2.5. Anpassung polarer Organismen an die arktische Umwelt im Wandel. - 2.6. Chancen und Risiken zunehmender wirtschaftlicher Nutzung der Arktis. - 3. Stand der deutschen Polarforschung. - 3.1. Partner der deutschen Arktisforschung. - 3.2. Regionale Schwerpunkte der deutschen Arktisforschung. - 3.3. Positionierung im internationalen Umfeld. - 4. Umsetzung der Arktisforschungsstrategie. - 4.1. Forschung für Nachhaltigkeit. - 4.2. Wissenstransfer in die Gesellschaft. - 4.3. Technologietransfer. - 4.4. Nachwuchsförderung. - Anmerkungen. - Impressum.
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  • 19
    Call number: AWI S5-18-91741
    Type of Medium: Monograph available for loan
    Pages: xcix, 2868 Seiten
    Edition: 10., vollständig überarbeitete und erweiterte Auflage
    ISBN: 9783452282750 (238.00 EUR)
    Series Statement: Heymanns Kommentare zum gewerblichen Rechtsschutz
    Language: German
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  • 20
    Call number: AWI G3-19-92460
    Description / Table of Contents: The Yukon Coast in Canada is an ice-rich permafrost coast and highly sensitive to changing environmental conditions. Retrogressive thaw slumps are a common thermoerosion feature along this coast, and develop through the thawing of exposed ice-rich permafrost on slopes and removal of accumulating debris. They contribute large amounts of sediment, including organic carbon and nitrogen, to the nearshore zone. The objective of this study was to 1) identify the climatic and geomorphological drivers of sediment-meltwater release, 2) quantify the amount of released meltwater, sediment, organic carbon and nitrogen, and 3) project the evolution of sediment-meltwater release of retrogressive thaw slumps in a changing future climate. The analysis is based on data collected over 18 days in July 2013 and 18 days in August 2012. A cut-throat flume was set up in the main sediment-meltwater channel of the largest retrogressive thaw slump on Herschel Island. In addition, two weather stations, one on top of the undisturbed tundra and one on the…
    Type of Medium: Monograph available for loan
    Pages: 163 Seiten , Illustrationen, Diagramme
    Language: English
    Note: Table of Contents Abstract Kurzfassung Abbreviations and nomenclature 1. Introduction 2. Scientific Background 2.1. Permafrost 2.2.Retrogressive Thaw Slumps 2.3. Inputs of Freshwater, Sediment and Carbon into the Canadian Beaufort Sea 3. Study Area 3.1. Regional Setting: Yukon Coast and Herschel Island 3.2. Retrogressive Thaw Slumps 4. Material and Methods 4.1. Field Work 4.1.1. Terrain Photography 4.1.2. Differential Global Positioning System (DGPS) 4.1.3. Light Detection And Ranging (LiDAR) and Digital Elevation Model (DEM) 4.1.4. Micrometeorology 4.1.5. Discharge Measurement 4.1.6. Multiple Regression-Statistical Relationships between Micrometeorological Variables and Discharge 4.1.7. Sampling 4.2. Laboratory Analyses 4.2.1. Sedimentological Analyses 4.2.2. Hydrochemical Analyses 4.3. Fluxes of Sediment and (In-) Organic Matter 5. Results 5.1. Field Work 5.1.1. Terrain Photography 5.1.2. Differential Global Positioning System (DGPS) 5.1.3. Light Detecting And Ranging (LiDAR) and Digital Elevation Model (DEM) 5.1.4. Micrometeorology 5.1.5. Discharge 5.1.6. Multiple Regression - Statistical Relationships between Micrometeorology and Discharge 5.2. Laboratory Analyses 5.2.1. Sedimentological Analyses 5.2.2. Hydrochemical Analyses 5.3. Fluxes of Sediment-meltwater 6. Discussion 6.1. Microclimatological and Geomorphological Factors Controlling Discharge 6.1.1. Diurnal Variations 6.1.2. Seasonal Variations 6.2. Contribution of Retrogressive Thaw Slumps to the Sediment Budget of the Yukon Coast 6.2.1. Origin of Outflow Material 6.2.2. Slump D in the Regional Context 6.2.3. Seasonal Sediment Budget Compilation for Slump D 6.2.4. Retrogressive Thaw Slump Occurrence along the Yukon Coast 6.2.5. Input to the Beaufort Sea 6.3. Projected Climatic Change and its Impact on Retrogressive Thaw Slump Outflow 6.4. Uncertainties and Limitations 6.5. Future Research 7. Conclusion 8. Appendix 8.1. Field Work 8.1.1. Slump D's northern headwall profile 8.1.2. Collinson Head slump 8.1.3. Herschel Island West Coast slump 8.1.4. Roland Bay slump 8.1.5. Kay Point slump 8.2. Laboratory Work 8.2.1. Volumetric Ice Content 8.2.2. Grain Size 8.3. Evolution of Slump D 8.3.1. Geo Eye satellite of Slump D 8.3.2. Aerial Oblique Photography of Slump D 8.3.3. LiDAR of Slump D 8.3.4. Time Lapse Photography of Slump D's Headwall 9. References 10. Financial and technical support 11. Acknowledgement - Danksagung
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  • 21
    Call number: AWI G6-19-92461
    Type of Medium: Dissertations
    Pages: XVI, 203 Seiten , Illustrationen, Diagramme
    Language: English
    Note: Dissertation, Universität Potsdam, 2019 , Table of contents Abstract Zusammenfassung Abbreviations 1 Introduction 1.1 Scientific background 1.1.1 Permafrost in the Northern Hemisphere 1.1.2 The permafrost carbon climate feedback 1.1.3 Rapidly changing, deep permafrost environments 1.2 Aims of this dissertation 1.3 Investigated study areas 1.4 Basic method overview 1.4.1 Field work in the Arctic 1.4.2 Laboratory procedure 1.4.3 Analysis ofl andscape-scale carbon and nitrogen stocks 1.5 Thesis organization 1.6 Overview of publications 1.6.1 Publication#1 - Yedoma landscape publication 1.6.2 Publication#2 - Thermokarst lake sequence publication 1.6.3 Publication#3 - North Alaska Arctic river delta publication 1.6.4 Extended Abstract - Western Alaska river delta study 1.6.5 Appendices - Supplementary material and paper in preparation II Carbon and nitrogen pools in thermokarst-affected permafrost landscapes in Arctic Siberia 2.1 Abstract 2.2 Introduction 2.3 Material and methods 2.3.1 Study area 2.3.2 Field Work 2.3.3 Laboratory analysis 2.3.4 Landform classification and upscaling C and N pools 2.4 Results 2.4.1 Sedimentological results 2.4.2 Sampling site SOC and N stocks 2.4.3 Upscaling: Landscape SOC and N stocks 2.4.4 Radiocarbon dates 2.5 Discussion 2.5.1 Site specific soil organic C and N stock characteristics 2.5.2 Upscaling of C and N pools 2.5.3 Sediment and organic C accumulation rates 2.5.4 Characterizing soil organic carbon 2.5.5 The fate of organic carbon in thermokarst-affected yedoma in Siberia 2.6 Conclusions III Impacts of successive thermokarst lake stages on soil organic matter, Arctic Alaska 3.1 Abstract 3.2 Plain language summary 3.3 Introduction 3.4 Study site 3.5 Methods 3.5.1 Core collection 3.5.2 Biogeochemical analyses 3.5.3 Study area OC and N calculation 3.6 Results 3.6.1 Biogeochemistry 3.6.2 Sediment organic carbon and nitrogen stocks 3.6.3 Radiocarbon dates and carbon accumulation rates 3.6.4 Landscape C and N budget 3.7 Discussion 3.7.1 Impact of thermokarst lake dynamics on organic matter storage 3.7.2 High organic C and N stocks on the ACP 3.7.3 Landscape chronology 3.7.4 Organic matter accumulation 3.7.5 Future development 3.8 Conclusions IV Sedimentary and geochemical characteristics of two small permafrost-dominated Arctic river deltas in northern Alaska 4.1 Abstract 4.2 Introduction 4.3 Study area 4.4 Material and Methods 4.4.1 Soil organic carbon and soil nitrogen storage 4.4.2 Radiocarbon dating and organic carbon accumulation rates 4.4.3 Grain size distribution 4.4.4 Scaling carbon and nitrogen contents to landscape level 4.5 Results 4.5.1 Carbon and nitrogen contents 4.5.2 Radiocarbon dates and accumulation rates 4.5.3 Grain size distribution 4.5.4 Arctic river delta carbon and nitrogen storage 4.6. Discussion 4.6.1 Significance of carbon and nitrogen stocks in Arctic river deltas 4.6.2 SOC and SN distribution with depth 4.6.3 Sedimentary characteristics 4.6.3.1 Accumulation rates 4.6.3.2 Sediment distribution 4.6.4 Impacts of future changes 4.6.5 Significance of remotely sensed upscaling results 4.7 Conclusions V Soil carbon and nitrogen stocks in Arctic river deltas - New data for three Western Alaskan deltas 5.1 Abstract 5.2 Introduction 5.3 Study sites 5.4 Methods 5.5 Results and discussion 5.5 Conclusions VI Discussion 6.1 Interregional comparison 6.2 Changing thermokarst landscapes and their global impact 6.3 A growing C and N data base 6.4 Outlook - potential follow-up projects VII Synthesis VIII References Appendix A Synthesis of SOC and N inventories Appendix B Supplementary material to Chapter II Appendix C Supplementary material to Chapter III Appendix D Supplementary material to Chapter IV Appendix E Supplementary material to Chapter V Appendix F Arctic river delta data set - Version 1.0 Acknowledgements - Danksagung
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  • 22
    Call number: ZSP-SCAR-570-5
    In: National Antarctic Research Report to SCAR, No. 5
    Type of Medium: Series available for loan
    Pages: 35 Seiten
    ISSN: 0179-0072
    Series Statement: National Antarctic Research Report to SCAR 5
    Language: English
    Note: Contents: Membership of the National Committee on Antarctic Research in the Federal Republic of Germany. - Introduction. - Stations. - I. Record of Activities (past and ongoing), April 82-October 83. - II. Planned Activities, October 83-October 84. - References.
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  • 23
    Call number: ZSP-SCAR-570-4
    In: National Antarctic Research Report to SCAR, No. 4
    Type of Medium: Series available for loan
    Pages: 24 Seiten
    ISSN: 0179-0072
    Series Statement: National Antarctic Research Report to SCAR 4
    Language: English
    Note: Contents: Membership of the National Committee on Antarctic Research in the Federal Republic of Germany. - Introduction. - Stations. - I. Record of Activities (past and ongoing), April 81-October 82. - II. Planned Activities, October 82-October 83. - References.
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  • 24
    Call number: ZSP-SCAR-570-3
    In: National Antarctic Research Report to SCAR, No. 3
    Type of Medium: Series available for loan
    Pages: 16 Seiten
    ISSN: 0179-0072
    Series Statement: National Antarctic Research Report to SCAR 3
    Language: English
    Note: Contents: Membership of the National Committee on Antarctic Research in the Federal Republic of Germany. - Introduction. - Stations. - I. Record of Activities (past and ongoing), April 80-October 81. - II. Planned Activities, October 81-October 82. - References.
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  • 25
    Call number: AWI PY-18-92073
    In: Annales de géophysique, Tome 10, No 4, 1954
    Type of Medium: Monograph available for loan
    Pages: 31 Seiten , Illustrationen
    Edition: Extrait
    Series Statement: Expéditions Polaires Françaises : Missions Paul- Emile Victor [168]
    Language: French
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  • 26
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-84/32
    In: CRREL Report, 84-32
    Description / Table of Contents: Orwell Lake, in west-central Minnesota, is a flood-control, water-management reservoir first impounded in 1953. Subsequent erosion of the shoreline and a lack of knowledge of slope erosion processes in this region prompted this study to identify and quantify the processes there. The processes were measured at selected sites between June 1980 and June 1983. Erosion of the banks is primarily caused by three processes: rain, frost thaw, and waves. The first two processes tend to move sediment to the base of the steep slopes, forming 4 relatively gentle surface of accumulation. Wave action then tends to move this sediment into the lake. Analysis of the data collected over three years has confirmed that wave action is the dominant erosion process, providing almost 77% of the erosion during the 1981-82 study year. During the 1981 high pool level, 2,089 Mg of sediment, mostly colluvium, was removed from the lower slopes by wave action striking the 1.62 km of eroding shoreline. More than 4,300 Mg was eroded by waves accompanying the higher pool levels of 1982., During years in which the pool level does not exceed 325.5 m in elevation, the colluvium slope builds up at the expense of the steeper slope. But during successive years with higher pool levels, the resulting thin colluvium is quickly eroded. Erosion of the primary sediment, a compact till, then occurs, forming the S typical nearly vertical banks. In winter the upland surface adjacent to the lake freezes to a depth of between 1 and 2 m, depending on the surface temperature, the mow cover, and the distance from exposed banks. In late winter soil aggregates, released by the sublimation of interstitial ice within the banks, begin to accumulate at the base of the slopes, often veneering snowbanks there. Once thaw begins, slab failure of bank sediment is followed by mudflows and earthflows. Thaw failure at Orwell Lake in the winter of 1981-82 accounted for over 20% of the erosion; in the spring of 1982, 824 Mg was eroded by this process and 746 Mg the following spring. Such slope failure is most intense along north-facing banks and considerably less intense on south-facing banks, where more effective desiccation and sublimation reduce the soil moisture content. Summer rainfall is responsible for the remaining 3% of the total erosion, amounting to 102 Mg in 1981 and 208 Mg in 1982. Because the banks are steep and relatively short, rainwash is infrequent; rainsplash is the most consistent process during the summer, but the infrequent storms during which rainwash occurscause greater total erosion. Erosion by rain has increased in each of the past three summers, largely because of increased precipitation. Infrequent massive slope failures (slumps) have occurred at the east end of the lake where a buried clay rich unit is stratigraphically and topographically positioned to favor such failures. Drought years followed by heavy spring rains probably will result in additional slope failures of this type at the east end. Unless changes are made, the banks at Orwell Lake will continue to recede. Restriction of the pool level to less than 325.5-m elevation is the least expensive solution to the problem.
    Type of Medium: Series available for loan
    Pages: ix, 110 Seiten , Illustrationen
    Series Statement: CRREL Report 84-32
    Language: English
    Note: CONTENTS Abstract Preface Summary Chapter 1. Introduction Location Purpose of study Previous work Chapter 2. Methodology Geology Overland erosion Wave erosion Frost penetration and heave Thaw failure Bank recession Ground water Soil moisture Chapter 3. Results Geology Geotechnical properties Overland erosion Wave erosion Freeze-thaw phenomena Ground water fluctuations Other slope failures Chapter 4. Discussion Overland erosion Wave erosion Thaw failure Universal soil loss equation Chapter 5. Summary and conclusions Techniques Erosion processes at Orwell lake Bank recession Literature cited Appendix A1: Average cumulative change of surface at erosion stations #2-12, 1980-81 Appendix A2: Cumulative net changes at overland erosion stations #1-12, 1980-81 Appendix A3: Cumulative net changes at overland erosion stations #1 -12, 198 1-82 Appendix A4: Cumulative average erosion at overland erosion stations #1-12, 1980-81 Appendix AS: Cumulative average erosion at overland erosion stations #1-12, 1981-82 Appendix A6: Cumulative average erosion at overland erosion stations #1 -1 2A, 1982 Appendix B: Dimensions of erosion sections, Orwell Lake, Minnesota Appendix C: Piezometer installation data, Orwell Lake, Minneso
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  • 27
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-84/26
    In: CRREL Report, 84-26
    Description / Table of Contents: Observations of shore ice pile-up and ride-up along the Alaska Beaufort Sea coast in 1983 and 1984 are presented. New information on historical accounts of onshore ice movement, uncovered since publication of Part I in this series, is reported. An account is given of ice overtopping a concrete caisson exploration island in the Canadian Beaufort Sea.
    Type of Medium: Series available for loan
    Pages: iii, 33 Seiten , Illustrationen
    Series Statement: CRREL Report 84-26
    Language: English
    Note: CONTENTS Abstract Preface Introduction Observations Discussion Literature cited Appendix A: Site location maps
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  • 28
    Call number: AWI G3-19-92384
    Description / Table of Contents: Widespread landscape changes are presently observed in the Arctic and are most likely to accelerate in the future, in particular in permafrost regions which are sensitive to climate warming. To assess current and future developments, it is crucial to understand past environmental dynamics in these landscapes. Causes and interactions of environmental variability can hardly be resolved by instrumental records covering modern time scales. However, long-term environmental variability is recorded in paleoenvironmental archives. Lake sediments are important archives that allow reconstruction of local limnogeological processes as well as past environmental changes driven directly or indirectly by climate dynamics. This study aims at reconstructing Late Quaternary permafrost and thermokarst dynamics in central-eastern Beringia, the terrestrial land mass connecting Eurasia and North America during glacial sea-level low stands. In order to investigate development, processes and influence of thermokarst dynamics, several sediment cores from extant lakes and drained lake basins were analyzed to answer the following research questions: 1. When did permafrost degradation and thermokarst lake development take place and what were enhancing and inhibiting environmental factors? 2. What are the dominant processes during thermokarst lake development and how are they reflected in proxy records? 3. How did, and still do, thermokarst dynamics contribute to the inventory and properties of organic matter in sediments and the carbon cycle? Methods applied in this study are based upon a multi-proxy approach combining sedimentological, geochemical, geochronological, and micropaleontological analyses, as well as analyses of stable isotopes and hydrochemistry of pore-water and ice. Modern field observations of water quality and basin morphometrics complete the environmental investigations. The investigated sediment cores reveal permafrost degradation and thermokarst dynamics on different time scales. The analysis of a sediment core from GG basin on the northern Seward Peninsula (Alaska) shows prevalent terrestrial accumulation of yedoma throughout the Early to Mid Wisconsin with intermediate wet conditions at around 44.5 to 41.5 ka BP. This first wetland development was terminated by the accumulation of a 1-meter-thick airfall tephra most likely originating from the South Killeak Maar eruption at 42 ka BP. A depositional hiatus between 22.5 and 0.23 ka BP may indicate thermokarst lake formation in the surrounding of the site which forms a yedoma upland till today. The thermokarst lake forming GG basin initiated 230 ± 30 cal a BP and drained in Spring 2005 AD. Four years after drainage the lake talik was still unfrozen below 268 cm depth. A permafrost core from Mama Rhonda basin on the northern Seward Peninsula preserved a full lacustrine record including several lake phases. The first lake generation developed at 11.8 cal ka BP during the Lateglacial-Early Holocene transition; its old basin (Grandma Rhonda) is still partially preserved at the southern margin of the study basin. Around 9.0 cal ka BP a shallow and more dynamic thermokarst lake developed with actively eroding shorelines and potentially intermediate shallow water or wetland phases (Mama Rhonda). Mama Rhonda lake drainage at 1.1 cal ka BP was followed by gradual accumulation of terrestrial peat and top-down refreezing of the lake talik. A significant lower organic carbon content was measured in Grandma Rhonda deposits (mean TOC of 2.5 wt%) than in Mama Rhonda deposits (mean TOC of 7.9 wt%) highlighting the impact of thermokarst dynamics on biogeochemical cycling in different lake generations by thawing and mobilization of organic carbon into the lake system. Proximal and distal sediment cores from Peatball Lake on the Arctic Coastal Plain of Alaska revealed young thermokarst dynamics since about 1,400 years along a depositional gradient based on reconstructions from shoreline expansion rates and absolute dating results. After its initiation as a remnant pond of a previous drained lake basin, a rapidly deepening lake with increasing oxygenation of the water column is evident from laminated sediments, and higher Fe/Ti and Fe/S ratios in the sediment. The sediment record archived characterizing shifts in depositional regimes and sediment sources from upland deposits and re-deposited sediments from drained thaw lake basins depending on the gradually changing shoreline configuration. These changes are evident from alternating organic inputs into the lake system which highlights the potential for thermokarst lakes to recycle old carbon from degrading permafrost deposits of its catchment. The lake sediment record from Herschel Island in the Yukon (Canada) covers the full Holocene period. After its initiation as a thermokarst lake at 11.7 cal ka BP and intense thermokarst activity until 10.0 cal ka BP, the steady sedimentation was interrupted by a depositional hiatus at 1.6 cal ka BP which likely resulted from lake drainage or allochthonous slumping due to collapsing shore lines. The specific setting of the lake on a push moraine composed of marine deposits is reflected in the sedimentary record. Freshening of the maturing lake is indicated by decreasing electrical conductivity in pore-water. Alternation of marine to freshwater ostracods and foraminifera confirms decreasing salinity as well but also reflects episodical re-deposition of allochthonous marine sediments. Based on permafrost and lacustrine sediment records, this thesis shows examples of the Late Quaternary evolution of typical Arctic permafrost landscapes in central-eastern Beringia and the complex interaction of local disturbance processes, regional environmental dynamics and global climate patterns. This study confirms that thermokarst lakes are important agents of organic matter recycling in complex and continuously changing landscapes.
    Type of Medium: Dissertations
    Pages: XII, 128 Seiten , Illustrationen , 1 DVD
    Language: English
    Note: Enthält 5 Publikationen: 1) Mid Wisconsin to Holocene permafrost and landscape dynamics based on a drained lake basin core from the northern Seward Peninsula, northwest Alaska / Josefine Lenz, Guido Grosse, Benjamin M. Jones [und 5 weitere] 2) Evidence of multiple thermokarst lake generations from an 11,800-year old permafrost core on the northern Seward Peninsula, Alaska / Josefine Lenz, Sebastian Wetterich, Benjamin M. Jones [und 3 weitere] 3) Impacts of shore expansion and catchment characteristics on lacustrine thermokarst records in permafrost lowlands, Alaska Arctic Coastal Plain / Josefine Lenz, Sebastian Wetterich, Benjamin M. Jones [und 5 weitere] 4) Periglacial landscape dynamics in the western Canadian Arctic: Results from a thermokarst lake record on a push moraine (Herschel Island, Yukon) / Josefine Lenz, Michael Fritz, Lutz Schirrmeister [und 4 weitere] 5) Regional environmental change versus local signal preservation in Holocene thermokarst lake sediments: A case study from Herschel Island, Yukon (Canada) / Michael Fritz, Ingmar Unkel, Josefine Lenz [und 6 weitere] , Table of contents Abstract Zusammenfassung Abbreviations and nomenclature 1 Thesis organization 1.1 Overview of chapters 1.2 Author contribution 2 Introduction 2.1 Scientific background 2.1.1 Arctic environments and permafrost in the study region of Beringia 2.1.2 Permafrost degradation and its global feedbacks 2.1.3 Thermokarst lakes and basins as paleoenvironmental archives 2.2 Aims and approaches 3 Mid Wisconsin to Holocene permafrost and landscape dynamics based on a drained lake basin core from the northern Seward Peninsula, northwest Alaska 3.1 Abstract 3.2 Introduction 3.3 Study area 3.4 Material and methods 3.5 Results 3.5.1 Core stratigraphy 3.5.2 Cryostratigraphy 3.5.3 Grain size distribution 3.5.4 Magnetic susceptibility 3.5.5 Biogeochemical characteristics 3.5.6 Tephra 3.5.7 Palaeoecology 3.5.8 Geochronology 3.6 Discussion 3.7 Conclusions 4 Evidence of multiple thermokarst lake generations from an 11,800-year old permafrost core on the northern Seward Peninsula, Alaska 4.1 Abstract 4.2 Introduction 4.3 Study area 4.4 Material and methods 4.5 Results 4.5.1 Geochronology 4.5.2 Cryolithological description 4.5.3 Geochemical results 4.5.4 Bioindicators 4.5.5 Characteristics of intra-sedimentary ice and comparison with modern waters 4.6 Discussion 4.6.1 Thermokarst lake dynamics 4.6.2 Regional lake dynamics and global environmental change 4.6.3 Carbon cycling 4.7 Conclusions 5 Impacts of shore expansion and catchment characteristics on lacustrine thermokarst records in permafrost lowlands, Alaska Arctic Coastal Plain 5.1 Abstract 5.2 Introduction 5.3 Study area 5.4 Material and methods 5.5 Results 5.5.1 Sedimentological results of near-shore core P1 5.5.2 Sedimentological and palynological results of lake center-cores P2 (and P3) 5.5.3 Lake age estimation 5.6 Discussion 5.6.1 Thermokarst lake development 5.6.2 Impact of catchment genesis and morphology on the lake sediment record 5.6.3 Carbon degradation 5.7 Conclusions 6 Synthesis 6.1 Study sites in central-eastern Beringia: Similarities and differences 6.2 Permafrost degradation and thermokarst development in central-eastern Beringia 6.2.1 Timing of thermokarst development 6.2.2 Environmental factors supporting and inhibiting thermokarst 6.3 Processes of thermokarst lake development and their imprint in proxy records 6.4 Contribution of thermokarst dynamics to the carbon cycle 6.5 Potentials/limitations of thermokarst lake archives and outlook Bibliography Appendix I: Periglacial landscape dynamics in the western Canadian Arctic: Results from a thermokarst lake record on a push moraine (Herschel Island, Yukon) I-1 Abstract I-2 Introduction I-3 Study area I-4 Material and methods I-5 Results I-5.1 Core lithology I-5.2 Radiography I-5.3 Magnetic susceptibility and water content I-5.4 Grain size distribution I-5.5 Biogeochemical characteristics I-5.6 Geochronology I-6 Discussion I-6.1 Evolution of Lake Herschel I-6.2 Paleoenvironmental implications of the Lake Herschel record I-7 Conclusions Appendix II: Regional environmental change versus local signal preservation in Holocene thermokarst lake sediments: A case study from Herschel Island, Yukon (Canada) II-1 Abstract II-2 Introduction and study area II-3 Material and methods II-3.1 Sediment core II-3.2 Radiocarbon dating and age modelling II-3.3 Pore-water chemistry II-3.4 X-ray fluorescence (XRF) scanning II-3.5 Micropaleontology II-4 Results II-4.1 Chronostratigraphy: The revised age model II-4.2 XRF chemistry II-4.3 Pore-water chemistry II-4.4 Calcareous microfossils II-4.5 Pollen II-5 Discussion II-5.1 Sedimentation history of Lake Herschel II-5.2 Limnological, sedimentary and geochemical properties predefine the habitat I-5.3 Autochthonous versus allochthonous deposition of calcareous microfossils II-5.4 Regional pollen-based reconstruction of vegetation and climate II-6 Conclusions Acknowledgements
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  • 29
    Monograph available for loan
    Monograph available for loan
    Leningrad : Gidrometeoizdat
    Call number: AWI A4-19-92407
    Type of Medium: Monograph available for loan
    Pages: 127 Seiten , Illustrationen
    Language: Russian
    Note: In kyrillischer Schrift
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  • 30
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-82/33
    In: CRREL Report, 82-33
    Description / Table of Contents: Arctic sea ice is freckled with melt ponds during the ablation season; Antarctic sea ice has few, if any. On the basis of a simple surface heat budget, we investigate the meteorological conditions necessary for the onset of surface melting in an attempt to explain these observations. The low relative humidity associated with the relatively dry winds off the continent and an effective radiation parameter smaller than that characteristic of the Arctic are primarily responsible for the absence of melt features in the Antarctic. Together these require a surface-layer air temperature above 0 C before Antarctic sea ice can melt. A ratio of the bulk transfer coefficients C sub H/C sub E less than 1 also contributes to the dissimilarity in Arctic and Antarctic ablation seasons. The effects of wind speed and of the sea-ice roughness on the absolute values of C sub H and C sub E seem to moderate regional differences, but final assessment of this hypothesis awaits better data, especially from the Antarctic.
    Type of Medium: Series available for loan
    Pages: 16 Seiten , Illustrationen
    Series Statement: CRREL Report 82-33
    Language: English
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  • 31
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-82/41
    In: CRREL Report, 82-41
    Description / Table of Contents: Many of the important factors influencing the choice of appropriate aquifer test procedures are presented. The concepts of bias, accuracy and spatial variabil­ity are explained. The definitions of a number of aquifer parameters are devel­oped from basic principles demonstrating the underlying assumptions and limita­tions. The parameters considered are: piezometric head, hydraulic conductiv­ity/intrinsic permeability, flow direction, specific discharge magnitude, transmissivity, volumetric flow rate, total porosity, effective porosity, aver­age linear velocity, storage coefficient, specific yield, dispersion coefficient-aquifer dispersivity. For each parameter several techniques are described, evaluated and ranked in terms of perceived potential accuracy, simplicity and value to contaminant transport studies. It must be stressed, however, that the evaluations are based principally upon theoretical grounds, and not upon actual conduct of the described procedures.
    Type of Medium: Series available for loan
    Pages: iv, 111 Seiten , Illustrationen
    Series Statement: CRREL Report 82-41
    Language: English
    Note: CONTENTS Abstrac Preface Introduction Purpose Scope Concept of accuracy Test selection Definition of parameters Piezometric head Use of piezometers Hydraulic conductivity Flow direction Specific discharge magnitude Transmissivity Volumetric flow rate Porosity Average linear velocity Storage coefficient-specific yield Aquifer dispersivity Parameter estimation techniques Piezometric head Hydraulic conductivity Direction and magnitude of specific discharge vector Transmissivity Volumetric flow rate Total porosity Average linear velocity Storage coefficient Specific yield Effective porosity Aquifer dispersivity-dispersion coefficients Conclusions Literature cited
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  • 32
    Monograph available for loan
    Monograph available for loan
    [Roskilde] : DCE - Danish Centre for Environment and Energy, Aarhus University
    Call number: AWI P5-19-92578
    Type of Medium: Monograph available for loan
    Pages: 148 Seiten , Illustrationen
    Edition: First edition
    ISBN: 978-87-93129-13-9
    Language: English
    Note: CONTENTS ABOUT THE AUTHORS PREFACE FROM THE ASSOCIATION OF POLAR EARLY CAREER SCIENTISTS PREFACE FROM THE INTERACT STATION MANAGERS’ FORUM ABOUT INTERACT ABOUT APECS INTERACT STATIONS INTRODUCTION 1. Getting started – Outlining your field project 1.1 Scientific rationale and objectives 1.2 Methods and data requirements 1.3 What scientific equipment will you need? 1.4 Study site(s) 1.5 Risk assessment 1.5.1 Risk identification 1.5.2 Risk assessment 1.5.3 Risk mitigation 1.5.4 Contingency plans 1.6 Time schedules 1.6.1 Logistical organisation 1.6.2 Fieldwork activities 1.7 Project budget 1.8 Data and sample management 1.8.1 Data management plan 1.8.2 Sample labelling 1.8.3 Field instrumentation 1.9 Environmental compliance 1.10 Output Chapter resources 2. Further planning – Practicalities and legal issues 2.1 Applying for access to the station 2.2 Transport to the station and conditions for visiting 2.2.1 Access to the station 2.2.2 Conditions for visiting 2.3 Visas and permits required by national authorities 2.3.1 Visas 2.3.2 Permits 2.4 Working with local communities 2.5 Equipment transport 2.6 Checklists and equipment 2.6.1 Checklists 2.6.2 Personal clothing 2.7 Import and export regulations 2.7.1 Import and export permits 2.7.2 Transporting hazardous goods 2.7.3 Handling cooled and frozen materials 2.8 Insurance 2.9 Check-ups and chronical illness 2.10 Training activities 2.11 Financial and other administrative issues 2.12 Final checks before leaving Chapter resources 3. Safety 3.1 General safety guidelines 3.2 Safety barriers 3.2.1 Knowledge, experience, and skills 3.2.2 Attitude and culture 3.2.3 Judgement and leadership 3.2.4 Trip plan 3.3 Education and training 3.4 Health and first aid 3.4.1 Medicine and chronic illness 3.4.2 First aid 3.5 Transport 3.5.1 Aircraft 3.5.2 Boats 3.5.3 Snowmobiles 3.5.4 Vehicles (Automobiles and ATV’s) 3.6 Risks at the station 3.6.1 Fire 3.6.2 In the kitchen 3.6.3 Electricity 3.6.4 Hygiene 3.6.5 Laboratory work and chemicals 3.6.6 Workshops and equipment use 3.7 Risks in the field and at the camp 3.7.1 Field camps 3.7.2 Cooking and water treatment 3.7.3 Firearms 3.7.4 Extreme activities 3.8 Natural hazards 3.8.1 Weather change 3.8.2 Glacier fieldwork 3.8.3 Snow avalanches and cornice falls 3.8.4 Steep terrain: Rock avalanches, rock falls, and mud slides 3.8.5 Sea-ice or frozen lakes and rivers 3.8.6 River crossings 3.8.7 Wildlife 3.9 Means of communication 3.9.1 Fieldwork plans and sign in/out boards 3.9.2 Routine calls 3.9.3 Non-routine calls 3.9.4 Emergency calls 3.10 Safety equipment 3.10.1 Communication equipment 3.10.2 Navigation equipment 3.10.3 Clothing 3.10.4 Field camp equipment 3.10.5 Specific safety equipment 3.11 Emergency preparedness Chapter resources 4. Arrival at the station and your time in the field 4.1 Getting to know your team 4.2 Arrival at the station 4.3 Working at field sites 4.4 In case something does not go according to plan 4.4.1 Handling delays 4.4.2 Handling conflicts 4.4.3 Harassment and discrimination 4.5 Environmental considerations 4.5.1 Pollution prevention 4.5.2 Waste management 4.5.3 Reducing energy use 4.5.4 Respect protected areas, fauna, and flora 4.6 Working with local communities 4.7 Communication with the outside world 4.8 Leaving the field Chapter resources 5. After fieldwork 5.1 Reporting to the station, funders, and local communities 5.2 Data preservation, backup, and submission APPENDICES Appendix A: Checklists Appendix B: Equipment lists Appendix C: Health risks
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  • 33
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-83/13
    In: CRREL Report, 83-13
    Description / Table of Contents: A review on past experimental and theoretical work indicates a need for additional experimentation to characterize the response of snow to inelastic pressure waves. Pressure data from previously conducted explosion tests are analyzed to estimate the elastic limit of snow of 400 -kg/cu m density to be about 36 kPa. This pressure corresponds to a scaled distance of 1.6 m/cu.rt.kg for charges fired beneath the surface of the snow, and to a scaled distance of 1.2 m/cu.rt.kg for charges fired in the air. The effects of a snow cover on the method of clearing a minefield by using an explosive charge fired in the air above the snow surface are also discussed and recommendations are given for further work in this area. Explosive pressure data are used to estimate the maximum effective scaled radius for detonating buried mines at shallow depth to be 0.8 m/cu.rt.kg. Fuel-air explosive will increase this effective radius significantly because of the increase in the size of the source region.
    Type of Medium: Series available for loan
    Pages: 33 Seiten , Illustrationen
    Series Statement: CRREL Report 83-13
    Language: English
    Note: CONTENTS Abstract Preface List of symbols Introduction Objectives Background Problems in describing the response of snow to an applied stress Methods of determining the dynamic behavior of materials Review of previous studies on snow Experimental measurements on snow Summary of snow experiments Theoretical studies Confirmation of the theory Discussion Applications Recommendations Summary Literature cited Appendix A. Selected data from Wisotski and Snyder (1966) Appendix B. Pressure data from Livingston (1964)
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  • 34
    Call number: ZSP-201-83/14
    In: CRREL Report, 83-14
    Description / Table of Contents: An analysis of ice fracture that incorporates dislocation mechanics and linear elastic fracture mechanics is discussed. The derived relationships predict a brittle to ductile transition in polycrystalline ice under tension with a Hall-Petch type dependence of brittle fracture strength on grain size. A uniaxial tensile testing technique, including specimen preparation and loading system design was developed and employed to verify the model. The tensile strength of ice in purely brittle fracture was found to vary with the square root of the reciprocal of grain size, supporting the relationship that the theory suggests. The inherent strength of the ice lattice and the Hall-Petch slope are evaluated and findings discussed in relation to previous results. Monitoring of acoustic emissions was incorporated in the tests, providing insights into the process of microfracture during ice deformation.
    Type of Medium: Series available for loan
    Pages: 43 Seiten , Illustrationen
    Series Statement: CRREL Report 83-14
    Language: English
    Note: CONTENTS Abstract Preface Introduction Background Development of testing technique Test specimens Tensile testing Compression testing Experimental results Tensile tests Compression tests Discussion Conclusions Suggestions for further work Literature cited Appendix A: Additional information on seed grains Appendix B: Thin-sectioning procedure Appendix C: Displacement transducer calibration
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  • 35
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    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-83/16
    In: CRREL Report, 83-16
    Description / Table of Contents: The presence of snow on the ground can impose limitations on the mobility of wheeled and tracked vehicles. Snow depth and density are the two most easily measured snow properties that can be related to mobility over snow. Existing models of snowpack accumulation and ablation processes and models of internal snowpack structure were examined to determine if a model of the snowpack can be developed for use in predicting the snow parameters that affect mobility. Simple models, such as temperature index models, do not provide sufficient snowpack details, and the more detailed models require too many measured inputs. Components of the various models were selected from a basis of a snowpack model for predicting snow properties related to mobility over snow. Methods of obtaining the input data from some components are suggested, and areas where more development is needed are described.
    Type of Medium: Series available for loan
    Pages: 34 Seiten , Illustrationen
    Series Statement: CRREL Report 83-16
    Language: English
    Note: CONTENTS Abstract Preface Nomenclature Conversion of metric units Introduction Review of existing models Accumulation models Ablation models Using existing models for studying mobility Proposed snowpack model for mobility studies Model components Implementation of the model Developing input data Conclusions Literature cited
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  • 36
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    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-83/17
    In: CRREL Report, 83-17
    Description / Table of Contents: A sea ice model was applied to the East Greenland Sea to examine a 60-day ice advance period beginning 1 October 1979. This investigation compares model results using driving geostrophic wind fields derived from three sources. Winds calculated from sea-level pressures obtained from the National Weather Service's operational analysis system resulted in strong velocities concentrated in a narrow band adjacent to the Greenland coast, with moderate velocities elsewhere. The model showed excessive ice transport and thickness build-ups in the coastal region. The extreme pressure gradient parallel to the coast resulted partially from a pressure reduction procedure that was applied to the terrain-following sigma coordinate system to obtain sea-level pressures. Additional sea-level pressure fields were obtained from an independent optimal interpolation analysis that merged FGGE buoys drifting in the Arctic basin with high latitude land stations and from manual digitization of the NWS hand-analyzed Northern Hemisphere Surface Charts. Modeling results using winds from both of these fields agreed favorably.
    Type of Medium: Series available for loan
    Pages: 19 Seiten , Illustrationen
    Series Statement: CRREL Report 83-17
    Language: English
    Note: CONTENTS Abstract Preface Introduction Description of study Model results The problem Conclusions Literature cited
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  • 37
    Call number: ZSP-201-83/32
    In: CRREL Report, 83-32
    Description / Table of Contents: Ice forces on a bridge pier in the Ottauquechee River, in Quechee, Vermont, were measured by installing fourpanels-each capable of measuring forces in the normal and tangential direction - on both sides of a vertical V-shaped pier nose. The measured forces are presented for a short period during an ice run. After the ice run, the thickness and sizes of the ice floes were measured and the compressive strength of the ice was determined in the laboratory from the ice samples collected along the river banks. The water level measurements made at several locations along theriver are also presented for the period of the ice run.
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    Pages: ii, 8 Seiten , Illustrationen
    Series Statement: CRREL Report 83-32
    Language: English
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  • 38
    Call number: AWI Bio-19-92601
    Description / Table of Contents: Taxonomy plays a central role in biological sciences. It provides a communication system for scientists as it aims to enable correct identification of the studied organisms. As a consequence, species descriptions should seek to include as much available information as possible at species level to follow an integrative concept of ‘taxonomics’. Here, we describe the cryptic species Epimeria frankei sp. nov. from the North Sea, and also redescribe its sister species, Epimeria cornigera. The morphological information obtained is substantiated by DNA barcodes and complete nuclear 18S rRNA gene sequences. In addition, we provide, for the first time, full mitochondrial genome data as part of a metazoan species description for a holotype, as well as the neotype. This study represents the first successful implementation of the recently proposed concept of taxonomics, using data from high-throughput technologies for integrative taxonomic studies, allowing the highest level of confidence for both biodiversity and ecological research.
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    Pages: 26 Seiten , Illustrationen
    ISSN: 2045-2322
    Series Statement: Scientific Reports / Springer Nature 8, 6893
    Language: English
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  • 39
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-84/2
    In: CRREL Report, 84-2
    Description / Table of Contents: Investigations of the in situ complex dielectric constant of sea ice were made using time-domain spectroscopy. It was found that (1) for sea ice with a preferred horizontal crystal c-axis alignment, the anisotropy of polarizing properties of the ice increased with depth, (2) brine inclusion conductivity increased with decreasing temperature down to about -8 C, at which point the conductivity decreased with decreasing temperature, (3) the DC conductivity of sea ice increased with increasing brine volume, (4) the real part of the complex dielectric constant is strongly dependent upon brine volume but less dependent upon the brine inclusion orientation, (5) the imaginary part of the complex dielectric constant was strongly dependent upon brine inclusion orientation but much less dependent upon brine volume. Because the electromagnetic (EM) properties of sea ice are dependent upon the physical state of the ice, which is continually changing, it appears that only trends in the relationships between the EM properties of natural sea ice and its brine volume and brine inclusion microstructure can be established.
    Type of Medium: Series available for loan
    Pages: vi, 38 Seiten , Illustrationen , 1 Beilage
    Series Statement: CRREL Report 84-2
    Language: English
    Note: CONTENTS Abstract Preface Nomenclature Introduction Dielectric properties of sea ice Time-domain spectroscopy measurement Laboratory measurements Field measurements Analysis of ladder data Conductivity of brine and sea ice Complex dielectric constant of brine and sea ice Discussion and conclusions Literature cited
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  • 40
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-83/33
    In: CRREL Report, 83-33
    Description / Table of Contents: A thermodynamic model has been developed that for the first time describes the entire creep process, including primary, secondary, and tertiary creep, and failure for both constant stress (CSR) tests (σ= const.) and constant strain rate (CSR) tests (ϵ = const.), in the form of a unified constitutive equation and unified failure criteria. Deformation and failure areconsidered as a single thermoactivated process in which the dominant role belongs to the change of entropy. Failure occurs when the entropy change is zero. At that moment the strain rates in CS tests reach the minima and stress in CSR tests reaches the maximum (peak) values. Families of creep (ϵ vs τ) and stress-strain (σ vs ϵ) curves, obtained from uni-axial compression CS and CSR tests of frozen soil, respectively (both presented in dimensionless coordinates), are plotted as straight lines and are superposed, confirming the unity of the deformation and failure process and the validity of the model. A method is developed for determining the parameters of the model, so that creep deformation and the stress-strain relationship of ductile materials such as soils can be predicted based upon information obtained from either type of test.
    Type of Medium: Series available for loan
    Pages: v, 25 Seiten , Illustrationen
    Series Statement: CRREL Report 83-33
    Language: English
    Note: CONTENTS Abstract Nomenclature Introduction Principal relationships Constitutive equation Failure criteria Secondary creep: Flow equations Creep at constant stress (σ = Const.) Creep model Creep strain (σ = Const.) Creep at constant strain rate (ϵ = Const.) Stress-strain relationship Stress/strain/strain rate at failure Test data Preliminary analysis Constant stress tests (σ = Const.) Constant strain rate tests (ϵ = Const.) The principle of superposition Thermodynamic equation of creep Conclusions Literature cited
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  • 41
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-84/3
    In: CRREL Report, 84-3
    Description / Table of Contents: The results of resistance tests in level ice and broken ice channels are presented for two models of the WTGB 140-fticebreaker at scales of 1:10 and 1:24, respectively. No scale effect on the resistance in level ice could be detected between the two models. From the test results an empirical predictor equation for the full scale ice resistance is derived. Predicted resistance is compared against, and found to be 25 to 40% larger than, available full-scale values estimated from thrust measurements during full-scale trials of the Great Lakes icebreaker Katmai Bay.
    Type of Medium: Series available for loan
    Pages: v, 25 Seiten , Illustrationen
    Series Statement: CRREL Report 84-3
    Language: English
    Note: COTENTS Abstract Preface Nomenclature Introduction Model characteristics and test conditions Ice-hull coefficient of friction Measurements of ice properties Experimental procedures Data acquisition system Test program and procedures for 1:10 model Test program and procedures for 1:24 model Analysis of test results Comparison of test results between 1:10 and 1:24 models Analysis of tests in broken or brash-filled ice channels Analysis of tests in level ice Full-scale prediction of level ice resistance Conclusions Literature cited
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  • 42
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-84/12
    In: CRREL Report, 84-12
    Description / Table of Contents: Icing on stationary structures such as oil rigs is becoming an increasingly serious problem as offshore drilling operations in the subpolar regions become more common. Little information exists on this subject. Extensive observations have been made of icing on the upper structures of moving ships, but the complexity of this problem makes analysis of the results very difficult. Even the generation of water drops in this case involves many factors, such as windspeed, wave direction relative to the bearing of the ship, and size and free-board of the ship. On stationary structures, however, the problem is much simpler, since the major factor in drop generation is whitecaps produced by wind, and no motion of the structure is involved. In the present study, a theoretical calculation was made by combining the data available on the generation of drops by wind with data on the proportion of ice frozen from the collected water. The rate of ice accumulation on stationary structures was calculated using published data. The results were compared with icing measured on board ships. Although the general trend of this calculation indicated parallelism with the onboard measurements, the measured ice accumulation rate on ships needed a 5 to 8 m/s higher windspeed to correspond with the calculated rate for stationary structures.
    Type of Medium: Series available for loan
    Pages: ii, 13 Seiten , Illustrationen
    Series Statement: CRREL Report 84-12
    Language: English
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  • 43
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-84/11
    In: CRREL Report, 84-11
    Description / Table of Contents: Data obtained from two sets of data buoys either air-dropped or deployed by ship onto the Weddell Sea pack ice during the period from Dec 1978 to Nov 1980 are presented. The buoy data include position, pressure and temperature information and to date represent the most complete combined weather and pack ice drift records for the ice-covered Southern Ocean regions. The buoys tended to drift north initially and then to turn east generally between latitudes 62°S and 64°S. Buoy 1433 turned east farther south at approximately 67°S but at about the same time as buoy 0527, implying that the westerly wind belt was farther south than usual in 1979. The range of air pressures-from about 950 mb to about 1020 mb is typical of the circumpolar low pressure trough in the Southern Hemisphere. All buoys were equipped with an internal or compartment temperature sensor. The 1980 buoys also contained an external air temperature sensor in a ventilated, shielded can at 1-m height. Although differences of 10°C or more between recorded air and compartment temperatures are common, the correlation between the two measured temperatures is generally very good. The compartment temperatures are higher probably because the buoy is radiationally heated. We found that subtracting 3°C from the average daily compartment temperature yielded a good estimate of the average air temperature for any given day. This technique can be used to construct average daily air temperature records for the 1979 buoys which only contained the internal or compartment temperature sensor.
    Type of Medium: Series available for loan
    Pages: v, 21 Seiten , Illustrationen
    Series Statement: CRREL Report 84-11
    Language: English
    Note: CONTENTS Abstract Preface Introduction Methods and instrumentation Results Drift tracks Pressure data Temperature data Discussion Conclusions Literature cited
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  • 44
    Call number: ZSP-201-84/9
    In: CRREL Report, 84-9
    Description / Table of Contents: This report presents the results of the first phase of a test program designed to obtain a comprehensive understanding of the mechanical properties of multi-year sea ice from the Alaskan Beaufort Sea. In Phase I, 222 constant-strain-rate uni-axial compression tests were performed on ice samples from ten multi-year pressure ridges to examine the magnitude and variation of ice strength within and between pressure ridges. A limited number of constant-strain-rate compression and tension tests, constant-load compression tests, and conventional triaxial tests were also performed on ice samples from a multi-year floe to provide preliminary data for developing ice yield criteria and constitutive laws for multi-year sea ice. Data are presented on the strength, failure strain, and modulus of multi-year sea ice under different loading conditions. The statistical variation of ice strength within and between pressure ridges is examined, as well as the effects of ice temperature, porosity, structure, strain rate and confining pressure on the mechanical properties of multi-year sea ice.
    Type of Medium: Series available for loan
    Pages: v, 107 Seiten , Illustrationen
    Series Statement: CRREL Report 84-9
    Language: English
    Note: CONTENTS Abstract Preface Introduction Field Sampling Site selection and description Ice sampling procedures Shipping and storage of ice samples Testing Techniques Multi-year Pressure Ridge Tests Ice description Sampling scheme and test variables Uniaxial compressive strength Residual compressive strength Failure strains Initial tangent modulus Statistical Variations in Ice Strength Differences in strength above and below level ice Sources of the variation in strength Shape of the strength histograms Multi-year Floe Ice Tests Ice description Uniaxial compressive strength Constant-load compression tests Constant-strain-rate tension tests Triaxial tests Conclusions Literature Cited Appendix A: Structural profile of a multi-year pressure ridge core Appendix B: Ridge uniaxial compression test data Appendix C: Structural profile of the continuous multi-year floe core Appendix D: Multi-year floe test data
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  • 45
    Call number: ZSP-799-370
    In: Trudy Ordena Lenina Arktičeskogo i Antarktičeskogo Naučno-Issledovatelʹskogo Instituta, Tom 370
    Type of Medium: Series available for loan
    Pages: 163 Seiten , Illustrationen
    Series Statement: Trudy Ordena Lenina Arktičeskogo i Antarktičeskogo Naučno-Issledovatelʹskogo Instituta 370
    Language: Russian
    Note: In kyrillischer Schrift
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  • 46
    Monograph available for loan
    Monograph available for loan
    Leipzig : Academy of Sciences of the GDR, Central Institute for Isotope and Radiation Research
    Associated volumes
    Call number: AWI G6-19-93042-2
    In: Interregional Training Course on Radiochemistry, [Supplement]
    Type of Medium: Monograph available for loan
    Pages: 88 Seiten , Illustrationen
    Language: English
    Note: Contents Manual 2.2 The relative measurement of aktivity Lectures 1.3 Statistics / H. Baumbach 2.2 Sealed sources / K. Vormum 2.4 Energy dispersive x-ray fluorescence analysis / H.-K. Bothe 3.1 The use of carriers / H. Koch 4.3 Autoradiography / K. Freyer 6.1 Radiometric methods in environmental control / H.-J. Große
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  • 47
    Monograph available for loan
    Monograph available for loan
    Leipzig : Academy of Sciences of the GDR, Central Institute for Isotope and Radiation Research
    Associated volumes
    Call number: AWI G6-19-93042-1
    In: Interregional Training Course on Radiochemistry, [Hauptband]
    Type of Medium: Monograph available for loan
    Pages: 248 Seiten , Illustrationen
    Language: English
    Note: Contents Manual 1.1 Beta measurements 1.2 Measurement of the energy spectrum and range of α-radiation with semiconductor detectors 1.3 Error and statistical tests 1.4 Basic experiments of gamma spectroscopy 2.1 Determination of certain elements in sedimental atmospheric dust by x-ray fluorescence analysis 2.2 Calibration and efficiencies (see Supplement) 2.3 Thin-layer chromatographic separation and test of the purity of labelled compounds 2.4 Separation of Thorium-234 from Uranium-238 2.5 Separation of 137Ca/137mBa by precipitation and sorption 3.1 Determination of phosphate by simple isotope dilution analysis and determination of Zn in MgSO4 by substoichiometric isotope dilution analysis 3.2 The Szilard-Chalmers effect 3.3 Determination of the Ag content in slags by instrumental neutron activation analysis 4.1 Isotope exchange of Ethyl Iodide and Sodium Iodide 4.2 Liquid scintillation counting of Carbon-14 and Tritium 4.3 Autoradiography - Demonstration of Autoradiographic techniques Lectures 1.1 Fundamentals of radioactivity / G. K. Vormum 1.2 Interaction of nuclear radiation with matter / G. K. Vormum 1.4 Equations of radioactive decay / G. K. Vormum 1.5 Radiation detectors / M. Geisler 2.1 Radiation spectroscopy / M. Geisler 2.5 Handling of radioisotopes / G. K. Vormum 2.7 Behaviour of radionuclides in very low concentrations / H. Koch 3.6 Particle sources / J. W. Leonhardt 4.2 Tracers in chemical kinetics / J. Dermietzel 4.4 Liquid Scintillation Counting (LSC) / R. Trettin 5.1 Isotopic tracers in biology / H. Hübner 5.2 Low-level counting / R. Trettin 5.4 Basic concepts of radioimmunoassay (RIA) / G. K. Vormum 6.2 Radionuclide generators / R. Otto
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  • 48
    Call number: AWI P7-19-93234 ; IASS 19.93234 ; PIK N 454-20-93234
    In: World ocean review, 6
    Type of Medium: Series available for loan
    Pages: 329 Seiten , Illustrationen
    ISBN: 978-3-86648-634-8
    Series Statement: World ocean review 6
    Language: German
    Note: Inhalt Vorwort Arktis und Antarktis – Naturräume in Poleposition Eine kurze Geschichte der Polarregionen Der Mensch erobert die Polargebiete Conclusio: Arktis und Antarktis – zwei grundverschiedene Polargebiete Die Polargebiete als Teil des globalen Klimasystems Warum es in den Polarregionen so kalt wird Eisschollen, Eisschilde und das Meer Conclusio: Eine Kettenreaktion mit frostigem Ende Die Auswirkungen des Klimawandels auf die Polarregionen Die Pfade der Wärme Der Rückzug des Eises Conclusio: Mehr Wärme – viel weniger Eis Die Flora und Fauna der Polarregionen Ein Leben in der Kälte Das Leben im Meer Polare Ökosysteme auf dem Rückzug Conclusio: Hochspezialisiert und extrem gefährdet Politik und Wirtschaft in den Polarregionen Die Arktis und die Antarktis als politische Arenen Ein Wirtschaftsaufschwung mit Nebenwirkungen Conclusio: Wachsendes Interesse an den Polarregionen Gesamt-Conclusio Glossar Abkürzungen Quellenverzeichnis Mitwirkende Index Partner und Danksagung Abbildungsverzeichnis Impressum
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  • 49
    Call number: AWI A3-20-93434
    In: Meteorologische Abhandlungen / Institut für Meteorologie und Geophysik der Freien Universität Berlin, Band XXXII, Heft 1
    Type of Medium: Series available for loan
    Pages: 121 Seiten , Illustrationen
    Series Statement: Meteorologische Abhandlungen / Institut für Meteorologie und Geophysik der Freien Universität Berlin 32,1
    Language: German
    Note: Zugleich: Dissertation, Freie Unversität Berlin, [ca. 1963] , INHALTSVERZEICHNIS PROBLEMSTELLUNG UND ZIELSETZUNG 1. BEMERKUNGEN ZUM BEOBACHTUNGSGELÄNDE UND ZUM BEOBACHTUNGSMATERIAL 1.1 Das Beobachtungsgelände 1.2 Das Beobachtungsmaterial 2. HOMOGENITÄTSBETRACHTUNGEN 2.1 Temperatur 2.2 Niederschlag 2.3 Wind 2.4 Sonnenschein und Bewölkung 3. TEMPERATURVERHÄLTNISSE 3.1 Monats- und Jahreswerte 3.2 Tageswerte 3.3 Pentadenwerte 3.4 Häufigkeitsbetrachtungen 3.5 Interdiurne Veränderlichkeit 3.6 Der tägliche Gang 3.7 Vorkommen bestimmter Schwellenwerte 3.71 Frost- und Eistage 3.72 Sommer- und Tropentage 4. DER WASSERGEHALT DER LUFT 4.1 Monats- und Jahreswerte 4.2 Tageswerte 4.3 Häufigkeitsbetrachtungen 4.4 Interdiurne Veränderlichkeit 4.5 Der tägliche Gang 5. BEWÖLKUNGSVERHÄLTNISSE 5.1 Monats- und Jahreswerte 5.2 Tageswerte 5.3 Häufigkeitsbetrachtungen 5.4 Der tägliche Gang 5.5 Heitere und trübe Tage 5.6 Nebel 6. SONNENSCHEIN 6.1 Monats- und Jahreswerte 6.2 Tageswerte 6.3 Der tägliche Gang 7. NIEDERSCHLAGSVERHÄLTNISSE 7.1 Monats- und Jahreswerte 7.2 Niederschlagsbereitschaft 7.3 Tageswerte 7.4 Der tägliche Gang 7.5 Häufigkeitsbetrachtungen 7.6 Niederschlags- und Trockenperioden 7.7 Niederschlag und Wind· 7.8 Schneeverhältnisse 7.81 Schneefall und Schneedecke 7.82 Schneehöhe 7.9 Gewitter 8. WINDVERHÄLTNISSE 8.1 Windrichtung 8.2 Windgeschwindigkeit 8.21 Der jährliche Gang 8.22 Häufigkeitsbetrachtungen 8.23 Sturmtage und Windstillen 8.24 Der tägliche Gang 9.ZUSAMMENFASSUNG VERZEICHNIS DER TEXTTABELLEN VERZEICHNIS DER ABBILDUNGEN LITERATURVERZEICHNIS TABELLENANHANG
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  • 50
    Call number: AWI A3-20-93434-2
    In: Meteorologische Abhandlungen / Institut für Meteorologie und Geophysik der Freien Universität Berlin, Band XXXII, Heft 2
    Type of Medium: Series available for loan
    Pages: 218 Seiten , Illustrationen
    Series Statement: Meteorologische Abhandlungen / Institut für Meteorologie und Geophysik der Freien Universität Berlin 32,2
    Language: German
    Note: Zugleich: Dissertation, Freie Unversität Berlin, [ca. 1963] , INHALTSVERZEICHNIS PROBLEMSTELLUNG UND ZIELSETZUNG 1. BEMERKUNGEN ZUM BEOBACHTUNGSGELÄNDE UND ZUM BEOBACHTUNGSMATERIAL 1.1 Das Beobachtungsgelände 1.2 Das Beobachtungsmaterial 2. HOMOGENITÄTSBETRACHTUNGEN 2.1 Temperatur 2.2 Niederschlag 2.3 Wind 2.4 Sonnenschein und Bewölkung 3. TEMPERATURVERHÄLTNISSE 3.1 Monats- und Jahreswerte 3.2 Tageswerte 3.3 Pentadenwerte 3.4 Häufigkeitsbetrachtungen 3.5 Interdiurne Veränderlichkeit 3.6 Der tägliche Gang 3.7 Vorkommen bestimmter Schwellenwerte 3.71 Frost- und Eistage 3.72 Sommer- und Tropentage 4. DER WASSERGEHALT DER LUFT 4.1 Monats- und Jahreswerte 4.2 Tageswerte 4.3 Häufigkeitsbetrachtungen 4.4 Interdiurne Veränderlichkeit 4.5 Der tägliche Gang 5. BEWÖLKUNGSVERHÄLTNISSE 5.1 Monats- und Jahreswerte 5.2 Tageswerte 5.3 Häufigkeitsbetrachtungen 5.4 Der tägliche Gang 5.5 Heitere und trübe Tage 5.6 Nebel 6. SONNENSCHEIN 6.1 Monats- und Jahreswerte 6.2 Tageswerte 6.3 Der tägliche Gang 7. NIEDERSCHLAGSVERHÄLTNISSE 7.1 Monats- und Jahreswerte 7.2 Niederschlagsbereitschaft 7.3 Tageswerte 7.4 Der tägliche Gang 7.5 Häufigkeitsbetrachtungen 7.6 Niederschlags- und Trockenperioden 7.7 Niederschlag und Wind· 7.8 Schneeverhältnisse 7.81 Schneefall und Schneedecke 7.82 Schneehöhe 7.9 Gewitter 8. WINDVERHÄLTNISSE 8.1 Windrichtung 8.2 Windgeschwindigkeit 8.21 Der jährliche Gang 8.22 Häufigkeitsbetrachtungen 8.23 Sturmtage und Windstillen 8.24 Der tägliche Gang 9.ZUSAMMENFASSUNG VERZEICHNIS DER TEXTTABELLEN VERZEICHNIS DER ABBILDUNGEN LITERATURVERZEICHNIS TABELLENANHANG
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  • 51
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-82/18
    In: CRREL Report, 82-18
    Description / Table of Contents: Snow and ice control on highways has come to rely heavily on the use of sodium chloride to maintain a trafficable surface for unimpeded movement. Empirical approaches have led to a wide range of application rates, some clearly excessive, but justified on the ground of safety and expediency. The combination of environmental degradation from the huge quantities of salt entering the environment, along with the increased cost of salt itself and the cost of its application have spurred the search for more precise knowledge of the proper amount of salt to apply to a pavement, considering a range of environmental, traffic and chemical parameters. Since controlled tests in the field are extremely difficult to make, a circular test track of three test pavements, dense-graded asphaltic concrete (DGA), open-graded asphaltic concrete (DGA) and portland cement concrete (PCC), was constructed in a coldroom. Natural snow and ice were applied to the pavements and an instrumented slipping wheel was driven over the surfaces to generate frictional forces. These forces were measured and then used to evaluate the response to salt application with time for three test temperatures. OGA had the lowest friction values at a temperature near the freezing point, but higher initial values or more rapidly increasing values than DGA and PCC following salt application at the two lower temperatures. Optimum application rate of salt on PCC and DGA lies between 100 and 300 lb/lane mile (LM), and a higher rate resulted in slight or no improvement in friction. DGA showed anomalous results: lower friction for 300 Ib/LM and higher friction for both 100 and 500 Ib/LM.
    Type of Medium: Series available for loan
    Pages: vi, 55 Seiten , Illustrationen
    Series Statement: CRREL Report 82-18
    Language: English
    Note: CONTENTS Abstract Preface Introduction Objectives Background Approach Influencing factors Field factors Laboratory Laboratory trafficking tests Force measurement and coefficient of friction Test tire slip Surface friction gauge Test procedure British portable tester Experimental results Conclusions Recommendations Literature cited Appendix A. Test pavements Appendix B. Pennsylvania State University field study Appendix C. Rochester Institute of Technology field study
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  • 52
    Call number: ZSP-201-82/15
    In: CRREL Report, 82-15
    Description / Table of Contents: An experiment is described that demonstrates the balance between the ice and the unfrozen water in a frozen soil as water is removed. Nuclear magnetic resonance (NMR) is used to monitor the unfrozen water content as the soil is dehydrated by a molecular sieve material. Our results show that the unfrozen water content of a Morin clay soil remains constant until the total water content has been reduced to the point where no ice remains in the system. Once the ice is depleted, the unfrozen water content determined by NMR corresponds to the total water content of the soil determined by the weight of water removed by the molecular sieve material. Thus the validity of utilizing NMR in determining unfrozen water contents vs temperature is established.
    Type of Medium: Series available for loan
    Pages: 8 Seiten , Illustrationen
    Series Statement: CRREL Report 82-15
    Language: English
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  • 53
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-82/8
    In: CRREL Report, 82-8
    Description / Table of Contents: A detailed analysis of methods for calculating the thermal conductivity of soils is presented, and trends in the predic­tions of these methods are compared. The influence of changes in the moisture content on the calculated thermal con­ductivity of a soil (at constant dry density) is shown, as is the sensitivity of this calculated value to changes in dry den­sity or in the soil solids’ thermal conductivity. The methods are evaluated to determine the extent of agreement of their predictions with measured values obtained on soils of known composition and properties. The deviations of the predicted values are determined for soils that are unfrozen or frozen, coarse or fine, unsaturated, saturated or dry. The applicability of each of the methods under various conditions is determined and recommendations are made as to the best method for each condition.
    Type of Medium: Series available for loan
    Pages: vi, 90 Seiten , Illustrationen
    Series Statement: CRREL Report 82-8
    Language: English
    Note: CONTENTS Abstract Preface Nomenclature Introduction Analysis of methods for calculating thermal conductivity Introduction Influence of moisture content on thermal conductivity Influence of dry density on thermal conductivity Influence of soil solids’ thermal conductivity Comparison of the various methods Evaluation of methods for calculating thermal conductivity Soils data used for evaluation Computer program Applicability of the methods Discussion and conclusions Applicability to unfrozen soils Applicability to frozen soils Applicability to saturated soils Effect of soil mineral composition Applicability to dry soils Summary of applicability of methods Literature cited Appendix A: Properties of some test soils Appendix B: Comparison of thermal conductivity values computed by the various methods and of their deviations from the values measured
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  • 54
    Monograph available for loan
    Monograph available for loan
    Cham : Springer
    Call number: AWI P9-20-93591
    Description / Table of Contents: This book focuses in detail on all ecologically important aspects of the Kongsfjorden system such as the marine and atmospheric environment including long-term monitoring, Ecophysiology of individual species, structure and function of the ecosystem, ecological processes and biological communities. The contributed articles include review articles and research articles that have a wider approach and bring the current research up-to-date. This book will form a baseline for future work.
    Type of Medium: Monograph available for loan
    Pages: xiii, 562 Seiten , Illustrationen, Karten , 24 cm
    ISBN: 978-3-319-46423-7
    Series Statement: Advances in polar ecology 2
    Language: English
    Note: Contents: 1 The ecosystem of Kongsfjorden, Svalbard / Haakon Hop and Christian Wiencke Part I. Atmospheric conditions 2 The atmosphere above Ny-Ålesund : climate and global warming, ozone and surface UV radiation / Marion Maturilli, Inger Hanssen-Bauer, Roland Neuber, Markus Rex, and Kåre Edvardsen Part II. Oceanography, sea ice and underwater light regime 3 The Kongsfjorden Transect : seasonal and inter-annual variability in hydrography / Vigdis Tverberg, Ragnheid Skogseth, Finlo Cottier, Arild Sundfjord, Waldemar Walczowski, Mark E. Inall, Eva Falck, Olga Pavlova, and Frank Nilsen 4 Changes in sea-ice extent and thickness in Kongsfjorden, Svalbard (2003-2016) / Olga Pavlova, Sebastian Gerland, and Haakon Hop 5 The underwater light climate in Kongsfjorden and its ecological implications / Alexey K. Pavlov, Eva Leu, Dieter Hanelt, Inka Bartsch, Ulf Karsten, Stephen R. Hudson, Jean-Charles Gallet, Finlo Cottier, Jonathan H. Cohen, Jørgen Berge, Geir Johnsen, Marion Maturilli, Piotr Kowalczuk, Sławomir Sagan, Justyna Meler, and Mats A. Granskog Part III. Pelagic production, phytoplankton and zooplankton 6 Phytoplankton seasonal dynamics in Kongsfjorden, Svalbard and the adjacent shelf / Else N. Hegseth, Philipp Assmy, Józef M. Wiktor, Józef Wiktor Jr., Svein Kristiansen, Eva Leu, Vigdis Tverberg, Tove M. Gabrielsen, Ragnheid Skogseth, and Finlo Cottier 7 Zooplankton in Kongsfjorden (1996-2016) in relation to climate change / Haakon Hop, Anette Wold, Mikko Vihtakari, Malin Daase, Slawomir Kwasniewski, Marta Gluchowska, Silke Lischka, Friedrich Buchholz and Stig Falk-Petersen Part IV. Benthic microbes, macroalgae and fauna 8 Living on cold substrata : new insights and approaches in the study of microphytobenthos ecophysiology and ecology in Kongsfjorden / Ulf Karsten, Iris Schaub, Jana Woelfel, Duygu S. Sevilgen, Carolin Schlie, Burkhard Becker, Angela Wulff, Martin Graeve, and Heiko Wagner 9 Biodiversity of benthic macro- and microalgae from Svalbard with special focus on Kongsfjorden / Stein Fredriksen, Ulf Karsten, Inka Bartsch, Jana Woelfel, Miriam Koblowsky, Rhena Schumann, Siri Røang Moy, Robert S. Steneck, Józef M. Wiktor, Haakon Hop, and Christian Wiencke 10. Kelps and environmental changes in Kongsfjorden : Stress perception and responses / Kai Bischof, Christian Buschbaum, Stein Frederiksen, Francisco J. L. Gordillo, Sandra Heinrich, Carlos Jiménez, Cornelius Lütz, Markus Molis, Michael Y. Roleda, Max Schwanitz, and Christian Wiencke 11. Ecological drivers of and responses by Arctic benthic communities, with an emphasis on Kongsfjorden, Svalbard / Markus Molis, Frank Beuchel, Jürgen Laudien, Maria Włodarska-Kowalczuk, and Christian Buschbaum Part V. Arctic fjord ecosystem model and autonomous marine observatories. 12. Outline of an Arctic fjord ecosystem model for Kongsfjorden-Krossfjorden, Svalbard / Pedro Duarte, Jan Marcin Weslawski, and Haakon Hop 13. Autonomous marine observatories in Kongsfjorden, Svalbard / Haakon Hop, Finlo Cottier, and Jørgen Berge Part VI. Kongsfjorden as harbinger of the future Arctic 14. Kongsfjorden as harbinger of the future Arctic : knowns, unknowns and research priorities / Kai Bischof, Peter Convey, Pedro Duarte, Jean-Pierre Gattuso, Maria Granberg, Haakon Hop, Clara Hoppe, Carlos Jiménez, Leonid Lisitsyn, Brezo Martinez, Michael Y. Roleda, Peter Thor, Józef M. Wiktor, and Geir Wing Gabrielsen
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  • 55
    Monograph available for loan
    Monograph available for loan
    München : C.H. Beck
    Call number: AWI A2-20-93900
    Type of Medium: Monograph available for loan
    Pages: 144 Seiten , Illustrationen, Diagramme
    Edition: 2., aktualisierte und erweiterte Auflage
    ISBN: 9783406736162 , 978-3-406-73615-5 , 3-406-73615-7
    Series Statement: C.H. Beck Wissen 2853
    Former Title: Vorangegangen ist Edenhofer, Ottmar, 1961 - Klimapolitik
    Language: German
    Note: Inhaltsverzeichnis Titel Zum Buch Über die Autoren Widmung Impressum Inhalt Vorwort 1. Das Klimaproblem und die Klimapolitik Welche Risiken birgt der Klimawandel? Was ist mit der Vermeidung gefährlichen Klimawandels gemeint? Internationale Klimapolitik als Wette 2. Die Bestandsaufnahme der Klimapolitik Die Entwicklung der Emissionen Das Wirtschafts- und Bevölkerungswachstum Die Renaissance der Kohle und das Angebot fossiler Energieträger Abholzung und Landnutzung Energieeffizienz und erneuerbare Energien 3. Ziele und Wege der Klimapolitik Das 2 °C-Ziel als langfristige Klimapolitik Die Pfade der Transformation Dem technischen Fortschritt eine neue Richtung geben Die Kosten und Risiken des Klimaschutzes Wachstumsverzicht und Klimaschutz Anpassung - auch bei erfolgreicher Klimapolitik unvermeidlich Solar Radiation Management - der letzte Pfeil im Köcher? 4. Instrumente und Institutionen der Klimapolitik Ein Preis für Emissionen und andere Politikinstrumente Warum wir internationale Klimapolitik benötigen Das Paradoxon internationaler Vereinbarungen Die internationalen Verhandlungen Nach Paris: Vorschläge für die Ausgestaltung der internationalen Klimapolitik Die Klimapolitik der Europäischen Union Die deutsche Energiewende und der Klimaschutz Klimapolitik, Ungleichheit und Armutsbekämpfung 5. Die Rolle der Wissenschaft in der Klimapolitik Der Weltklimarat (IPCC) Der IPCC und die Modelle der wissenschaftlichen Politikberatung Die künftigen Herausforderungen für den IPCC Narrative der Klimapolitik Ausblick Weiterführende Literatur Quellen für Daten und Grafiken Register
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  • 56
    Call number: ZSP-201-80/20
    In: CRREL Report, 80-20
    Description / Table of Contents: Results of impulse radar studies of sea ice give support to the concept of a sea ice model in which the ice bottom is composed of an array of lossy parallel plate waveguides. The fundametal relation between the average bulk brine volume of sea ice and its electrical and strength properties is discussed as is the remote detection of under-ice current alignment. It was found that 1) the average effective bulk dielectric constant is dependent upon the average bulk brine volume of the sea ice; 2) sea ice anisotropy, arising from a bottom structure of crystal platelets with a preferred c-axis horizontal alignment, can be detected by radio echo sounding measurements made not only on the ice surface but also from an airborne platform; 3) the effective coefficient of reflection from the seaiIce bottom decreases with increasing average effective bulk dielectric constant of the ice, decreases with increasing bulk brine volume, and is typically one to two orders of magnitude lower dhan the coefficient of reflection from the ice surface; and 4) the losses In sea ice increase with increasing average bulk brine volume.
    Type of Medium: Series available for loan
    Pages: v, 18 Seiten , Illustrationen
    Series Statement: CRREL Report 80-24
    Language: English
    Note: CONTENTS Abstract Preface Introduction Field program Results and discussion Conclusions Literature cited Appendix: Data analysis procedures
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  • 57
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-80/16
    In: CRREL Report, 80-16
    Description / Table of Contents: Eight species of loricate choanoflagellates (Acanthoccidae), Acanthoecopsis spiculifera, Bicosta spinifera, Bicosta antennigera, Callicantha simplex, Calliacantha multispina aff., Crinolina aperta, Diaphanoeca multionnulata, and Parvicorbicula socialis, were observed in samples obtained from the Weddell Sea during the austral summer, 1977. D. multiannulata was described for the first time from these samples; the other organisms have either been described previously or are being described at this time. The distribution of most species within the Weddell Sea was widespread. The distributional, environmental, and morphological range of A. spiculifera, B. spinifera, C. aperta, and P. socialis was expanded. Habitats in which choanoflagellates were found included the water column, the edges of ice floes, ponds on ice floes, and the interiors of ice floes. The presence of choanoflagellates within the ice indicates that there may be a closely coupled trophic relationship with the other two biological components of the ice community, the ice algae and the bacteria. The presence in the ice of seven species with both a caudal appendage and anterior projections suggests a positive relationship between this lorica configuration and the ice habitat. Mechanisms of variance of transverse costal diameters between genera may be useful to the taxonomy and phylogeny of this family.
    Type of Medium: Series available for loan
    Pages: vi, 26 Seiten , Illustrationen
    Series Statement: CRREL Report 80-16
    Language: English
    Note: CONTENTS Introduction Literature review Objectives Materials and methods Results Observations Distribution and environmental tolerances Discussion Morphology Distribution Habitat Summary Conclusions Recommendations for future work Literature cited Appendix A Type descriptions of Acanthoecidae collected from the Weddell Sea
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  • 58
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-80/17
    In: CRREL Report, 80-17
    Description / Table of Contents: Construction pads made of snow were used to build two sections of the Trans Alaska Pipeline and a small gas pipeline during the winter of 1975-76. Construction during the winter has become increasingly common in the Arctic. Surface travel and the use of heavy construction equipment on the unprotected tundra have been severely restricted, even during the winter, so the use of temporary winter roads and construction pads built of snow and ice has been advocated and is being adopted. The three snow construction pads mentioned above were the first snow roads and construction pads used on a large scale in Alaska. Snow roads and construction pads have two objectives: to protect the underlying vegetation and upper layers of the ground, and to provide a hard, smooth surface for travel and the operation of equipment. Several types have been built, and a brief discussion is given of their history and classification systems. The three snow construction pads used in construction of the Trans-Alaska Pipeline and the small gas pipeline in 1975-76 were visited and observed while in use. The Globe Creek snow pad, about 50 miles north of Fairbanks, was built primarily of manufactured snow hauled to the site and watered. With very high densities this pad withstood heavy traffic and use by heavy construction equipment except on one steep slope. There, the use of tracked vehicles and vehicles without front wheel drive disaggregated the snow on and near the surface so that vehicles without front wheel drive were unable to climb the hill. The Toolik snow pad, just north of the Brooks Range, was built of compacted snow and proved capable of supporting the heaviest traffic and construction equipment. The fuel gasline snow pad ran from the northern Brooks Range to the Arctic Coast and also proved capable of supporting the necessary traffic. Both the Toolik snow pad and the fuel gasline snow pad failed in very early May because of unseasonably warm and clear weather before the associated construction projects were completed. However, the three snow pads must be considered successful. Common problems were the lack of snow, slopes, unseasonably warm spring weather, and inexperience on the part of contractors and construction personnel.
    Type of Medium: Series available for loan
    Pages: v, 28 Seiten , Illustrationen
    Series Statement: CRREL Report 80-17
    Language: English
    Note: CONTENTS Abstract Preface Introduction History of snow and ice roads Classification of snow and ice roads Snow pads used by Alyeska during the winter of 1975-1976 The Globe Creek snow pad The Toolik snow pad The gasline snow pad Summary and conclusions Literature cited
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  • 59
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-80/13
    In: CRREL Report, 80-13
    Description / Table of Contents: Specimens prepared from various types of ice without introducing excessive defects were tested at temperatures ranging from -2° to -190°C. These tests indicated slightly higher Charpy values at lower temperatures and in more highly dispersed material concentrations. Three modes of fracture occurred during testing. Depending on the temperature and the material composition, either of the first two modes, normal fracture or multiple fracture, will appear and will show a normal frequency distribution of Charpy values in each type of ice. The third mode, fracture from both ends,which frequently occurred in the NH4F doped ice, gave Charpy values two to five times higher than the mean value for normal fracture. It can, therefore, be concluded that certain types of doping can alter the mode of fracture, through which drastic modifications of impact resistance my be possible.
    Type of Medium: Series available for loan
    Pages: iii, 13 Seiten , Illustrationen
    Series Statement: CRREL Report 80-13
    Language: English
    Note: Contents Abstract Preface lntroduction Experimental Sample preparation Testing procedure Results General features Commercial Ice Notched commercial ice Sanded commercial ice Pure ice Single crystal ice Snow-ice Colloidal alumina-dispersed ice Colloidal silica.dispersed ice NH4F doped ice HF doped ice Discussion Literature cited
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  • 60
    Monograph available for loan
    Monograph available for loan
    Bonn : Rheinwerk Verlag
    Call number: AWI S4-20-94030
    Type of Medium: Monograph available for loan
    Pages: 1380 Seiten , Illustrationen , 24 cm x 19 cm
    Edition: 2., aktualisierte und erweiterte Auflage
    ISBN: 3836263858 , 9783836263856
    Series Statement: Rheinwerk Computing
    URL: Cover
    Language: German
    Note: Inhalt TEIL I Brave New World? 1 Die neue alte Welt der Virtualisierung 1.1 V2 1.2 Vorbemerkungen 1.2.1 Verwendete Formatierungen 1.2.2 Weiterführende Hinweise 1.2.3 Beispieldateien 1.3 Was dieses Buch sein/nicht sein soll 1.3.1 Was es sein soll 1.3.2 Was es nicht sein soll und nicht ist 1.4 Wie dieses Buch zu lesen ist 1.4.1 Grundsätzliches 1.4.2 Kapitel/Teile und Zielgruppen im groben Überblick 1.5 Welche Teile des Buchs sind neu, welche wurden stark überabeitet? 1.6 In welchen Kapiteln finde ich welche Themen? 1.6.1 Themen nach Abschnitten/Schlagworten mit grundlegenden Erklärungen 1.7 Verwendete Plattformen und Versionsspezifikationen 1.7.1 Vorbetrachtungen 1.7.2 Container-OS und die Zukunft 2 Container 2.1 Warum Container? 2.2 Microservices, Container und der pawlowsche Hund 2.2.1 Wie erkläre ich es meinem CEO? 2.2.2 Die neue Welt der Microservices: Admins, DevOps-und Container-Teams 2.2.3 Die neue Welt der Microservices: aus der Perspektive der CEOs/Entscheider 2.3 Continuous Delivery/Continuous Integration und DevOps 2.3.1 Semi- oder vollautomatisch:Continuous Integration/Continuous Delivery 2.3.2 CD/CI und das Big-Bang-Release-Problem 2.4 Continuous Delivery 2.4.1 Was verstehen wir darunter? 2.4.2 Continuous Delivery Pipelines 2.4.3 Commit-Stage 2.4.4 Acceptance-Test-Stage 2.4.5 Exkurs: Acceptance-Tests und Dreieinigkeit 2.4.6 Load/Capacity-, Security- und Exploration-Tests 2.4.7 Rollout/Go-Live 2.4.8 Die Gates 2.4.9 Fazit: Wo kann CD nutzbringend eingesetzt werden? 2.4.10 Jenkins-Integration in Kubernetes 2.5 DevOps: Gewaltenteilung oder Kooperation? 2.5.1 Grundsätzliche Betrachtungen 2.5.2 Vom DevOps-Paradigma/Hype zum Unwort 2.5.3 Kommunikationsblackouts im DevOps-Team 2.5.4 Das konkrete DevOps-Problem im klassischen Umfeld 2.5.5 »Works for me« und anderer Nonsens im DevOps-Business - und ein Ausweg? 2.5.6 BizDevOps - und noch eine Silbe TEIL II Single-Node Container-Systeme 3 Container-Engines und -Plattformen, Basicsund Konzepte 3.1 World of Tiers - Teil 1 3.2 Container-Basics 3.2.1 Namespaces, Security und Container-Konzepte 3.2.2 Enter Namespace - nsenter 3.2.3 Namespaces und Sicherheit? 3.3 VMs - obsolet durch Container? 3.3.1 Container vs. VM 3.3.2 Packungsdichte und Ressourcen 3.4 Wann sind Container sinnvoll? 3.5 Container-Engines/Container-Runtime und Komponenten im Überblick 3.5.1 Von LXC zu Docker 3.5.2 Docker 3.5.3 libcontainer, containerd und runC 3.5.4 runC, containerd und shim im Docker-Kontext 3.5.5 runC als eigenständiges Container-Tool 3.5.6 (cri-)containerd - Wirrwarr im Kubernetes-Kontext 3.5.7 LXD 3.5.8 CoreOS bzw. Container-Linux und Rocket/rkt 3.5.9 CRI-O 3.6 Überblick der Container-Formate 3.6.1 OCI -... Standardisierung? 3.6.2 Runtime Specs 3.6.3 Image-Format 3.6.4 Das BSI und die lieben Container 3.6.5 Fazit 3.7 Container: eine funktionale Übersicht 3.7.1 Aufbau eines Container-Hosts 3.7.2 Docker-Images 3.7.3 Anzahl der Layer 4 Docker 4.1 Docker-Versionen 4.1.1 Docker-Versionen, wichtige Meilensteine und Inkompatibilitäten 4.1.2 Docker-LTS-Versionen und die Enterprise Edition 4.1.3 DDC, CE, EEB, EES, EEA - und der beständige Wechsel im Docker-Land 4.1.4 Betrachtete Plattformen und Docker-Versionen 4.1.5 Funktionaler Überblick: Docker CU, dockerd, Registry 4.2 Docker-Installation 4.2.1 Paketnamen und Dependencies 4.2.2 Docker-Installation unter Ubuntu 18.04 LTS 4.2.3 Docker-Installation unter RHEL/CentOS ≥ 7.4 4.2.4 Docker-Version unter CaaSP 4.2.5 CaaSP- und BTRFS/Docker-Problematiken 4.2.6 CaaSP-spezifische Docker-Konfigurationsdateien 4.2.7 Installation der Commercially Supported Docker-Engine 4.2.8 Docker CE, EE 4.2.9 Storage-Driver-Nonsens unter Docker CE und EE 4.2.10 Distributionsunabhängige Installation von Docker 4.3 Deinstallation, Upgrade oder Umstellung auf andere Storage-Backends 4.3.1 Deinstallation 4.3.2 Upgrade 4.3.3 Umstellung des Storage-Backends 4.4 Docker und systemd-lntegration 4.4.1 systemd-Service-Units für Docker 4.5 Docker und Proxies 4.5.1 Docker-Daemon hinter einem Proxy betreiben 4.5.2 Docker-Client-Settings für Proxies (Docker ≥ 17.07) 4.5.3 Docker-Client- bzw. Image-Settings für Proxies (Docker ≤ 17.06) 4.6 Docker im Betrieb 4.6.1 Permanente Diensteinbindung 4.6.2 Lokale HA 4.6.3 Verbose Mode 4.6.4 Status-Überprüfung/Features 4.6.5 Docker-Systeminformationen 4.6.6 Docker-Daemon-Konfigurationsmöglichkeiten 4.6.7 Mögliche Startoptionen/Schalter des Docker-Daemons 4.6.8 Konfiguration per /etc/docker/daemon.json 4.6.9 Alternatives Docker-Verzeichnis als Konfigurationsbeispiel 4.6.10 Docker-CLI-Konfiguration 4.6.11 Docker-Plugins 4.7 Docker-Image-Management - Basics 4.7.1 Auszug der Docker-CLI-Subkommandos 4.7.2 CLI-Strukturen seit Docker 1.13 4.7.3 docker Container- und image-Subkommandos 4.7.4 Einfaches Image-Management 4.7.5 Docker-Namensräume und das Default-Registry-Problem 4.7.6 Docker-Images (unter docker.io) suchen 4.7.7 Image-Schema-Versionen 4.7.8 Offizielles CentOS-lmage von docker.io pullen 4.7.9 Lokal verfügbare Docker-Images listen und filtern 4.7.10 Meta-Informationen von lokalen Images abfragen 4.7.11 Images löschen 4.7.12 docker save & load Images 4.7.13 Dangling Images: The good and the bad 〈none〉:〈none〉 4.7.14 Build-History eines Images inspizieren 4.8 Trusted Images 4.8.1 Ein eigenes, generisches Trusted Basis-Image erzeugen 4.8.2 Gescriptete Image-Erzeugung (YUM Based) 4.8.3 Mikro-Image »from scratch« mit go 4.8.4 Red Hats Container Health Index 4.8.5 Mikro-Image einer Legacy-Applikation 4.8.6 Transformation von Legacy-Apps in Images 4.8.7 Images: grundlegende Security-relevante Betrachtungen 4.9 Betrieb und Management von Docker-Containern 4.9.1 Kurzübersicht der relevanten Docker-CLI-Kommandos 4.9.2 Neues »docker container«-Subkommando 4.9.3 docker history 4.9.4 Container starten-docker [Container] run 4.9.5 Docker-Registry, Image, Container run, lokaler Datastore -the Big Picture 4.9.6 (Random-)Container-Names und automatische Löschung (run -rm ) 4.9.7 Container-HA: automatische Restarts 4.9.8 docker [Container] run --readonly 4.9.9 Detached Container im Hintergrund starten 4.9.10 Auflisten von Container-Instanzen - docker ps 4.9.11 Starten und Stoppen existierender Container 4.9.12 docker [Container] rename 4.9.13 Container-Instanzen löschen: docker [Container] rm/prune 4.9.14 docker [Container] attach-Optionen 4.9.15 Befehle im laufenden Container ausführen: docker [Container] exec 4.9.16 docker [Container] create 4.9.17 Container-Instanzen exportieren und als Images importieren 4.9.18 Kopieren von Daten: Container zwischen Host 4.9.19 docker Checkpoint 4.10 Prozessverwaltung im Container 4.10.1 docker top 4.10.2 Prozesse im Container beenden 4.10.3 docker wait und Return/Exit-Codes 4.10.4 Den Container und alle in ihm laufenden Prozesse temporär pausieren 4.10.5 Live-Events mit docker events 4.11 Container-Capabilities/Privilegien 4.11.1 Prüfung und Auslesen der Capabilities 4.12 Docker Logging 4.12.1 Log-Driver 4.12.2 Zentralisierte Logs für Container-Instanzen 4.12.3 Container-Logs mit docker logs 4.13 Einfache Applikationen im Container 4.13.1 Vorbetrachtungen 4.13.2 Installation von Applikationen im gestarteten Container 4.14 Image-Modifikationen committen und taggen 4.14.1 Commit- Beispiel 4.14.2 Nachträgliches Taggen von Images 4.14.3 Exkurs - die :latest-Problematik 4.15 Layer-Strukturen 4.15.1 Verzeichnisstrukturen auf dem lokalen Docker-Host 4.15.2 Was ist beim letzten Commit passiert, wo liegt der neue Layer? 4.15.3 IDs der RW-Layer von gestarteten Containern und Querbezüge 4.15.4 Layer-Analyse und Flattening (Zusammenfassung) 4.16 Limitierte Container-Instanzen 4.16.1 docker [Container] stats 4.16.2 Mögliche Limitierungen 4.16.3 Beispiele aus der Praxis für limitierte Container-Instanzen 4.16.4 Nachträgliche Limitierung 4.17 Docker-Images erstellen (docker build) und verwalten 4.17.1 Best-Practice/File-Hierarchie 4.17.2 docker [image] build 4.17.3 Dockerfile-Direktiven/Instruktionen 4.17.4 Build-Anwendungsbeispiel: Apache-Container 4.17.5 Bu
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  • 61
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-80/31
    In: CRREL Report, 80-31
    Description / Table of Contents: Ice accretion on structures built on the earth’s surface is discussed. Sources of water are the atmosphere or water bodies near or surrounding the structure. Ice types include frost, rime, glaze, and spray; properties and conditions governing their formation are presented. Methods of estimating accretion rates and total accretion on structures are given, and extracts from U.S. and Canadian codes for ice and wind loads on structures are included. Techniques for preventing or removing ice accretion are presented.
    Type of Medium: Series available for loan
    Pages: iv, 18 Seiten , Illustrationen
    Series Statement: CRREL Report 80-31
    Language: English
    Note: CONTENTS Abstract Preface 1. Types of ice accretion a. Frost b. Rime c. Glaze d. Spray ice 2. Conditions governing type of accreted ice a. Meteorological b. Structural 3. Accretion rates a. Fundamentals b. Effect of height c. Geographical distribution 4. Spray icing 5. Structural design factors a. Dead loads b. Wind field in the boundary layer c. Windloads 6. Techniques for minimizing structural icing 7. Data collection needs 8. Literature cited
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  • 62
    facet.materialart.12
    [Belleair Bluffs, Florida] : MasseranoLabs LLC
    Call number: 9781086027563 (e-book)
    Type of Medium: 12
    Pages: xi, 247 Seiten , Illustrationen , 23 cm
    Edition: First edition
    ISBN: 9781086027563 , 1086027566
    Language: English
    Note: Contents Preface Acknowledgement Gold Supporters Silver Supporters I Introduction Why OpenDroneMap? What You Can Do with OpenDroneMap The Key To Becoming a Successful User II Getting Started Installing The Software Hardware Requirements Installing on Windows Installing on macOS Installing on Linux Basic Commands and Troubleshooting Hello, WebODM! Processing Datasets Dataset Size File Requirements Process Tasks Output Results Share With Others Export To Another WebODM Manage Plugins Change The Look & Feel Create New Users Manage Permissions How Does WebODM Process Images? The Processing Pipeline Load Dataset Structure From Motion Multi View Stereo Meshing Texturing Georeferencing Digital Elevation Model Processing Orthophoto Processing Task Options in Depth build-overviews cameras crop debug dem-decimation dem-euclidean-map dem-gapfill-steps dem-resolution depthmap-resolution dsm dtm end-with fast-orthophoto gcp help ignore-gsd matcher-distance matcher-neighbors max-concurrency merge mesh-octree-depth mesh-point-weight mesh-samples mesh-size min-num-features mve-confidence opensfm-depthmap-method opensfm-depthmap-min-patch-sd orthophoto-bigtiff orthophoto-compression orthophoto-cutline orthophoto-no-tiled orthophoto-resolution pc-classify pc-csv pc-ept pc-filter pc-las rerun rerun-all rerun-from resize-to skip-3dmodel sm-cluster smrf-scalar smrf-slope smrf-threshold smrf-window split split-overlap texturing-data-term texturing-keep-unseen-faces texturing-nadir-weight texturing-outlier-removal-type texturing-skip-global-seam-leveling texturing-skip-hole-filling texturing-skip-local-seam-leveling texturing-skip-visibility-test texturing-tone-mapping time use-3dmesh use-exif use-fixed-camera-params use-hybrid-bundle-adjustment use-opensfm-dense verbose version Ground Control Points Creating a GCP file using POSM GCPi Using GCP files How GCP files work Flying Tips Fly Higher Fly on Overcast Days Fly Between 10am and 2pm Fly at Different Elevations and Capture Multiple Angles Fly on Calm Days Increase Overlap Set Drone to Hover While Taking Images Check Camera Settings III Advanced Usages The Command Line Command Line Basics Using ODM Processed Files Owned By Root Add New Processing Nodes to WebODM Batch Geotagging of Images Using Exiftool Further Readings Docker Essentials Docker Basics Managing Containers Managing Images Managing Volumes Docker-Compose Basics Managing Disk Space Changing Entrypoint Assigning Names To Containers Jumping Into Existing Containers Making Changes Without Rebuilding Images Camera Calibration Option 1: Use an Existing Camera Model Option 2: Generate a Camera Model From a Calibration Target Taking Pictures of a Calibration Target Extracting a Camera Profile Manually Writing a cameras.json File Bonus: Checking Your LCP File by Manually Removing Geometric Distortion Processing Large Datasets Split-Merge Options Local Split-Merge Distributed Split-Merge Using Image Groups and GCPs Limitations The NodeODM API Launching a NodeODM Instance NodeODM Configuration Using the API with cURL Remove a Task API Specification Automated Processing With Python Getting Started Example 1: Hello NodeODM Example 2: Process Datasets Concluding Remarks API Reference Glossary About the Author
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  • 63
    facet.materialart.12
    Cham : Springer International Publishing
    Call number: 9783319468075 (e-book)
    Type of Medium: 12
    Pages: 1 online resource (593 pages) , Illustrationen
    ISBN: 9783319468075
    Language: English
    Note: Contents 1 The Conifers Conifer Taxonomy Geographic Distribution and Biogeography Life History Ecological Tolerance Conifer Mating System, Life Cycle, and Reproduction The Largest, Tallest, and Oldest Organisms on the Planet Genetic Diversity Summary Part I Genomes 2 Genomes: Classical Era The Beginnings of Genome Research in Conifers Chromosome Number and Polyploidy Genome Size Karyotype Analysis Genome Content Organelle Genomes: Chloroplast and Mitochondria Size and Structure Gene Content Inheritance Variation Summary 3 Gene and Genome Sequencing in Conifers: Modern Era A Short History of DNA Sequencing in Conifers Expressed Sequence Tag Sequencing Gene Discovery Using Next-Generation Sequencing Conifer Reference Genome Sequences Sequencing, Assembly, and Annotation Strategies Summary Statistics of Published Conifer Genome Sequences Discovery of the Noncoding DNA Content of Conifer Genomes Discovery of the Number and Types of Coding Genes in Conifers Chloroplast and Mitochondrial Genome Sequencing Summary 4 Noncoding and Repetitive DNA Introduction Ribosomal DNA Tandem Repeats: Satellite, Minisatellite, and Microsatellite DNA Transposons and Retrotransposons Pseudogenes Summary 5 Gene Structure and Gene Families A Short History of Early Conifer Gene Sequencing Wood-Forming Genes Vegetative Growth Genes Floral Genes Light-Regulated Genes Defense-Related Genes Disease-Resistant Genes Summary 6 Gene Expression and the Transcriptome A Short History of Gene Expression Studies in Conifers Wood Formation Biotic Factors Abiotic Factors Seasonal Patterns Epigenetic Control of Gene Expression Summary 7 Proteomics and Metabolomics A Short History of Proteomic and Metabolomic Research in Conifers Wood Formation Biotic Factors Abiotic Factors Seed Development and Somatic Embryogenesis Summary Part II Variation 8 Phenotypic Variation in Natural Populations Introduction Definitions Terms for Describing the Identity of Experimental Plant Materials: Provenance, Population, Seed Source, and Accession Terms for Describing Patterns of Genetic Variation on the Natural Landscape: Cline, Race, and Ecotype Historical Perspectives Application of Common Garden Experiments Experimental Approaches and Analytical Methods Experimental Approaches Analytical Methods Dependent and Independent Variables Common Garden Testing Literature Amount, Distribution, and Pattern of Genetic Variation in Phenotypic Traits of Conifers Amount and Distribution of Genetic Variation Patterns of Variation Are Local Sources Best? Case Studies Pseudotsuga menziesii (Douglas-fir) Pinus Summary 9 Neutral Genetic Variation Introduction and Background Molecular Markers Used in the Study of Neutral Variation Three Conifer Genomes Purpose and Applications of Neutral Genetic Variation Studies General Diversity Results: Allozymes Variation Within Species Variation Within Populations Distribution of Variation Among Populations (Based on Polymorphic Loci only) Differences in Measures of Diversity Among Conifer Genera and Families Allozyme Summary General Diversity Results: Molecular Markers Organelle Markers Nuclear Markers Population Differentiation Factors Affecting Amount and Distribution of Genetic Variation Mating Systems Gene Flow Genetic Drift Case Studies Diversity, Population Structure, and Biogeography Conservation and Mating Systems Effects of Forest Management and Tree Improvement on Genetic Diversity Summary 10 Adaptive Genetic Variation A Short History of Adaptive Genetic Variation in Conifers General Trends in Patterns of Adaptive Genetic Diversity in Conifers Observed from Neutrality and FST Outlier Tests Detection of Nonneutral Genes in a Few Conifer Species Pinus taeda Pinus sylvestris Pinus mugo, P. uncinata, and P. uliginosa Pinus pinaster and P. halepensis Pinus radiata Pinus contorta Pinus massoniana and P. hwangshanensis Pinus lambertiana and Other Subgenus Strobus Species Pseudotsuga menziesii Larix Species Abies Species Picea Species Cryptomeria japonica and Taxodium distichum Summary 11 Quantitative Trait Dissection A Short History of Complex Trait Dissection in Conifers Pinus taeda Pinus elliottii Pinus radiata Pinus sylvestris Pinus pinaster Pinus contorta Pseudotsuga menziesii Picea ssp. Larix ssp. Cryptomeria japonica Summary 12 Landscape Genomics A Short History of Landscape Genomics Studies in Conifers Pinus Subgenus Pinus Pinus Subgenus Strobus Picea Abies and Larix Summary 13 Conservation Genetics A Brief Introduction to Conservation Genetics in Forestry Fragmentation Habitat Loss Forest Practice Disease Insects Climate Change Summary 14 Forest Health Introduction The Growing Relevance of Forest Health Genetic Variation in Forest Health Traits Insects and Disease Abiotic Stress Mechanisms of Resistance and Tolerance Case Studies Resistance to Pissodes strobi (White Pine Weevil) Found in Picea sitchensis (Sitka spruce) Resistance to an Introduced Pathogen (Phytophthora lateralis) in Chamaecyparis lawsoniana (Port-Orford-cedar) Resistance to Stem Rusts in North American White Pines and Southern Yellow Pines Summary Part III Evolution 15 Hybridization and Introgression Introduction Definitions and Background Definitions Background Approaches to Identifying Hybrids and Quantifying Levels of Introgression Evolving Insights Case Studies of Introgressive Hybridization in Conifers Pinus contorta (Lodgepole Pine) x P. banksiana (Jack Pine) Picea sitchensis (Sitka Spruce) x P. glauca (White Spruce) and P. engelmannii (Engelmann Spruce) x P. glauca Pinus taeda (Loblolly Pine) x P. echinata (Shortleaf Pine) Hybrid Speciation Artificial Hybrids Summary 16 Paleobotany, Taxonomic Classification, and Phylogenetics Introduction Paleobotany Taxonomic Classification Cupressus Pinus Phylogenetics Character Selection The Conifers and Related Gymnosperms Araucariaceae Cupressaceae Pinaceae Podocarpaceae Sciadopityaceae Taxaceae Summary 17 Comparative Genomics Introduction to Comparative Genomics Comparative Mapping Comparative Gene Content and Transcriptomics Comparative Genome Sequences Summary 18 Historical Perspective and Future Directions in Forest Genetics and Genomics Historical Perspective Current Situation Future Directions Primary Commercial Species (Group A) Appendix 1 Appendix 2 References Index
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  • 64
    Call number: 9781351698757 (e-book)
    Description / Table of Contents: Science during the Cold War has become a matter of lively interest within the historical research community, attracting the attention of scholars concerned with the history of science, the Cold War, and environmental history. The Arctic--recognized as a frontier of confrontation between the superpowers, and consequently central to the Cold War--has also attracted much attention. This edited collection speaks to this dual interest by providing innovative and authoritative analyses of the history of Arctic science during the Cold War.
    Type of Medium: 12
    Pages: 1 Online-Ressource (320 Seiten) , Illustrationen , 24 cm
    ISBN: 9781351698757 (e-book)
    Series Statement: Routledge studies in the history of science, technology and medicine 38
    Language: English
    Note: Table of Contents Introductory perspectives Chapter 1: Introduction: Cold War science in the North American Arctic / by Stephen Bocking, Daniel Heidt Strategic science Chapter 2: Ice and the depths of the ocean: probing Greenland's Melville Bay during the Cold War / by Mark Nuttall Chapter 3: Leadership, cultures, the Cold War and the establishment of Arctic scientific stations: situating the Joint Arctic Weather Stations (JAWS) / by P. Whitney Lackenbauer, Daniel Heidt Chapter 4: Frontier footage: science and colonial attitudes on film in Northern Canada, 1948–1954 / by Matthew S. Wiseman Chapter 5: Portraying America's last frontier: Alaska in the media during the Second World War and the Cold War / by Victoria Herrmann Chapter 6: Making “Man in the Arctic”: academic and military entanglements, 1944–49 / by Matthew Farish Cold War economies Chapter 7: Arctic pipelines and permafrost science: North American rivalries in the shadow of the Cold War, 1968–1982 / by Robert Page Chapter 8: Cold oil: linking strategic and resource science in the Canadian Arctic / by Stephen Bocking Chapter 9: Icebergs in Iowa: Saudi dreams, Antarctic hydrologics and the production of Cold War environmental knowledge / by Rafico Ruiz Chapter 10: Science and Indigenous knowledge in land claims settlements: negotiating the Inuvialuit Final Agreement, 1977–1978 / by Andrew Stuhl Science crossing borders Chapter 11: Knowledge base: polar explorers and the integration of science, security, and US foreign policy in Greenland, from the Great War to the Cold War / by Dawn Alexandrea Berry Chapter 12: Institutions and the changing nature of Arctic research during the early Cold War / by Lize-Marié van der Watt, Peder Roberts, Julia Lajus Chapter 13: Rockets over Thule? American hegemony, ionosphere research and the politics of rockets in the wake of the 1968 Thule B-52 accident / by Henrik Knudsen Chapter 14: Applied science and practical cooperation: Operation Morning Light and the recovery of cosmos 954 in the Northwest Territories, 1978 / by P. Whitney Lackenbauer, Ryan Dean Chapter 15: Melting the ice curtain: indigeneity and the Alaska Siberia Medical Research Program, 1982–1988 / by Tess Lanzarotta Epilogue: global Cold War—the Antarctic and the Arctic Chapter 16: Antarctic science and the Cold War / by Adrian Howkins
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  • 65
    Call number: 9781789200294 (e-book)
    Type of Medium: 12
    Pages: 1 Online-Ressource (334 Seiten) , Illustrationen
    ISBN: 9781789200294
    Series Statement: Studies in German history 22
    Language: English
    Note: CONTENTS List of Figures and Tables Acknowledgments Introduction: German Histories and Pacific Histories / Ulrike Strasser, Frank Biess, and Hartmut Berghoff Part I. Missionaries, Explorers, and Knowledge Transfer 1. German Apothecaries and Botanists in Early Modern Indonesia, the Philippines, and Japan / Raquel A. G. Reyes 2. A Bohemian Mapmaker in Manila: Travels, Transfers, and Traces between the Pacific Ocean and Germans Lands / Ulrike Strasser 3. German Naturalists in the Pacific around 1800: Entanglement, Autonomy, and a Transnational Culture of Expertise / Andreas W. Daum 4. Georg Wilhelm Steller and Carl Heinrich Merck: German Scientists in Russian Service as Explorers in the North Pacific in the Eighteenth Century / Kristina Küntzel-Witt 5. Johann Reinhold Forster and the Ship Resolution as a Space of Knowledge Production / Anne Mariss 6. Engineering Empire: German Influence on Chinese Industrialization, 1880-1925 / Shellen Wu Part II. Expansion, Entanglements, and Colonialism in the Long Nineteenth Century 7. Expanding the Frontier(s): The Spreckels Family and the German-American Penetration of the Pacific, 1 870-1920 / Uwe Spiekermann 8. Work and Non-work in the "Paradise of the South Sea": Samoa, ca. 1890-1914 195 / Jürgen Schmidt 9. German Women in the South Sea Colonies, 1884-1919 / Livia Rivotti 10. Sacrifice, Heroism, Professionalization, and Empowerment: Colonial New Guinea in the Lives of German Religious Women, 1899-1919 / Katharina Stornig 11. Rape, Indenture, and the Colonial Courts in German New Guinea / Emma Thomas 12. The Trans-Pacific "Ghadar" Movement: The Role of the Pacific in the Indo-German Plot to Overthrow the British Empire during World War I / Douglas T. McGetchin 13. The Vava'u Germans: History and Identity Construction of a Transcultural Community with Tongan and Pomeranian Roots / Reinhard Wendt Epilogue German Histories and Pacific Histories: New Directions / Matt Matsuda Index
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  • 66
    Call number: 9783658130961 (e-book)
    Type of Medium: 12
    Pages: 1 Online-Ressource (152 Seiten) , Illustrationen
    ISBN: 9783658130961 (e-book)
    Language: German
    Note: Inhaltsverzeichnis 1 Einleitung Literatur 2 Bauprojekte sind auch Kommunikationsbaustellen 2.1 Aufbau und Erhaltung einer Informationskultur im Projektteam 2.2 Veränderung im öffentlichen Raum schafft Kommunikationsbedarf 2.3 Problemlösung durch integrierte Kommunikation 2.4 Organisatorische Einbindung der Kommunikation in das Projektmanagement 2.5 Kommunikatoren nach innen und außen 2.6 Prozessorientiertes Phasenmodell 2.7 Umfeldanalyse zur Eruierung kritischer Themen 2.8 Festlegung der Kommunikationsstrategie 2.9 Ziele und Dialoggruppen 2.10 Das Bauprojekt bewusst positionieren 2.11 Einheitliche Botschaften nach innen und außen vermitteln 2.12 Strategische Planung des Maßnahmenkatalogs Literatur 3 Interne Kommunikation 3.1 Aufgabenstellungen der internen Kommunikation 3.2 Ratio und Empathie: Die Projektkultur entwickeln 3.3 Formelle und informelle interne Kommunikation 3.4 Formelles Informationsmanagement 3.5 Informeller Informationsaustausch 3.6 Instrumente der internen Kommunikation 3.7 Synchrone Kommunikationsmittel 3.8 Asynchrone Kommunikationsmittel Literatur 4 Externe Kommunikation 4.1 Das Modell PESO 4.2 Bezahlte Medienauftritte (Paid Content) 4.2.1 Advertorials 4.2.2 Baureportagen in Bewegtbildern 4.2.3 Gesponserte Blogbeiträge 4.3 Berichterstattung in den klassischen Medien (Eamed Content) 4.3.1 Basispressemappe als Faktensammlung 4.3.2 Media-Newsroom als Informationsdrehscheibe für Journalisten 4.3.3 Laufende Information über Medienmitteilungen 4.3.4 Pressekonferenzen schaffen persönliche Beziehungen 4.3.5 Einzelgespräche mit Journalisten 4.3.6 Individuelle Publikationen in Fachmedien 4.3.7 Bilder lassen Architektur im Gedächtnis bleiben 4.4 Widerhall in den sozialen Netzwerken (Shared Content) 4.5 Das Bauprojekt in der Selbstdarstellung (Owned Content) 4.5.1 Die Projektwebsite als Kommunikationsdrehscheibe 4.5.2 Stakeholder mit Newslettern am Laufenden halten 4.5.3 Corporate Publishing signalisiert Qualität 4.5.4 Informationspavillon als Ort für Einblicke und Auskünfte 4.5.5 Veranstaltungen Literatur 5 Vorsorgemaßnahmen gegen mögliche Krisen Literatur 6 Ansichten und Einsichten von Experten 6.1 Architekturkritiker und -joumalisten 6.1.1 Axel Simon: Vorsichtskultur der Schweiz führt zu Partizipationsverfahren 6.1.2 Walter Laser: Exklusivität als Türöffner für Fachmedien 6.1.3 Jakob Schoof: Visuelles entscheidet über Berichterstattung 6.2 Kommunikationsverantwortliche von Bauherren 6.2.1 Emst Eichinger: Die Projektdatenbank des größten Bauherrn Österreichs 6.2.2 Johanna Griesmayr: Direkte Kommunikation Online und über Ombudsleute 6.2.3 Peter Klinglmüller: Kommunikativer Hype um das neue grün-weiße Rapid-Stadion 6.3 Projektmanager 6.3.1 Jürgen Laukemper: Bauherren mit einer ausgeprägten Kommunikationskultur tun sich leichter 6.3.2 Andreas Gobiet: Kommunikation gehört Bautechnikem schon in der Ausbildung als Grundelement vermittelt 6.3.3 Wolfgang Kradischnig: Die Währung in einem Projekt ist Vertrauen 6.3.4 Hans Lechner: Planung und Architektur sind keine nonverbalen Kulturleistungen 6.3.5 Arnold Schmitzer: Die sieben Todsündenbeim Bauen 6.3.6 Verena Zybell: Ampelsignale steuern durch Projektengstellen Literatur 7 Resümee Weiterführende Literatur
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  • 67
    Monograph available for loan
    Monograph available for loan
    Berlin : Matthes & Seitz
    Call number: AWI E1-15-89047
    Description / Table of Contents: Georg Forster (1754-1794) war eine der faszinierendsten Gestalten seiner Zeit: glänzender Schriftsteller, Naturforscher, Entdecker, Zeichner, Übersetzer und entschiedener Revolutionär. Auf seiner Weltumsegelung mit James Cook berührte er Eisberge mit den eigenen Händen, lief den Strand von Tahiti entlang, besuchte fremde Völker, lebte unter »Menschenfressern« und überquerte Ozeane und den Äquator. Und er stand im Zentrum des politischen Geschehens, als er - inspiriert von der Französischen Revolution - 1793 die »Mainzer Republik« ausrief, die erste Republik auf deutschem Boden. Anschaulich und fesselnd portraitiert Jürgen Goldstein dieses Ausnahmeleben, in dem sich »Freiheit« und »Naturgewalt« berührten. Niemand ist auf vergleichbare Weise das erfahrungsgetriebene Experiment eingegangen, die Natur mit dem Politischen kurzzuschließen. Die Funken, die Forster aus seinen Leitvorstellungen schlug, erhellten für einen Weltaugenblick die Aussicht, es könne so etwas wie natürliche Revolutionen geben. Jürgen Goldstein, geboren 1962, lehrt als Professor für Philosophie an der Universität Koblenz-Landau. Maßgeblich von Hans Blumenberg inspiriert, widmen sich seine Studien der Genese und dem Profil der Moderne. Seine Bücher befassen sich mit der Herausbildung der neuzeitlichen Subjektivität und Rationalität, der politischen Philosophie des 20. Jahrhunderts und der Geschichte der Naturwahrnehmung.
    Description / Table of Contents: Wagemutiger Entdeckungsreisender, empfindsamer Naturbetrachter, glühender Revolutionär: Georg Forster befuhr mit James Cook die Weltmeere, verfasste glänzende Reiseerzählungen und stürzte sich mit provokanten Ansichten in die politischen Debatten seiner Zeit. Er war in Mainz Mitbegründer der ersten Republik auf deutschem Boden und starb - gescheitert und vereinsamt - im Pariser Exil. In seiner ebenso fesselnden wie kenntnisreichen Biographie entwirft Jürgen Goldstein mit Eleganz und Tiefenschärfe ein anschauliches Panorama von Forsters rastlosem Leben zwischen Euphorie und Elend - das Leben eines Weltbürgers, der davon überzeugt war, dass sich die Freiheit eines Tages mit Naturgewalt ihren Wag bahnen müsse.
    Type of Medium: Monograph available for loan
    Pages: 301 S. , 22 cm
    Edition: 1. Aufl.
    ISBN: 978-3-95757-090-1
    Language: English
    Note: Inhalt: Auftakt. - Ein gefährliches Wort: Natur. - 1. 1754-1772. ANFÄNGE. - Wie ein unbeschriebenes Blatt. - Erste Eindrücke von Weite. - Zur rechten Zeit am rechten Ort. - 2. 1772-1775. ANSICHTEN DER NATUR: DIE REISE UM DIE WELT. - Wahrnehmungsmuster. - Die große Erzählung. - Das Meer. - Entfernungen. - Strapazen. - Wagnisse im Eis. - Das sonnige Arkadien. - Erste und letzte Anblicke. - Edle Wilde?. - Unter Menschenfressern. - Mord und Totschlag. - Eine Gemeinschaft von Gleichen. - Die gekränkten Rechte der Menschheit. - 3. 1776-1788. ZWISCHENSPIELE. - Blue devils. - Der Balsam der Natur. - Eine physische Anthropologie. - Ein Streit um Menschenrassen. - Politisches Wetterleuchten: Cook, der Staatsmann. - 4. 1789-1793. ANSICHTEN DES POLITISCHEN: DIE REVOLUTION. - Pariser Unruhen und politische Öffentlichkeit. - Geschichtszeichen der neuen Welt: Revolutionen. - Politische Ansichten vom Niederrhein. - Natur als Schicksal. - Das Prinzip des politischen Wandels: Gärung. - Die französische Mainzer Freiheit. - Die Mainzer Republik. - Kundige der unterirdischen Gänge: Forster und Goethe. - 5. 1793-1794. DAS ENDE: DIE GROßE RATLOSIGKEIT. - Das ungeheure Haupt der Revolution: Paris. - Das kalte Fieber des Terrors. - Tänzer am Rande des Unsinns: Adam Lux. - Zurück zur Natur: Menschenwürde. - Die Revolution ist die Revolution. - Verlassen wie ein Kind. - Eine Quelle sonderbarer Beschauung. - Schluss. - Das Mahagoni-Schränkchen. - Anmerkungen. - Literatur.
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  • 68
    Monograph available for loan
    Monograph available for loan
    Hamburg : maribus
    Associated volumes
    Call number: AWI G2-15-89285
    In: World ocean review
    Type of Medium: Monograph available for loan
    Pages: 151 S. , zahlr. Ill, graph. Darst.
    ISBN: 9783866482531
    Series Statement: World ocean review 4
    Language: English
    Note: Contents: Preface. - Chapter 1: Concepts for a better world. - What is sustainability?. - The value of nature. - Conclusion: “Sustainability” – a difficult concept to define. - Chapter 2: How the sea serves us. - The bounty of the sea. - Oceans under threat. - Conclusion: Marine ecosystem services at risk. - Chapter 3: Politics and the oceans. - On the difficulty of governing the sea. - Conclusion: The ideal of good marine policy. - Chapter 4: Hope for the oceans. - Roadmap towards a sustainable future?. - Protecting the seas is possible. - Conclusion: How marine conservation can work. - Overall conclusion. - Glossary. - Contributors. - Bibliography. - Table of figures. - Index. - Abbreviations. - Partners and Acknowledgements. - Publication details.
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  • 69
    Monograph available for loan
    Monograph available for loan
    Wiesbaden : Dieterich'sche Verlagsbuchh.
    Associated volumes
    Call number: AWI A15-97-0056e
    In: Vorlesungen über theoretische Physik
    Type of Medium: Monograph available for loan
    Pages: XIV, 374 S.
    Edition: 1. Aufl.
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  • 70
    Monograph available for loan
    Monograph available for loan
    Moskva : Izdatel'stvo Politechničeskogo muzeja
    Call number: AWI E1-16-90310
    Type of Medium: Monograph available for loan
    Pages: 172, [1] Seiten , Illustrationen
    ISBN: 978-5-98962-037-1
    Language: Russian
    Note: In kyrill. Schr.
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  • 71
    Monograph available for loan
    Monograph available for loan
    Novosibirsk : Izd. Nauka
    Call number: AWI G3-16-90240
    Type of Medium: Monograph available for loan
    Pages: 135 S. , Ill., graph. Darst.
    Language: Russian
    Note: In kyrill. Schr.
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  • 72
    Call number: AWI A12-17-90537
    Type of Medium: Monograph available for loan
    Pages: 267 S. , Ill., graph. Darst.
    Language: Russian
    Note: Contents: Preface. - I. INSTRUMENT AND TECHNIQUES OF MEASUREMENTS OF OZONE, SOLAR ULTRAVIOLET AND CONSTITUENTS OF THE ATMOSPHERE INFLUENCING THE OZONE. MEASUREMENT RESULTS. - The set of measurements for optical observations of ozone and other constituents of the atmosphere influcencing the ozone / G. I. Kuznetzov. - Investigation of time variations of ozone / G. I. Kuznetzov. - Analytical aspects of atmospheric ozone and oxidants studies / L. N. Tchernyh, V. A. Popov, E. V. Pechennikova. - Results of the airborne measurements of total ozone and nitrogen dioxide / A. Ya. Arabov, N. F. Elansky, Yu. L. Truttse. - Rocket head design of meteorological rockets MR-12 and M-100B for measuring of optical characteristics of the upper atmosphere / N. I. Brezgin, E. A. Krohina, S. G. Linnik, A. F. Chijov, O. V. Shtirkov. - Simultaneous measurements of the vertical ozone distribution by rocket and goundbased spectrometric methods / P. F. Boychenko, N. I. Brezgin, G. I. Kuznetzov, A. F. Chijov, O. V. Shtirkov. - The apparatus and method for investigation of ozone-sensitive chemiluminescent detectors at low pressures / S. P. Perov, V. I. Konkov, V. A. Kononkov, L. A. Udonova. - On the application of the chemiluminescent method of the investigation of atmospheric ozone with the help of meteorological rocket M100-B / V. I. Konkov, S. P. Perov. - Water vapour distribution in the ozonosphere / A. V. Fedinsky, V. A. Yuskov. - Sounding rocket measurements of aerosol concentration in the atmosphere up to 90 km / T. I. Orishich. - Basic problems of automation of total ozone measurements and the results of development of automatic ozonometer / V. A. Bajenov, T. D. Jukovskaya, A. N. Otto. - Automatic calculation of the common maintance of atmospheric ozone by filter ozonometers by means of methods of analogue transformation of functions / V. A. Bajenov. - II. OZONOSPHERE CHEMISTRY. - Systems modelling of stratospheric ozone transport and photochemistry / I. L. Karol. - Numerical methods of global transport of freons in the atmosphere and assessment of their effect on ozone / I. L. Karol, V. V. Babanova, A. A. Kiselev, L. A. Romanovskaya. - The stratosphere photo-chemical model / I. G. Dyominov. - The impact of galactic cosmic rays and solar proton events upon the ozone layer / I. G. Dyominov. - Mechanism of cosmic rays effect on earth ozonosphere / P. S. Vinogradov, I. K. Larin, A. I. Poroykova, V. L. Talrose. - Qualitative estimation of some stratospheric reactions rates based on orbital symmetry conservation rules / P. S. Vinogradov, I. K. Larin, V. L. Talrose, O. A. Travina. - On starting prerequisites of mesospheric ozone photochemical theory / G. M. Martynkevich. - Studies of ozone in urban atmosphere as an indicator of photochemical processes / V. A. Popov, L. N. Tchernyh, E. V. Pechennikova. - On the use of silver thin films for measuring of atomic oxygen concentration in the upper atmosphere / S. J. Toktomishev. - On the photochemistry of ozone in the laser sounding of the stratosphere / A. P. Sukhorukov, I. M. Sizova. - Aerosols and ozone in the lower stratosphere / A. P. Bobrovsky, V. N. Ivanov, L. S. Ivlev, V. G. Sirota. - III. THE INTERELAXION OF PROCESSES IN OZONOSPHERE WITH HYDROMETEOROLOGICAL PHENOMENA. - Spatial distribution of atmospheric ozone concentration over the USSR in the upper troposphere and lower stratosphere as derived from aircraft measurements / S. V. Solonin, V. V. Osetchkin. - Variations of the total ozone content of ozone depending on the type of jet streams and their comlexes / V. G. Bakhtiyarov, L. I. Bordovskaya, B. D. Belan. - The stratospheric circulation change in spring and preceeding to it the change of total ozone field in autumn / L. A. Uranova. - Some results of the investigation of ozone vertical distribution in the atmosphere in connection with meteorological phenomena / D. V. Harchilava. - Ozone vertical profiles and the solar activity / P. F. Bojchenko, Yu. N. Rybin. - The effect of solar activity on the general circulation and thermal regime of the atmosphere / L. R. Rakipova. - Seasonal variations of total ozone in the stratospheric circumpolar vortex / V. J. Bekoryukov. - On the relation of the total amount of atmospheric ozone and the near-ground concentrations of radioactive isotopes / V. J. Lujanas, V. K. Jocius, P. K. Zinkevichus. - A certain low-governed nature of ozone, radioactive and nonradioactive aerosols and electric field intensity distribution in the lower troposphere / A. G. Amiranashvily, A. A. Aphaidze, A. Sh. Balavadze, A. G. Nodia, D. V. Harchilava. - On a certain relation between ozone content in the atmosphere and thunderstorm hail phenomena under the conditions of East Georgia / D. V. Harchilava, A. I. Kartsivadze, T. G. Gzirishvily. - On the changeobility of ozone content during the thunderstorm situation / A. I. Kartsivadze, D. V. Harchilava. - Variation of atmospheric ozone and some parameters of jet streams / N. N. Vinogradova. , In kyrill. Schr. , Zsfassungen in engl. Sprache
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  • 73
    Monograph available for loan
    Monograph available for loan
    Gotha : Perthes
    Associated volumes
    Call number: AWI A3-17-90407
    In: Petermanns Geographische Mitteilungen : Ergänzungsheft ; 249
    Type of Medium: Monograph available for loan
    Pages: VII, 78 S. , graph. Darst. , 10 Kt.
    Series Statement: Petermanns geographische Mitteilungen 249
    Language: German
    Note: INHALTSÜBERSICHT: Vorwort. - EINLEITUNG. - I. KLIMAKLASSIFIKATIONEN. - 1. Großräumige Einteilungen. - 2. Einteilungen in Pflanzenreiche. - 3. Klassifikationen nach natürlichen Landschaften. - 4. Klassifikationen nach wirtschaftsgeographischen Gesichtspunkten. - 5. Klassifikationen nach hydrologischen Gesichtspunkten. - 6. Klassifikationen ohne schärfere Abgrenzung. - 7. Klassifikationen auf Grund der Beziehungen zwischen Klima und Pflanzenleben. - 8. Klassifikationen auf Grund eines Index. - 9. Klassifikationen auf Grund von Abgrenzungen durch meteorologische Schwellenwerte (z. T. unter Verwendung besonderer Indices). - 10. Klassifikation auf Grund von Luftmassen. - 11. Einteilungen der Windsysteme der Erde. - 12. Klimagramme. - 13. Graphische Methoden. - 14. Klassifikationsvorschläge nach biologischen und morphologisch-geologischen Gesichtspunkten. - 15. Reine Klimabeschreibungen. - II. TEILKLASSIFIKATIONEN. - 1. Abgrenzung einzelner Klimate. - (1) Allgemein. - (2) Kontinentalität und Ozeanität. - α) Nach Temperaturwerten. - β) Nach Niederschlagswerten. - γ) Nach verschiedenartigen Werten. - δ) Nach Luftkörpern. - (3) Trockengrenzen. - (4) Tropen. - (5) Gebirge. - (6) Geographisch benannte Klimate. - (7) Baumklimate. - (8) Agrarklimate. - 2. Klassifikationen von Teilen der Erdoberfläche. - 3. Ermittlung bestimmter für die Klassifikationen wesentlicher Klimagrößen. - (1) Verdunstung. - (2) Reduzierte Regenmengen. - (3) Relative Temperaturen. - (4) Effektiver Niederschlag und aktive Temperatur. - (5) Jahresgangzahlen. - III. BETRACHTUNG DES GESAMTPROBLEMS. - 1. Begriffsbestimmungen. - (1) Verschiedene Stellungnahmen. - (2) Zusammenfassender Vorschlag. - (3) Betrachtung einzelner Klassifikationen hinsichtlich der gewählten Begriffe. - 2. Grundlagen für die Benennung der Klimate. - 3. Zur Methodik der Klassifikation. - (1) Allgemein. - α) Verschiedene Stellungnahmen. - β) Welche Klimate sollen klassifiziert werden?. - γ) Wie soll die Klassifikation erfolgen?. - (2) Die einzelnen Klassifikationselemente. - (3) Einzelwerte und Mittelwerte. - IV. VERGLEICH EINIGER KLASSIFIKATIONEN. - 1. Verschiedene Stellungnahmen. - 2. Vergleich mittels kartenmäßiger Darstellungen. - ZUSAMMENFASSUNG. - LITERATURVERZEICHNIS. - Verzeichnis der Räume mit kartierten Klimaten. - ZEHN KLIMAKARTEN VON EUROPA (BEILAGE):1. nach Supan (1916). - 2. nach Hettner (1930). - 3. nach Köppen-Geiger (1928). - 4. nach Philippson (1933). - 5. nach Philippson (1933). - 6. nach v. Wißmann (1939). - 7. nach Blair (1949). - 8. nach Gorczyński (1945). - 9. nach Thornthwaite (1933). - 10. nach Creutzburg (1950).
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  • 74
    Monograph available for loan
    Cambridge, United Kingdom : Cambridge University Press
    Call number: AWI A2-17-90931
    Description / Table of Contents: Climate change is one of the greatest threats facing humanity; a definitive manifestation of the well-worn links between progress and devastation. This book explores the complex relationship that the corporate world has with climate change, and examines the central role of corporations in shaping political and social responses to the climate crisis. The book's principal message is that despite the need for dramatic economic and political change, corporate capitalism continues to rely upon the maintenance of 'business as usual'. The authors explore the different processes through which corporations engage with climate change. Key discussion points include climate change as business risk; corporate climate politics; the role of justification and compromise; and managerial identity and emotional reactions to climate change. Written for researchers and graduate students, this book moves beyond descriptive and normative approaches to provide a sociologically and critically informed theory of corporate responses to climate change.
    Type of Medium: Monograph available for loan
    Pages: XIII, 254 Seiten , Diagramm , 23 cm
    Edition: 1st published 2015, Reprinted 2016
    ISBN: 9781107435131 (paperback) , 9781107078222 (hardback)
    URL: Cover
    Language: English
    Note: Contents: List of figures. - List of tables. - Foreword by Clive Hamilton. - Acknowledgements. - 1. Climate change and corporate capitalism. - 2. Creative self-destruction and the incorporation of critique. - 3. Climate change and the corporate construction of risk. - 4. Corporate political activity and climate coalitions. - 5. Justification, compromise, and corruption. - 6. Climate change, managerial identity and narrating the self. - 7. Emotions, corporate environmentalism and climate change. - 8. Political myths and pathways forward. - 9. Imagining alternatives. - Appendix. - References. - Index.
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  • 75
    Call number: AWI P10-17-91055
    Type of Medium: Monograph available for loan
    Pages: 164 S. , Ill., graph. Darst., Kt.
    Language: German
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  • 76
    Call number: AWI S1-16-89841
    Description / Table of Contents: This book covers the basics of processing and spectral analysis of monovariate discrete-time signals. The approach is practical, the aim being to acquaint the reader with the indications for and drawbacks of the various methods and to highlight possible misuses. The book is rich in original ideas, visualized in new and illuminating ways, and is structured so that parts can be skipped without loss of continuity. Many examples are included, based on synthetic data and real measurements from the fields of physics, biology, medicine, macroeconomics etc., and a complete set of MATLAB exercises requiring no previous experience of programming is provided. Prior advanced mathematical skills are not needed in order to understand the contents: a good command of basic mathematical analysis is sufficient. Where more advanced mathematical tools are necessary, they are included in an Appendix and presented in an easy-to-follow way. With this book, digital signal processing leaves the domain of engineering to address the needs of scientists and scholars in traditionally less quantitative disciplines, now facing increasing amounts of data.
    Type of Medium: Monograph available for loan
    Pages: xxiv, 900 Seiten , Illustrationen
    ISBN: 978-3-319-25466-1
    Series Statement: Signals and Communication Technology
    Language: English
    Note: Contents: 1 Introduction. - 1.1 Chapter Summary. - 1.2 The Meaning of the Book’s Title. - 1.3 Historical Background. - 1.4 How to Read This Book. - 1.5 Further Reading. - References. - PART 1 BASIC THEORETICAL CONCEPTS. - 2 Discrete-Time Signals and Systems. - 2.1 Chapter Summary. - 2.2 Basic Definitions and Concepts. - 2.3 Discrete-Time Signals: Sequences. - 2.3.1 Basic Sequence Operations. - 2.3.2 Basic Sequences. - 2.3.3 Deterministic and Random Signals. - 2.4 Linear Time-Invariant (LTI) Systems. - 2.4.1 Impulse Response of an LTI System and Linear Convolution. - 2.4.2 An Example of Linear Convolution. - 2.4.3 Interconnections of LTI Systems. - 2.4.4 Effects of Stability and Causality Constraints on the Impulse Response of an LTI System. - 2.4.5 Finite (FIR) and Infinite (IIR) Impulse Response Systems. - 2.4.6 Linear Constant-Coefficient Difference Equation (LCCDE). - 2.4.7 Examples of LCCDE. - 2.4.8 The Solutions of an LCCDE. - 2.4.9 From the LCCDE to the Impulse Response: Examples. - 2.4.10 Eigenvalues and Eigenfunctions of LTI Systems. - References. - 3 Transforms of Discrete-Time Signals. - 3.1 Chapter Summary. - 3.2 z-Transform. - 3.2.1 Examples of z-Transforms and Special Cases. - 3.2.2 Rational z-Transforms. - 3.2.3 Inverse z-Transform. - 3.2.4 The z-Transform on the Unit Circle. - 3.2.5 Selected z-Transform Properties. - 3.2.6 Transfer Function of an LTI System. - 3.2.7 Output Sequence of an LTI System. - 3.2.8 Zeros and Poles: Forms for Rational Transfer Functions. - 3.2.9 Inverse System. - 3.3 Discrete-Time Fourier Transform (DTFT). - 3.3.1 An Example of DTFT Converging in the Mean-Square Sense. - 3.3.2 Line Spectra. - 3.3.3 Inverse DTFT. - 3.3.4 Selected DTFT Properties. - 3.3.5 The DTFT of a Finite-Length Causal Sequence. - 3.4 Discrete Fourier Series (DFS). - 3.4.1 Selected DFS Properties. - 3.4.2 Sampling in the Frequency Domain and Aliasing in the Time Domain. - 3.5 Discrete Fourier Transform (DFT). - 3.5.1 The Inverse DFT in Terms of the Direct DFT. - 3.5.2 Zero Padding. - 3.5.3 Selected DFT Properties. - 3.5.4 Circular Convolution Versus Linear Convolution. - 3.6 Fast Fourier Transform (FFT). - 3.7 Discrete Trigonometric Expansion. - 3.8 Appendix: Mathematical Foundations of Signal Representation. - 3.8.1 Vector Spaces. - 3.8.2 Inner Product Spaces. - 3.8.3 Bases in Vector Spaces. - 3.8.4 Signal Representation by Orthogonal Bases. - 3.8.5 Signal Representation by Standard Bases. - 3.8.6 Frames and Biorthogonal Bases. - 3.8.7 Summary and Complements. - References. - 4 Sampling of Continuous-Time Signals. - 4.1 Chapter Summary. - 4.2 Sampling Theorem. - 4.3 Reconstruction of a Continuous-Time Signal from Its Samples. - 4.4 Aliasing in the Frequency Domain and Anti-Aliasing Filter. - 4.5 The Uncertainty Principle for the Analog Fourier Transform. - 4.6 Support of a Continuous-Time Signal in the Time and Frequency Domains. - 4.7 Appendix: Analog and Digital Frequency Variables. - References. - 5 Spectral Analysis of Deterministic Discrete-Time Signals. - 5.1 Chapter Summary. - 5.2 Issues in Practical Spectral Analysis. - 5.2.1 The Effect of Windowing. - 5.2.2 The Effect of Spectral Sampling. - 5.3 Classical Windows. - 5.4 The Kaiser Window. - 5.5 Energy and Power Signals and Their Spectral Representations. - 5.6 Correlation of Deterministic Discrete-Time Signals. - 5.6.1 Correlation of Energy Signals. - 5.6.2 Correlation of Power Signals. - 5.6.3 Effect of an LTI System on Correlation Properties of Input and Output Signals. - 5.7 Wiener-Khinchin Theorem. - 5.7.1 Energy Signals and Energy Spectrum. - 5.7.2 Power Signals and Power Spectrum. - References. - PART 2 DIGITAL FILTERS. - 6 Digital Filter Properties and Filtering Implementation. - 6.1 Chapter Summary. - 6.2 Frequency-Selective Filters. - 6.3 Real-Causal-Stable-Rational (RCSR) Filters. - 6.4 Amplitude Response. - 6.5 Phase Response. - 6.5.1 Phase Discontinuities and Zero-Phase Response. - 6.5.2 Linear Phase (LP). - 6.5.3 Generalized Linear Phase (GLP). - 6.5.4 Constraints on GLP Filters. - 6.6 Digital Filtering Implementation. - 6.6.1 Direct Forms. - 6.6.2 Transposed-Direct Forms. - 6.6.3 FIR Direct and Transposed-Direct Forms. - 6.6.4 Direct and Transposed-Direct Forms for LP FIR Filters. - 6.6.5 Cascade and Parallel Forms. - 6.7 Zero-Phase Filtering. - 6.8 An Incorrect Approach to Filtering. - 6.9 Filtering After Downsampling. - 6.9.1 Theory of Downsampling. - 6.9.2 An Example of Filtering After Downsampling. - References. - 7 FIR Filter Design. - 7.1 Chapter Summary. - 7.2 Design Process. - 7.3 Specifications of Digital Filters. - 7.3.1 Constraints on the Magnitude Response. - 7.3.2 Constraints on the Phase Response. - 7.4 Selection of Filter Type: IIR or FIR?. - 7.5 FIR-Filter Design Methods and Approximation Criteria. - 7.6 Properties of GLP FIR Filters. - 7.6.1 Factorization of the Zero-Phase Response. - 7.6.2 Zeros of the Transfer Function. - 7.6.3 Another Form of the Adjustable Term. - 7.7 Equiripple FIR Filter Approximations: Minimax Design. - 7.8 Predicting the Minimum Filter Order. - 7.9 MPR Algorithm. - 7.10 Properties of Equiripple FIR Filters. - 7.11 The Minimax Method for Bandpass Filters. - References. - 8 IIR Filter Design. - 8.1 Chapter Summary. - 8.2 Design Process. - 8.3 Lowpass Analog Filters. - 8.3.1 Laplace Transform. - 8.3.2 Transfer Function and Design Parameters. - 8.4 Butterworth Filters. - 8.5 Chebyshev Filters. - 8.5.1 Chebyshev-I Filters. - 8.5.2 Chebyshev-II Filters. - 8.6 Elliptic Filters. - 8.7 Normalized and Non-normalized Filters. - 8.8 Comparison Among the Four Analog Filter Types. - 8.9 From the Analog Lowpass Filter to the Digital One. - 8.9.1 Bilinear Transformation. - 8.9.2 Design Procedure. - 8.9.3 Examples. - 8.10 Frequency Transformations. - 8.10.1 From a Lowpass to a Highpass Filter. - 8.10.2 From a Lowpass to a Bandpass Filter. - 8.10.3 From a Lowpass to a Bandstop Filter . - 8.11 Direct Design of IIR Filters. - 8.12 Appendix. - 8.12.1 Trigonometric Functions with Complex Argument. - 8.12.2 Elliptic Integrals. - 8.12.3 Jacobi Elliptic Functions. - 8.12.4 Landen-Gauss Transformation. - 8.12.5 Elliptic Rational Function. - References. - PART 3 SPECTRAL ANALYSIS. - 9 Statistical Approach to Signal Analysis. - 9.1 Chapter Summary. - 9.2 Preliminary Considerations. - 9.3 Random Variables. - 9.4 Ensemble Averages. - 9.5 Stationary Random Processes and Signals. - 9.6 Ergodicity. - 9.7 Wiener-Khinchin Theorem for Random Signals and Power Spectrum. - 9.8 Cross-Power Spectrum of Two Random Signals. - 9.9 Effect of an LTI System on a Random Signal. - 9.10 Estimation of the Averages of Ergodic Stationary Signals. - 9.10.1 General Concepts in Estimation Theory. - 9.10.2 Mean and Variance Estimation. - 9.10.3 Autocovariance Estimation. - 9.10.4 Cross-Covariance Estimation. - 9.11 Appendix: A Road Map to the Analysis of a Data Record. - References. - 10 Non-Parametric Spectral Methods. - 10.1 Chapter Summary. - 10.2 Power Spectrum Estimation. - 10.3 Periodogram. - 10.3.1 Bias. - 10.3.2 Variance. - 10.3.3 Examples. - 10.3.4 Variance Reduction by Band- and Ensemble-Averaging. - 10.4 Bartlett’s Method. - 10.5 Modified Periodogram. - 10.6 Welch’s Method. - 10.7 Blackman-Tukey Method. - 10.8 Statistical Significance of Spectral Peaks. - 10.9 MultiTaper Method. - 10.10 Estimation of the Cross-Power Spectrum of Two Random Signals. - 10.11 Use of the FFT in Power Spectrum Estimation. - 10.12 Power Spectrum Normalization. - References. - 11 Parametric Spectral Methods. - 11.1 Chapter Summary. - 11.2 Signals with Rational Spectra . - 11.3 Stochastic Models and Processes. - 11.3.1 Autoregressive-Moving Average (ARMA) Model. - 11.3.2 Autoregressive (AR) Model. - 11.3.3 Moving Average (MA) Model. - 11.3.4 How the AR and MA Modeling Approaches Are Theoretically Related. - 11.3.5 First-Order AR and MA Models: White, Red and Blue Noise. - 11.3.6 Higher-Order AR Models. - 11.4 The AR Approach to Spectral Estimation. - 11.5 AR Modeling and Linear Prediction. - 11.6
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  • 77
    Series available for loan
    Series available for loan
    Hamburg : maribus gGmbH
    Associated volumes
    Call number: AWI G2-17-91188
    In: World ocean review, 5
    Type of Medium: Series available for loan
    Pages: 207 Seiten , Illustrationen, graphische Darstellungen
    ISBN: 978-3-86648-274-6
    Series Statement: World ocean review 5
    Language: German
    Note: Inhalt: Vorwort. - 1. Die Dynamik der Küsten. - Vom Werden und Vergehen der Küsten. - Die vielen Gesichter der Küsten. - Conclusio: Die Gestalt unserer Küsten – eine lange und wechselvolle Geschichte. - 2. Mit den Küsten leben. - Die Leistung der Küsten. - Küsten unter Druck. - Conclusio: Immense Leistung, immenser Druck 3. Bedrohung durch Klimawandel und Naturgefahren. - Der Klimawandel und die Küsten. - Vom Kampf gegen Naturgefahren. - Conclusio: Klimawandel und Naturgefahren bedrohen die Küsten. - 4. Küsten besser schützen. - Die Kunst, Küsten zu verwalten. - Dem Meeresspiegelanstieg begegnen. - Conclusio: Gemeinsam für eine schonende Nutzung und einen besseren Schutz. - Gesamt-Conclusio. - Glossar. - Abkürzungen. - Quellenverzeichnis. - Abbildungsverzeichnis. - Index. - Mitwirkende. - Partner und Danksagung. - Impressum.
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  • 78
    Monograph available for loan
    Monograph available for loan
    Sosnowiec : Uniwersytet Śląski, Instytut Geografii
    Call number: AWI P9-83-1079
    Type of Medium: Monograph available for loan
    Pages: 248 Seiten , Illustrationen, Karten
    Language: Polish
    Note: Contents: A snow cover in the region of Fiord Hornsund on Spitsbergen / J. Pereyma. - Temperature rations in summer on the Waldemar Glacier and on the Waldemar sea lowland / G. Wójcik, K. Marciniak, R. Przybylak. - Precipitation and evaporation in Werenskiold Glacier district / A. Szczepankiewicz-Szmyrka. - Biometeorological conditions on the Werenskiold Glacier forefield in summer of 1980 / A. Szczepankiewicz-Szmyrka. - Some notes on wind directions in the West Spitsbergen in 1980 / K. Gerstmann. - Radar measurements of the thickness of the Werenskiold Glacier / R. Czajkowski - The analysis of movements of the Werenskiold Glacier based on dating of fossil moss / H. Chmal - Increase in the mass of the firn snow in the glacial amphiteatre of the Penck Glacier in the period 1934 to 1958 / C. Lipert - Some automatic systems to collect and transmission stored data using various radio-links / J. Molski. - Würm and Holocene glaciations of North-Western Sörkappland exemplified by the Slakli Valley, Spitsbergen / P. Kłysz, L. Lindner. - The marine origin of Lisbetdalen mezorelief SW Spitsbergen / W. Stankowski - Raised marine terraces of Kulmstranda North-Western Sörkappland / P. Kłysz, L. Lindner - The geomorphological sketch map of the Gåsdalen region, South Spitsbergen / J. Jania, Z. Lentowicz, T. Szczypek, J. Wach. - Last deglaciation of Treskelen Peninsula, Hornsund, Svalbard / L. Marks. - The recession of Vitkovski Glacier as recorded in its marginal zone / L. Andrzejewski, w. Stankowski. - Degradation processes on the end moraine of the Werenskiold Glacier / J. Cegła, J. Kida. - Studies of the dessication crack on the forefield of the Werenskiold Glacier / J. Cegła. - The beginning and evolution of the marginal outwash on the forefield of the Eliza Glacier / A. Olazewski. K. Sendobry. - Summer thawing of the ground in the Kaffiöyra, SW Spitsbergen / K. Marciniak, W. Szczepanik, R. Przybylak - Morphology and sedimentary environments of the Baszkara ·and Dzankuat Glaciers in the High Kaukas / A. Karczewski, A. Kostrzewski,P. W. Kowalew. - Stratigraphic position and remarks on sedimentation of the Brentskardhaugen Bed, Spitsbergen / A. Wierzbowski, G. Biernat, C. Kulicki. - Some remarks concerning the structure of groups of the bottom fauna of the Admiralty Bay - King George Island, South Shetland / P. Presler, K. Jażdżewski·, W. Jurasz, W. Kittel, J. Siciński. - Biological indexes of the hydrological conditions - observations from Hornsund region, Spitsbergen / J. M. Węsławski. - The habitability of the littoraly rocks in region Steinvika and Hyttevika Bays, Vestspitsbergen / O. Różycki, M. Gruszczynski. - Some aspects of the acoustical estimation of the krill abundance / M. Brzozowska. - Liberation of carbon dioxide from tundra soils / H. Dziadowiec. - Exploration in the Hornsundfiord region / J. Szupryczyński. - , In polnischer Sprache
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  • 79
    Call number: AWI G6-18-91535
    Type of Medium: Dissertations
    Pages: Getr. Zählung: Ill., graph. Darst.
    Language: German
    Note: Karlsruhe, Univ., Diss., 1981 , INHALT: Zusammenfassung. - 1. Einleitung. - 1.1 Stand der Carbonatitforschung: experimentelle Untersuchungen und Bildungshypothesen. - 1.2 Mikrothermische Untersuchungen an fluiden Einschlüssen in Carbonatitmineralen. - 1.3 Der Carbonatit des Kaiserstuhls. - 1.4 Problemstellung, Methodisches. - 2. Das Probenmaterial. - 2.1 Proherrnahme und Aufbereitung. - 2.2 Probenpräparation für die Einschlußuntersuchungen. - 2.3 Optische Untersuchung, Phänomenologie. - 2.31 Anordnung, Verwachsungen und Habitus der Apatite. - 2.32 Die Einschlüsse der Apatite. - 2.321 Cavitätenformen, Füllungen, Dimensionen. - 2.322 Kriterien für primäre Einschlußbildung und sekundäre Veränderungen. - 2.323 Unterschiedliche Einschlußführung in Apatiten und anderen Mineralen. - 3. Apparaturen. - 3.1 Die mikrothermische Apparatur. - 3.11 Konzeption und Ausführung des Beiz-Kühltisches. - 3.12 Eichung des Beiz-Kühltisches. - 3.13 Präzision und Probleme im Meßbetrieb. - 3.2 Kühlplatte. - 3.3 Quetschtisch. - 4. Zur Theorie der Einschlußuntersuchungen. - 4.1 Geometrische Berechnungen. - 4.11 Berechnung des Cavitätenvolumens. - 4.12 Fehlerdiskussion. - 4.13 Grenzen der optischen Auflösung. - 4.2 Zur Theorie der Phasenverhältnisse. - 4.21 Einschlußbildung und Phasentrennung. - 4.22 Phasenverhältnisse in Einkomponentensystemen, Homogenisierungskurven. - 4.23 Phasenverhältnisse in Wasser-Salz-Systemen: H2O-NaCl; H2O-NaCl-KCl. - 4.24 Phasenverhältnisse in Wasser-Gas-Systemen: CO2-H2O. - 5. Konstruktion der Phasendiagramme. - 5.1 H2O. - 5.2 CO2. - 5.3 H2O-NaCl. - 5.4 CO2-H2O. - 5.5 Wasser-Salzsysteme mit kritischen Endpunkten (PQ-Systeme). - 5.6 Wasser-Salzsysteme bei stark positivem Temperaturkoeffizient der Löslichkeit der Salzkomponente: H2O-KCl, H2O-NaCl-KCl. - 5.7 System CO2-H2O-NaCl. - 6. Untersuchungsergebnisse. - 6.1 Experimentelle Untersuchungen an einzelnen Einschlüssen: Mikrothermometrie und destruktive Methoden. - 6.11 Einphasige Einschlüsse mit Gasfüllung. - 6.12 Calcit als Einphaseneinschluß im Apatit. - 6.13 Zweiphaseneinschlüsse L+V. - 6.14 Dreiphaseneinschlüsse LH2O + LCO2 +V. - 6.15 Einschlüsse mit übersättigten Lösungen (Multiphaseneinschlüsse). - 6.16 Fluide Einschlüsse im Calcit des Carbonatits. - 6.2 Analytische Untersuchungen. - 6.21 Kationen und Anionen in wäßrigen Extrakten des Apatitmahlgutes. - 6.22 Bitumenphasen in organischen Solventextrakten. - 6.23 Gasanalytische Messungen. - 7. Genetische Interpretation der Einschlußresultate. - 7.1 Das Subsystem H2O-Salzphasen. - 7.11 H2O-NaCl. - 7.12 H2O-NaCl-Na2SO4/Na2CO3. - 7.13 H2O-NaCl-KCl. - 7.2 Druckmodelle im seichten, subvulkanischen Niveau. - 7.21 Hydrostatische Bedingungen. - 7.22 Lithostatische Bedingungen. - 7.3 Das Subsystem CO2-H2O 7.4 Kombination der Teilsysteme, das System CO2-H2O-NaCl bei volumenkontrollierten Bedingungen. - 7.5 Zusammenfassung und Vergleich mit den Resultaten aus anderen Carbonatitlokalitäten. - 8. Petrogenetische Schlußfolgerungen. - 8.1 Magmatische Carbonatitintrusion und autometasomatische Folgeprozesse. - 8.2 Hydrothermaltransport des Calcits. - 8.3 Überlegungen zur Herkunft der Salzphasen. - 8.4 Künftige, weiterführende Untersuchungen. - 8.5 Zusammenfassung. - 9.0 Anhang I Abbildungen. - 10.0 Anhang II Originalmeßwerte.
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  • 80
    Monograph available for loan
    Monograph available for loan
    Berlin : Walter de Gruyter
    Call number: AWI G2-18-91886
    Type of Medium: Monograph available for loan
    Pages: VIII, Seiten [768-940] , Illustrationen
    Edition: Nachdruck
    ISBN: 3110072815
    Language: German
    Note: Inhalt: 8. Meereis. - Phänomene, Genese und Morphologie. - Zur Erforschung des Meereises. - Das Meereis als komplexe Erscheinung. - Das Meereis als Substrat. - Eisbildung und Gefriervorgänge. - Eisbildung auf dem Meere und Struktur der Meereisdecke. - Eisnomenklatur. - Formen des Meereises und Definitionen (Klassifikation). - Ejsbildungsphänomene an der oberen Grenzschicht des Meeres. - Schiffsvereisung, eine Erscheinung der Grenzschicht Hydrosphäre - Atmosphäre (Ozean - Luft). - Meereis an Küsten. - Eisbildung am Strand. - Eis und Eisbildung auf Watten. - Eisbildung an Steilküsten. - Das Meereis des Nordpolarmeeres und seiner Randmeere. - Zur Erforschung des Nordpolarmeeres und des polaren Meereises. - Nansen's Drift mit der „Fram" im Nordpolarmeer. - Die Driftbewegungen des arktischen Meereises des Nordpolarmeeres mit seinen Randmeeren. - Die Dynamik des Meereises im Nordpolarmeer nach Drifteis-Stationen. - Die jahreszeitliche Schwankung der Eisbedeckung des Nordpolarmeeres. - Form des Meeresbodens des Nordpolarmeeres. - Bilanz und Wassermassenaustausch des Nordpolarmeeres mit dem Atlantischen und Pazifischen Ozean. - Die Vereisung des Nordpolarmeeres und seiner Randmeere in ihrem Zusammenhang mit dem Wasserhaushalt. - Anthropogene Eingriffe und Projekte zur Veränderung der polaren Umwelt. - Eis des Meeres als Hindernis für den Seeverkehr. - Das Eis als besondere Grenzschicht des Meeres für die Schiffahrt. - Die Nordostpassage, arktischer Seeweg zwischen Atlantischem und Pazifischem Ozean innerhalb des eurasischen Kontinents: der sibirische Seeweg. - Der sibirische Seeweg. - Die Nordwestpassage - arktische Seeverbindung zwischen Atlantischem und Pazifischem Ozean um den nordamerikanischen Kontinent. - Erdöl in den Randmeeren des Nordpolarmeeres: Transportproblem und Ausbeute. - Umweltbedingungen und Nutzung der arktischen Region. - Meereis im Nordatlantischen Ozean und Nebenmeeren. - Eisberge im Nordatlantischen Ozean und Eis um Grönland. - Eiserkundung mit Luft- und Satellitenbildern. - Die Vereisung der Ostsee. - Zur Vereisung von Nebenmeeren in Nordamerika. - Das Meereis im Jahreshaushalt. - Wirkung und Mechanismus von Flußsystemen auf Wasser und Eis des Nordpolarmeeres. - Eisbedeckung des Nordpolarmeeres und Klimaschwankungen. - Das Meereis der Antarktis. - Zur Erforschung des Meereises um die Antarktis. - Die Eisschelfe: Größe, Form, Entstehung, Haushalt. - Eisberge der Antarktis. - Packeis der antarktischen Meeresregionen. - Eisgrenzen und Wassermassen des Südpolarmeeres. - Das Meereis, besonders der Antarktis, als klimatischer Faktor. - Die Polkappen der Erde im Satellitenbild. - Nachtrag (Ergänzung). - Mehrjährige Variation der antarktischen Meereisbedeckung (Südpolarregion). - Antarktischer Meereisaufbruch im Satellitenbild. - Die Eiskappe der Antarktis. - Der Meeresboden des Südpolarmeeres in bathymetnschen Profilen. - Rechtsverhältnisse der Antarktis und des südlichen Polarmeers. - Zur gegenwärtigen Polarforschung der BRD. - Polarexpeditionen der BRD. - Zu den Rechtsverhältnissen im Nordpolarmeer. - Das Polarmeer in morphographischer Darstellung. - Dynamik von Packeisfeldern (Ergänzung). - Literatur. - Institutionen zur Polarforschung. - Eisschlüssel und Eissymbole. - Sachregister.
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  • 81
    Call number: PIK N 456-18-91895 ; AWI A5-18-91895
    Type of Medium: Monograph available for loan
    Pages: xv, 569 Seiten , Illustrationen, Diagramme, Karten
    ISBN: 9780128117149
    Language: English
    Note: Contents: Contributors. - Preface. - Acknowledgements. - PART I SETTING THE SCENE. - 1. Introduction: Why Sub-seasonal to Seasonal Prediction (S2S)? / Frédéric Vitart, Andrew W. Robertson. - 1 History of Numerical Weather and Climate Forecasting. - 2 Sub-seasonal to Seasonal Forecasting. - 3 Recent National and International Efforts on Sub-seasonal to Seasonal Prediction. - 4 Structure of This Book. - 2. Weather Forecasting: What Sets the Forecast Skill Horizon? / Zoltan Toth, Roberto Buizza. - 1 Introduction. - 2 The Basics of Numerical Weather Prediction. - 3 The Evolution of NWP Technique. - 4 Enhancement of Predictable signals. - 5 Ensemble Techniques: Brief Introduction. - 6 Expanding the forecast skill Horizon. - 7 Concludmg Remarks: Lessons for S2S Forecasting. - Acknowledgements. - 3. Weather Within Climate: Sub-seasonal Predictability of Tropical Daily Rainfall Characteristics / Vincent Moron, Andrew W. Robertson, Lei Wang. - 1 Introduction. - 2 Data and Methods. - 3 Results. - 4 Discussion and Concluding Remarks. - 4. Identifying Wave Processes Associated With Predictability Across Time Scales: An Empirical Normal Mode Approach / Gilbert Brunet, John Methven. - 1 Introduction. - 2 Partitioning Atmospheric Behavior Using Its Conservation Properties. - 3 The ENM Approach to Observed Data and Models and Its Relevance to S2S Dynamics and Predictability. - 4 Conclusion. - Acknowledgments. - PART II SOURCES OF S2S PREDICTABILITY. - 5. The Madden-Julian Oscillation / Steven J. Woolnough. - 1 Introduction. - 2 The Real-Time Multivariate MJO Index. - 3 Observed MJO Structure. - 4 The Relationship Between the MJO and Tropical and Extratropical Weather. - 5 Theories and Mechanisms for MJO Initiation, Maintenance, and Propagation. - 6 The Representation of the MJO in Weather and Climate Models. - 7 MJO Prediction. - 8 Future Priorities for MJO Research for S2S Prediction. - Acknowledgments. - 6. Extratropical Sub-seasonal to Seasonal Oscillations and Multiple Regimes: The Dynamical Systems View / Michael Ghil, Andreas Groth, Dmitri Kondrashov, Andrew W. Robertson. - 1 Introduction and Motivation. - 2 Multiple Midlatitude Regimes and Low-Frequency Oscillations. - 3 Extratropical Oscillations in the S2S Band. - 4 Low-Order, Data-Driven Modeling, Dynamical Analysis, and Prediction. - 5 Concluding Remarks. - Acknowledgments. - 7. Tropical-Extratropical Interactions and Teleconnections / Hai Lin, Jorgen Frederiksen, David Straus, Christiana Stan. - 1 Introduction. - 2 Tropical Influence on the Extratropical Atmosphere. - 3 Extratropical Influence on the Tropics. - 4 Tropical-Extratropical, Two-Way Interactions. - 5 Summary and Discussion. - Appendix. Technical Matters Relating to Section 4.2. - 8. Land Surface Processes Relevant to Sub-seasonal to Seasonal (S2S) Prediction / Paul A. Dirmeyer, Pierre Gentine, Michael B. Ek, Gianpaolo Balsamo. - 1 Introduction. - 2 Process of Land-Atmosphere Interaction. - 3 A Brief History of Land-Surface Models. - 4 Predictability and Prediction. - 5 Improving Land-Driven Prediction. - 9. Midlatitude Mesoscale Ocean-Atmosphere Interaction and Its Relevance to S2S Prediction / R. Saravanan, P. Chang. - 1 Introduction. - 2 Data and Models. - 3 Mesoscale Ocean-Atmosphere Interaction in the Atmospheric Boundary Layer. - 4 Local Tropospheric Response. - 5 Remote Tropospheric Response. - 6 Impact on Ocean Circulation. - 7 Implications for S2S Prediction. - 8 Summary and Conclusions. - Acknowledgments. - 10. The Role of Sea Ice in Sub-seasonal Predictability / Matthieu Chevallier, François Massonnet, Helge Goessling, Virginie Guémas, Thomas Jung. - 1 Introduction. - 2 Sea Ice in the Coupled Atmosphere-Ocean System. - 3 Sea Ice Distribution, Seasonality, and Variability. - 4 Sources of Sea Ice Predictability at the Sub-seasonal to Seasonal Timescale. - 5 Sea Ice Sub-seasonal to Seasonal - Predictability and Prediction Skill in Models. - 6 Impact of Sea Ice on Sub-seasonal Predictability. - 7 Concluding Remarks. - Acknowledgments. - 11. Sub-seasonal Predictability and the Stratosphere / Amy Butler, Andrew Charlton-Perez, Daniela I. V. Domeisen, Chaim Garfinkel, Edwin P. Gerber, Peter Hitchcock, Alexey Yu. Karpechko, Amanda C. Maycock, Michael Sigmond, Isla Simpson, Seok-Woo Son. - 1 Introduction. - 2 Stratosphere-Troposphere Coup ling in the Tropics. - 3 Stratosphere-Troposphere Coupling in the Extratropics. - 4 Predictability Related to Extratropical Stratosphere-Troposphere Coupling. - 5 Summary and Outlook. - PART Ill S2S MODELING AND FORECASTING. - 12. Forecast System Design, Configuration, and Complexity / Yuhei Takaya. - 1 Introduction. - 2 Requirements and Constraints of the Operational Sub-seasonal Forecast. - 3 Effect of Ensemble Size and Lagged Ensemble. - 4 Real-Time Forecast Configuration. - 5 Reforecast Configuration. - 6 Summary and Concluding Remarks. - Acknowledgments. - 13. Ensemble Generation: The TIGGE and S2S Ensembles / Roberto Buizza. - 1 Global Sub-seasonal and Seasonal Prediction Is an Initial Value Problem. - 2 Ensembles Provide More Complete and Valuable Information Than Single States. - 3 A Brief Introduction to Data Assimilation. - 4 A Brief Introduction to Model Uncertainty Simulation. - 5 An Overview of Operational, Global, Sub-seasonal, and Seasonal Ensembles, and Their Initialization and Generation Methods. - 6 Ensembles: Considerations About Their Future. - 7 Summary and Key Lessons. - 14. GCMs With Full Representation of Cloud Microphysics and Their MJO Simulations / In-Sik Kang, Min-Seop Ahn, Hiroaki Miura, Aneesh Subramanian. - 1 Introduction. - 2 Global CRM. - 3 Superparameterized GCM. - 4 GCM With Full Representation of Cloud Microphysics and Scale-Adaptive Convection. - 5 Summary and Conclusion. - Acknowledgments. - 15. Forecast Recalibration and Multimodel Combination / Stefan Siegert, David B. Stephenson. - 1 Introduction. - 2 Statistical Methods for Forecast Recalibration. - 3 Regression Methods. - 4 Forecast Combination. - 5 Concluding Remarks. - Acknowledgments. - 16. Forecast Verification for S2S Timescales / Caio A. S. Coelho, Barbara Brown, Laurie Wilson, Marion Mittermaier, Barbara Casati. - 1 Introduction. - 2 Factors Affecting the Design of Verification Studies. - 3 Observational References. - 4 Review of the Most Common Verification Measures. - 5 Types of S2S Forecasts and Current Verification Practices. - 6 Summary, Challenges, and Recommendations in S2S Verification. - PART IV S2S APPLICATIONS. - 17. Sub-seasonal to Seasonal Prediction of Weather Extremes / Frédérik Vitart, Christopher Cunningham, Michael Deflorio, Emanuel Dutra, Laura Ferranti, Brian Golding, Debra Hudson, Charles Jones, Christophe Lavaysse, Joanne Robbins, Michael K. Tippett. - 1 Introduction. - 2 Prediction of Large-Scale, Long-Lasting Extreme Events. - 3 Prediction of Mesoscale Events. - 4 Display and Verification of Sub-seasonal Forecasts of Extreme Events. - 5 Conclusions. - 18. Pilot Experiences in Using Seamless Forecasts for Early Action: The "Ready-Set-Go!" Approach in the Red Cross / Juan Bazo, Roop Singh, Mathieu Destrooper, Erin Coughlan de Perez. - 1 Introduction. - 2 Why Sub-seasonal?. - 3 Case Study: Peru El Niño. - 4 Reflections on the Use of S2S Forecasts. - 5 Conclusions. - 19. Communication and Dissemination of Forecasts and Engaging User Communities / Joanne Robbins, Christopher Cunningham, Rutger Dankers, Matthew Degennaro, Giovanni Dolif, Robyn Duell, Victor Marchezini, Brian Mills, Juan Pablo Sarmiento, Amber Silver, Rachel Trajber, Andrew Watkins. - 1 Introduction. - 2 Sector-Specific Methods and Practices in S2S Forecast Communication, Dissemination, and Engagement. - 3 Guiding principles for improved communication Practices. - 4 Summary and Recommendations for Future Research. - 20. Seamless Prediction of Monsoon Onset and Active/Break Phases / A.
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  • 82
    Series available for loan
    Series available for loan
    Leipzig : Akademie der Wissenschaften der DDR, Zentralinstitut für Isotopen- und Strahlenforschung
    Associated volumes
    Call number: ZSP-980-90
    In: ZfI-Mitteilungen, Nr. 90
    Type of Medium: Series available for loan
    Pages: 358 Seiten , Illustrationen
    ISSN: 0323-8776
    Series Statement: ZfI-Mitteilungen 90
    Language: German
    Note: Inhaltsverzeichnis: 1. Wissenschaftliche Beiträge. - (01) Isotopen- und elementgeochemische sowie radiogeochronologische Untersuchungen an der Zinnlagerstätte Ehrenfriedersdorf (Beste wissenschaftliche Arbeit des ZfI 1983 / Autorenkollektiv. - (02) Einsatz ionisationsgasanalytischer Methoden an der Mikroelektronik (Beste wissenschaftlich-technische Arbeit des ZfI 1983) / Autorenkollektiv. - (03) Zur Geschichte der künstlichen Radioaktivität / H. Koch. - (04) 50 Jahre künstliche Radioaktivität / G. Vormum. - (05) Frédéric und Irène Joliot-Curie - Biographische Skizze / K.-P- Dostal. - 2. Institutskolloquien. - 3. Patente. - 4. Veröffentlichungen und Vorträge. - 5. Register. - 5.1. Namensregister. - 5.2. Deskriptorenregister. - 6. Verzeichnis aller bisher erschienenen Hefte der ZfI-Mitteilungen. - 6.1. Titel der bis 1982 erschienenen Hefte 1-61 und Sonder-Nr. 1. - 6.2. Inhaltsverzeichnisse der im Jahre 1983 erschienenen Hefte 62-82. - 6.3. 1984 bisher erschienene Hefte. - 7. Verzeichnis aller bisher erschienenen Preprints.
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  • 83
    Series available for loan
    Series available for loan
    Leipzig : Akademie der Wissenschaften der DDR, Zentralinstitut für Isotopen- und Strahlenforschung
    Associated volumes
    Call number: ZSP-980-46
    In: ZfI-Mitteilungen, Nr. 46
    Type of Medium: Series available for loan
    Pages: 134 Seiten , Illustrationen
    Series Statement: ZfI-Mitteilungen 46
    Language: German
    Note: Inhaltsverzeichnis: Nichtkonstante relative Atommassen als Folge variierender Isotopenhäufigkeiten polynuklider Elemente und ihre Auswirkungen auf die Richtigkeit analytischer Meßwerte bei der Elementanalytik / H. Gerstenberger. - Massenspektrographische Analyse an Standardgesteinsproben / H.-J. Dietze. - Methodische Untersuchungen zur massenspektrographischen Analyse an geologischen Proben mit relativ hohen Seltenerdengehalten / S. Becker, H.-J. Dietze. - Massenspektrographische Analyse von Calciumfluorid-Einkristallen / H.-J. Dietze, H. Zahn. - Gammaaktivierungsanalyse am Mikrotron MT 22 : analytische Möglichkeiten für geologische Proben und Rohsilizium, Bestimmung von Blei / M. Geisler, H. Gerstenberger. - Zur Korrektur von Inhomogenitäten des Reaktorneutronenflusses bei der Aktivierungsanalyse / M. Geisler, H. Schelhorn. - Instrumentelle Aktivierungsanalyse von Molybdäniten / M. Geisler, H. Schelhorn. - Bestimmung von Osmium in Molybdäniten / H. Schelhorn, M. Geisler. - Instrumentelle Aktivierungsanalyse von Flugstaub / M. Geisler. - Aktivierungsanalytische Kontrolle von Spurenelementen bei der Gallium-Diffusion in Silizium / M. Geisler. - Übersicht über bisher erschienene Hefte der ZfI-Mitteilungen.
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  • 84
    Call number: AWI G6-18-91903
    Type of Medium: Series available for loan
    Pages: 93 Seiten , Illustrationen
    Series Statement: Schriftenreihe Anwendung von Isotopen und Kernstrahlungen in Wissenschaft und Technik 5
    Language: German
    Note: Inhaltsverzeichnis: 1. Einleitung. - 2. Grundlagen der 15N-Tracertechnik. - 3. Versuchsplanung und -auswertung. - 3.1. Begriffe und Symbole. - 3.2. Formeln und Definitionen für die Berechnung der in der 15N-Tracertechnik benötigten Größen. - 3.2.1. Relative 15N-Häufigkeit. - 3.2.2. Molmasse. - 3.2.3. Stickstoffgehalt. - 3.2.4. N-Masse. - 3.2.5. Stoffmenge. - 3.2.6. N-Menge. - 3.2.7. 15N- bzw. 14N-Menge. - 3.2.8. 15N-Masse. - 3.2.9. 15N-Exzeßmasse. - 3.2.10. Titrimetrische Neutralisationsanalysen. - 3.2.11. Spektren-Auswertung der 15N-Messung. - 3.3. Untersuchung statischer Eigenschaften biologischer Systeme (statische Isotopenverdünnungsanalyse). - 3.4. Untersuchung des dynamischen Verhaltens biologischer Systeme. - 3.4.1. Modellierung von Tracerprozessen. - 3.4.2. Theoretische Grundlagen der mathematischen Modellierung. - 3.4.3. Modell des Stickstoff-Stoffwechsels im Ackerboden. - 3.5. Berechnungsbeispiele zu den Abschnitten 3.2. bis 3.4. - 3.5.1. Isotopenstöchiometrie. - 3.5.2. Titrimetrische Analyse einer 15N-markierten Substanz. - 3.5.3. Isotopenverdünnungsanalyse. - 3.5.4. Tracerkinetik. - 3.6. Literatur. - 4. Methodik der Probenaufbereitung und Isotopenanalytik. - 4.1. Aufarbeitung des Probenmaterials. - 4.2. Chemische Aufbereitung. - 4.3. Probenchemie. - 4.3.1. Dumas-Methode. - 4.3.2. Hypobromit-Methode. - 4.3.3. Sonstige Methoden. - 4.4. Isotopenanalytik. - 4.4.1. Emissionsspektrometrische 15N-Analytik. - 4.4.1.1. Isotopenanalytik mit dem 15N-Analysator NOI-5. - 4.4.1.2. Isotopenanalytik mit dem automatischen 15N-Analysator ISONITROMAT 5200. - 4.4.2. Massenspektrometrische 15N-Isotopenanalyse. - 4.4.3. Methodenvergleich. - 4.5. Fehlerquellen in der 15N-Analytik. - 4.6. Weitere Analysenmethoden in der 15N-Tracertechnik. - 4.6.1. NMR-Spektroskopie. - 4.6.2. Kombinierte Gaschromatographie-Massenspektroskopie und Hochdruck-Flüssigkeitschromatographie-Massenspektroskopie. - 4.7. Literatur. - 5. 15N-Anwendung in der Biochemie. - 5.1. Die biologische Stickstoff-Fixierung. - 5.2. Pflanzenphysiologie. - 5.3. Tierphysiologie. - 5.4. Literatur. - 6. 15N-Anwendung in der landwirtschaftlichen Forschung. - 6.1. Allgemeines. - 6.2. Die Anwendung 15N-markierter Düngemittel zum Studium des N-Umsatzes im Boden. - 6.2.1. Stickstoff-Festlegung. - 6.2.1.1. Ammoniumfixierung und Sorption an organischen Bodenbestandteilen. - 6.2.1.2. Stickstoff-Festlegung in organischen N-Verbindungen. - 6.2.2. Verfügbarkeit und Mobilisierung von Stickstoff. - 6.2.3. Stickstoff-Transformation und Dynamik des Stickstoff-Umsatzes. - 6.2.3.1. Mineralisierung und Immobilisierung. - 6.2.3 .2. Humifizierung. - 6.2.3.3. Nitritzersetzung im Boden. - 6.2.4. Ausnutzung des Düngemittel-Stickstoffs und Stickstoff-Verluste (N-Bilanz). - 6.2.5. Migration von Düngemittel-Stickstoff im Boden. - 6.2.6. Nachwirkungseffekt. - 6.2.7. Forstwirtschaftliche Untersuchungen mit 15N. - 6.3. Die Anwendung 15N-markierter Düngemittel zum Studium des Stickstoff-Umsatzes in der Pflanze. - 6.3.1. Die Aufnahme des Stickstoffs und ihre Beeinflussung durch N-Form, Applikationsart, Pflanzenart, Ernährungszustand, Spurenelementversorgung, Temperatur und Zusammensetzung des Nährsubstrates (Stickstoff-Fixierung). - 6.3.2. Die Ausnutzung des Düngemittel-Stickstoffs durch die Pflanze. - 6.3.3. Verteilung des Dünge-Stickstoffs in der Pflanze. - 6.3.4. Stoffwechsel des gedüngten Stickstoffs. - 6.4. Die Untersuchung des Stickstoff-Umsatzes im Tier mittels 15N. - 6.4.1. Eiweißstoffwechsel. - 6.4.1.1. Proteinverdaulichkeit, Stickstoff-Verweilzeitstudien und Aminosäure-Resorptionskinetik. - 6.4.1.2. Biosynthese von Eiproteinen. - 6.4.1.3. Metabolismus von NPN-Verbindungen bei Wiederkäuern. - 6.5. Literatur. - 7. 15N-Anwendung in der medizinischen Forschung. - 7.1. Besonderheiten der Anwendung stabiler Isotope in der Humanmedizin. - 7.2. Biochemie des Intermediärstoffwechsels. - 7.2.1. Anatomische Lokalisation von Stoffwechselprozessen. - 7.2.2. Aufklärung von Stoffwechselwegen durch Erfassung der Stoffwechselzwischen- oder Endprodukte. - 7.2.3. Bestimmung der mittleren Verweilzeit bzw. Lebensdauer von Verbindungen. - 7.2.4. Bestimmung der Größe von Stoffwechsel-Pools. - 7.3. Gastroenterologie. - 7.4. Pädiatrie. - 7.5. Ernährung. - 7.6. Beiträge zur Diagnostik und Ursachenforschung von Krankheiten und zu pharmakologischen Fragestellungen. - 7.7. Literatur.
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  • 85
    Call number: ZSP-980-100
    In: ZfI-Mitteilungen, Nr. 100
    Type of Medium: Series available for loan
    Pages: 184 Seiten , Illustrationen
    Series Statement: ZfI-Mitteilungen 100
    Language: German
    Note: Inhaltsverzeichnis: 15 Jahre Zentralinstitut für Isotopen- und Strahlenforschung der AdW der DDR / K. Wetzel. - Spurenanalyse mittels Ionisationsgasanalyse in der Mikroelektronik / H.-J. Große, P. Popp. - Beiträge der Isotopenforschung im ZfI zum Erkenntnisgewinn in den Geowissenschaften / R. Haberlandt, H. Schütze. - Radioisotopentechnik in der chemischen Industrie / G. Hoffmann. - EDV und moderne Informatik - wesentliche Elemente der Intensivierung des Forschungsprozesses im ZfI / L. Jankowski. - Nukleare Analyseverfahren in der Halbleiterindustrie / H. Koch. - Radionuklide in der Energetik / J. W. Leonhardt. - Ergebnisse der strahlenchemischen Grundlagenforschung und Entwicklungstendenzen der Strahlenchemie / W. Reicherdt. - Gewinnung von Wertmetallen aus Abprodukten / M. Rösseler. - Zur Isotopenproduktion am ZfI / G. Vormum.
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  • 86
    Call number: AWI G6-18-91956
    Description / Table of Contents: Earth's climate varies continuously across space and time, but humankind has witnessed only a small snapshot of its entire history, and instrumentally documented it for a mere 200 years. Our knowledge of past climate changes is therefore almost exclusively based on indirect proxy data, i.e. on indicators which are sensitive to changes in climatic variables and stored in environmental archives. Extracting the data from these archives allows retrieval of the information from earlier times. Obtaining accurate proxy information is a key means to test model predictions of the past climate, and only after such validation can the models be used to reliably forecast future changes in our warming world. The polar ice sheets of Greenland and Antarctica are one major climate archive, which record information about local air temperatures by means of the isotopic composition of the water molecules embedded in the ice. However, this temperature proxy is, as any indirect climate data, not a perfect recorder of past climatic variations. Apart from local air temperatures, a multitude of other processes affect the mean and variability of the isotopic data, which hinders their direct interpretation in terms of climate variations. This applies especially to regions with little annual accumulation of snow, such as the Antarctic Plateau. While these areas in principle allow for the extraction of isotope records reaching far back in time, a strong corruption of the temperature signal originally encoded in the isotopic data of the snow is expected. This dissertation uses observational isotope data from Antarctica, focussing especially on the East Antarctic low-accumulation area around the Kohnen Station ice-core drilling site, together with statistical and physical methods, to improve our understanding of the spatial and temporal isotope variability across different scales, and thus to enhance the applicability of the proxy for estimating past temperature variability. The presented results lead to a quantitative explanation of the local-scale (1–500 m) spatial variability in the form of a statistical noise model, and reveal the main source of the temporal variability to be the mixture of a climatic seasonal cycle in temperature and the effect of diffusional smoothing acting on temporally uncorrelated noise. These findings put significant limits on the representativity of single isotope records in terms of local air temperature, and impact the interpretation of apparent cyclicalities in the records. Furthermore, to extend the analyses to larger scales, the timescale-dependency of observed Holocene isotope variability is studied. This offers a deeper understanding of the nature of the variations, and is crucial for unravelling the embedded true temperature variability over a wide range of timescales.
    Type of Medium: Dissertations
    Pages: xxi, 197 Seiten , Illustrationen, Diagramme
    Language: English
    Note: Contents: 1 General introduction. - 1.1 Challenges of isotope-based temperature reconstructions. - 1.2 Thesis overview. - 1.3 Author contributions. - 2 Theoretical background. - 2.1 The isotopic composition of firn and ice. - 2.1.1 Fractionation of water isotopologues. - 2.1.2 Relationship with temperature. - 2.1.3 Measuring of the isotopic composition. - 2.2 Processes within the firn column. - 2.2.1 The firn column of polar ice sheets. - 2.2.2 The density of firn. - 2.2.3 The temperature profile of firn. - 2.2.4 Vapour diffusion in firn. - 2.3 Internal climate variability. - 3 Regional climate signal vs.local noise: a two-dimensional view of water isotopes. - 3.1 Introduction. - 3.2 Data and methods. - 3.3 Results. - 3.3.1 Trench isotope records. - 3.3.2 Single-profile representativity. - 3.3.3 Mean trench profiles. - 3.3.4 Spatial correlation structure. - 3.3.5 Statistical noise model. - 3.4 Discussion. - 3.4.1 Local noise vs. regional climate signal. - 3.4.2 Representativity of isotope signals. - 3.4.3 Implications. - 3.5 Conclusions. - 3.6 Appendix A: Derivation of noise model. - 3.6.1 Definitions. - 3.6.2 Derivation of model correlations. - 3.6.3 Estimation of parameters. - 3.7 Appendix B: Noise level after diffusion. - 4 Constraints on post-depositional isotope modifications in east antarctic firn. - 4.1 Introduction. - 4.2 Data and methods. - 4.2.1 Sampling and measurements. - 4.2.2 Trench depth scale. - 4.2.3 Spatial variability of trench profiles. - 4.2.4 Quantification of downward advection, densification and diffusion. - 4.2.5 Statistical tests. - 4.3 Results. - 4.3.1 Comparison of T15 and T13 isotope data. - 4.3.2 Expected isotope profile changes. - 4.3.3 Temporal vs. spatial variability. - 4.4 Discussion. - 4.4.1 Densification, diffusion and stratigraphic noise. - 4.4.2 Additional post-depositional modifications. - 4.5 Conclusions. - 5 On the similarity and apparent cycles of isotope variations. - 5.1 Introduction. - 5.2 Data and Methods. - 5.2.1 Data. - 5.2.2 Spectral analysis. - 5.2.3 Rice’s formula. - 5.2.4 Cycle length and amplitude estimation. - 5.2.5 Model for vertical isotope profiles. - 5.3 Results. - 5.3.1 Spectral analysis of isotope profiles. - 5.3.2 Theoretical and observed cycle length. - 5.3.3 Illustrative examples. - 5.3.4 Depth dependency of cycle length. - 5.3.5 Simulated vs. observed isotope variations. - 5.4 Discussion and summary. - 5.5 Conclusions. - 5.6 Appendix A: Input sensitivity. - 5.7 Appendix B: Additional results. - 5.8 Appendix C: Spectral significance testing. - 6 Timescale-dependency of antarctic isotope variations. - 6.1 Introduction. - 6.2 Data and methods. - 6.2.1 DML and WAIS isotope records. - 6.2.2 Spectral model. - 6.2.3 Timescale-dependent signal-to-noise ratio. - 6.2.4 Effects of diffusion and time uncertainty. - 6.2.5 Present-day temperature decorrelation. - 6.3 Results. - 6.3.1 Illustration of model approach. - 6.3.2 DML and WAIS isotope variability. - 6.4 Discussion. - 6.4.1 Interpretation of noise spectra. - 6.4.2 Interpretation of signal spectra. - 6.4.3 Signal-to-noise ratios. - 6.4.4 Differences between DML and WAIS. - 6.5 Conclusions. - 7 Declining temperature variability from LGM to holocene. - 8 General discussion and conclusions. - 8.1 Short-scale spatial and temporal isotope variability. - 8.1.1 Local spatial variability. - 8.1.2 Seasonal to interannual variability. - 8.1.3 Spatial vs. temporal variability. - 8.2 Extension to longer scales. - 8.2.1 Spatial vs. temporal variability on interannual timescales. - 8.2.2 Holocene and longer timescales. - 8.3 Concluding remarks and outlook. - Bibliography. - A Methods to: declining temperature variability from lgm to holocene. - A.1 Temperature proxy data. - A.2 Model-based temperature and variability change. - A.3 Temperature recalibration of proxy records. - A.3.1 Recalibration of ice-core records. - A.3.2 Recalibration of marine records. - A.4 Variance and variance ratio estimation. - A.5 Noise correction. - A.5.1 Testing effect of noise correction. - A.6 Effect of ecological adaption and bioturbation. - A.7 Effect of proxy sampling locations. - B Layering of surface snow and firn: noise or seasonal signal?. - B.1 Introduction. - B.2 Materials and methods. - B.2.1 Firn-core density profiles. - B.2.2 Trench density profiles. - B.2.3 Dielectric profiling and density estimates. - B.2.4 Comparison of DEP and CT density. - B.2.5 Ion measurements. - B.3 Results. - B.3.1 2-D trench density data. - B.3.2 Spatial correlation structure. - B.3.3 Comparison of mean density, isotope and impurity profiles. - B.3.4 Spectral analysis of vertical density data. - B.4 Discussion. - B.4.1 Spatial variability. - B.4.2 Representativeness of single profiles. - B.4.3 Seasonal cycle in snow density. - B.4.4 Density layering in firn and impurities. - B.5 Conclusions. - Acknowledgements - Danksagung.
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  • 87
    Call number: ZSP-980-80
    In: ZfI-Mitteilungen, Nr. 80
    Type of Medium: Series available for loan
    Pages: 158 Seiten , Illustrationen
    Edition: als Manuskript gedruckt
    ISSN: 0323-8776
    Series Statement: ZfI-Mitteilungen 80
    Language: German , Russian , English
    Note: Inhaltsverzeichnis: ZUSAMMENFASSUNGEN DER VORTRÄGE. - Beiträge der Isotopengeologie zur Aufklärung des kontinentalen Wachstums / K. Wetzel. - Ein quantitatives Modell des Schwefelkreislaufes mit Berücksichtigung der Isotopenverhältnisse / G. Weise, K. Wetzel. - Die Prozesse der Stoffumwandlungen in den Anfangsstadien der Erbildung und die Isotopenzusammensetzung des endogenen Stickstoffs / W. F. Wolynez. - Problema juvenil'nosti v izotopnoj geologii / Ju. A. Borščevskij. - Zur Theorie von Isotopenaustauschgleichgewichten in komplizierten natürlichen Systemen / R. Haberlandt, G. Christoph. - Zur Berechnung und Interpretation natürlicher Isotopenvariationen in Alumosilikaten / G. Christoph. - The use of statistical mechanical perturbation theory for the calculation and interpretation of isotopic fractionation factors / M. Wolfsberg. - Relationship between anomalies in the relative abundance of 18O, 17O, 16O and anomalies in the temperature dependence of isotopic fractionation factors / M. Wolfsberg. - Metod rasčeta izotopnych effektov v prirodnych mineralach po približennoj modeli "Razdel'nych Kolebanin" / S. I. Gol'šev, N. L. Padalko. - Intramolekulare Sauerstoffisotopengeothermometrie an Hydrosilicaten / H. Schütze. - Der 18O-Index. Ein isotopengeochemisches Konzept / H. Schütze. - Matematičeskii analiz frakcionirovanija izotopov ugleroda v živoi kletke / A. A. Ivlev. - Anwendung der modifizierten Zelltheorie zur Berechnung von Zustandseigenschaften dichter isotopensubstituierter Fluide / H.-L. Vörtler, J. Heybey. - Statistisch-mechanische Behandlung der Unterschiede im Adsorptionsverhalten isotopischer Spezies / H. Heybey, H.-L. Vörtler. - Theoretische Untersuchungen zu Adsorptionsisotopieeffekten von Erdgaskomponenten unter erhöhten Drücken / J. Heybey, P. Harting. - Experimentelle Untersuchungen zu speziellen Adsorptionsisotopieeffekten unter geologischen Bedingungen / P. Harting, K. Weingart, H. Heybey. - Die Isotopenzusammensetzung (O, H, C, S, N) des Erdmantels / H. Hoefs. - Neodym- und Strontiumisotope und ihre Anwendung auf TR-Mineralisation / S. B. Brandt, W. S. Lepin, W. N. Solodjankina, T. I. Kolosnizyna. - Zur Veränderung der isotopischen Zusammensetzung des Sauerstoffs von Cherts und Carbonaten im Prozess der Diagenese/Metamorphose / O. Gebhardt, H. Schütze. - The isotopic study of Boron in the process of formation of ore deposits / V. I. Ustinov, V. A. Grinenko, S. M. Aleksandrov, T. R. Ivanova. - Temperaturnyj profil' redkometal'nogo mestoroždenija po izotopno-kislorodnym dannym / Ju. A. Borščevskij, S. N. Gavrikova, N. I. Medvedovskaja, V. Ja. Fedčuk. - Biogennye faktory forminrovanija izotopnogo sostava ugleroda organičeskogo veščestva porod facial'no-genetičeskogo tipa / A. A. Ivlev, R. G. Pankina, M. V. Dachnova. - Izotopnyj sostav ugleroda frakcij nefti i organičeskogo veščestva porod / M. G. Frik, Ė. M. Galimov. - Stable isotope ratios in natural gas components separated by gas chromatography / G. Hut. - C-Isotopenuntersuchungen zur Entwicklung des Altpaläozoikums im Thüringischen Schiefergebirge / K. Hahne, I. Maaß, H. Lützner, J. Ellenberg, F. Falk, E. Grumbt. - Isotopengeochemische, thermobarogeochemische und elementgeochemische Untersuchungen an einer hydrothermalen Fluorit-Mineralisaton aus dem Südteil der DDR / G. Strauch, H. Kämpf, R. Thomas, M. Geisler, G. Haase, G. Stiehl. - Untersuchungen zur Isotopenfraktionierung des Stickstoffs in den Systemen NH4+/NH3 und N3- /N2 / H.-M. Nitzsche, G. Stiehl. - δ15N-Profile in der Bodenzone und ihre zeitlichen Veränderungen / H. Hübner. - Izotopnyj sostav ugleroda karbonatov v mestoroždenijach samorodnoj sery / V. I. Kityk, B. I. Srebrodol'skij. - Untersuchungen zur Fraktionierung der Schwefelisotope bei der chemischen und biochemischen Oxydation von Sulfid zu Sulfat / I. Maaß, J. Heyer, K. Wetzel, G. Weise. - Selective determination of quantitative and isotopic composition of sulphur-minerals associations / V. I. Ustinov, V. A. Grinenko. - Untersuchungen zur CO2-Resorption aus thermoindifferenten Kohledioxidmineralwasserbädern durch die Haut des Menschen / G. Hübner, I. Maaß, C. Epperlein, G. Plötner, H. Jordan. - Frakcionirovanie izotopov ugleroda metanobrazujušimi bakterijami pri ich roste na različnych substratach / M. V. Ivanov, S. S. Beljaev, A. M. Ėjakun, V. A. Boidar', K. S. Laurinavičus, O. V. Šipin. - Izotopnyj sostav ugleroda metana, obrazuemogo mikroorganizmami v prirode / M. V. Ivanov, K. S. Laurinavičus, V. A. Bondar', S. S. Beljaev. - Isotopenhydrologische Untersuchungen - Arbeiten aus dem GSF-Institut für Radiohydrometrie / H. Moser. - Tritium im Niederschlag Antarktikas - Aussagen zur globalen Verteilung / D. Herbert. - Untersuchung der Beziehung der Deuteriumkonzentration zwischen atmosphärischem Wasserdampf und Niederschlägen im Gebiet der Schirmacheroase / Ostantarktis / P. Kowski. - Isotopenhydrologische und hydeochemische Charakterisierung von Seen im Gebiet der Schirmacher-Oase, Ostantarktika / W. Richter, U. Wand, G. Strauch, P. Kowski, W. Kurze. - Isotopenglaziologische Untersuchungen zur Klärung der Herkunft des Inlandeiskörpers südlich der Schirmacheroase / Ostantarktis / W.-D. Hermichen, P. Kowski. - Carbon-13 in atmospheric CO2: 1977-1981 / W. G. Mook, C. D. Keeling. - Anwendung von H2 18O auf ökologische und pflanzenphysiologische Fragestellungen / H. Förstel. - Komplexe Isotopenuntersuchungen an armenischen Mineralwässern / R. Trettin, A. Hiller, E. S. Chalatjan. - Die isotope Zusammensetzung des Kristallwassers von Carnalliten und ihrer Ausgangslösungen / H.-D. Schmiedl, K. Koch, T. Böttger, G. Stiehl, J. Pilot. - Zur hydrologischen Interpretation von Isotopendaten im Zusammenhang mit Stofftransportvorgängen / H. Jordan, D. Hebert, K. Fröhlich, R. Gellermann, R.-P. Schols. - Zwei neue Standards zur massenspektrometrischen Isotopenhäufigkeitsbestimmung von Wasserstoff, Kohlenstoff und Sauerstoff im Bereich natürlicher Häufigkeiten / M. Herrmann, H. Gerstenberger. - Methoden der chemischen Konzentrierung und Identifizierung bei der Suche nach seltenen Radionukliden in der Natur / H. Bruchertseifer. - Die Anwendung der ultraempfindlichen Massenspektrometrie zur Isotopenanalytik / H.-J. Dietze, S. Becker. - Möglichkeiten des Nachweises superschwerer Elemente mit massenspektrometrischen Methoden / S. Becker, H.-J. Dietze. - Isotope analysis on nano-mole gas samples / S. Hałas. - Neue Möglichkeiten zur Freisetzung von Messgasen für die massenspektrometrische Isotopenanalysis aus Feststoffen / G. Müller, D. Hessel, H. Zahn, K. Mühle. - Die Kontrolle der Standardmeßbedingungen bei C-14-Datierungen / J. Görsdorf. - Raspredelenie izotopa 14C v različnych uglerodsoderžaščich materialach i frakcijach paleopočv v svjazi s geologičeskimi uslovijami zachoronečnija / L. A. Orlova, V. A. Panyčev, I. V. Nikolaeva. - Some variations in the isotopic composition of uranogenic and thorogenic lead and their significance for investigations of geochronology and genesis of ore and rocks / B. G. Amov. - Neue Daten für die Beiisotopenverhältnisse in Feldspäten aus dem Kristallinkomplex, den Graniten und Erzen Südbulgariens / B. Amow, V. Arnaudow, Z. Baldjiewa, M. Pawlowa. - 40Ar/39Ar-Altersspektren eines Biotits / G. Kaiser, J. Pilot. - Kalium-Calcium-Isochronen für Sylvinite des sibirischen Tafellandes / W. S. Lepin, T. W. Jegorowa, S. B. Brandt. - Beitrag zur Klärung der Genese west- und mittelerzgebirigischer Granite anhand von SR-87/SR-86-Verhältnissen / H. Gerstenberger, G. Haase. - Zur geochronologisch-genetischen Modellierung von Granitoiden im Westerzgebirge und Vogtland / Th. Kaemmel. - Zur Abschätzung von Altersunterschieden innerhalb des Erzgebirgsplutons auf grund von Isotopenaltern / Th. Kaemmel. - Theoretische Aspekte zur radiogeochronologischen Datierung von Gesteinen und Mineralen / G. Christoph. - Die Verteilung der Strontium-90 und Cäsium-137 im Wasserkörper der Ostsee 1975-1982 / D. Weiß, E. Ettenhub
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  • 88
    Monograph available for loan
    Monograph available for loan
    Berlin : Zentralinstitut für Physik der Erde
    Call number: AWI G2-19-92036
    Type of Medium: Monograph available for loan
    Pages: 78 Seiten , Illustrationen
    Language: German
    Note: Inhaltsverzeichnis: 1. Vorwort. - 2. Struktur und Entwicklung der Antarktischen Platte. - 2.1. Generelle Kennzeichnung der Antarktischen Platte. - 2.2. Tripelpunkte. - 2.2.1. Bouvet-Tripelpunkt. - 2.2.2. Indik-Tripelpunkt. - 2.2.3. Macquarie-Tripelpunkt. - 2.2.4. Osterinsel-Tripelpunkt. - 2.3. Plattengrenzen und Plattenfelder. - 2.3.1. Bouvet-Indik-Feld. - 2.3.1.1. Ausbildung der Plattengrenze. - 2.3.1.2. Anomale Entwicklung südlich der Agulhas-Bruchzone. - 2.3.1.3. Inseln und submarine Plateaus im südlichen Indik. - 2.3.2. Indik-Macquarie-Feld. - 2.3.3. Macquarie-Osterinsel-Feld. - 2.3.3.1. Ausbildung der Plattengrenze. - 2.3.3.2. Sandwich- und Scotia-Platte. - 2.3.4.3. Beziehungen zwischen Südamerika und Antarktika und das Problem der Antarktischen Halbinsel. - 2.3.4.4. Weddellbecken. - 2.3.4.5. "Drake-Platte". - 2.3.4.6. Plattentektonische Entwicklung des Südostpazifiks. - 2.4. Überblick über den Werdegang der südhemisphärischen Ozeangebiete und den Ablauf des Gondwanazerfalls. - 3. Zur Bedeutung der Krustenentwicklung für Paläoozeanlogie und Paläoklimatologie. - 3.1. Einige Kennzeichen der ozeanologischen Situation in den antarktischen Meeresgebieten. - 3.2. Kriterien für Veränderungen der paläoozeanologischen und paläoklimatologischen Verhältnisse im Hinblick auf die paläotektonische Interpretation. - 3.3. Abriß der paläoozeanologisch-paläoklimatologischen Entwicklung im Känozoikum und mögliche Zusammenhänge mit dem tektonischen Geschehen. - 4. Zusammenfassung. - 5. Literaturverzeichnis. - 6. Abbildungsverzeichnis. -
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  • 89
    Call number: AWI G3-19-92415
    Type of Medium: Dissertations
    Pages: VIII, 154, xv Seiten , Illustrationen, Diagramme, Karten
    Language: English
    Note: Table of contents Abstract Zusammenfassung 1 Motivation 2 Introduction 2.1 Arctic climate changes and their impacts on Coastal processes 2.2 Shoreline retreat along Arctic coasts 2.3 Impacts of Coastal erosion 2.3.1 Material fluxes 2.3.2 Retrogressive thaw slumps 2.3.3 Socio-economic impacts 2.4 Objectives 2.5 Study area 2.6 Thesis structure 2.7 Authors’ contributions 3 Variability in rates of Coastal change along the Yukon coast, 1951 to 2015 3.1 Introduction 3.2 Study Area 3.3 Data and Methods 3.3.1 Remote sensing data 3.3.2 Field survey data 3.3.3 Classification of shoreline 3.3.4 Transect-wise analyses of shoreline movements through time 3.4 Results 3.4.1 Temporal variations in shoreline change rates 3.4.2 Alongshore rates of change 3.4.3 Shoreline dynamics along field sites 3.4.4 Dynamics of lagoons, barrier Islands and spits (gravel features) 3.4.5 Yukon Territory land loss 3.5 Discussion 3.5.1 Temporal variations in shoreline change rates 3.5.2 Alongshore rates of change 3.5.3 Dynamics of lagoons, barrier Islands, and spits (gravel features) 3.5.4 Expected shoreline changes as a consequence of future climate warming 3.6 Conclusions Context 4 Coastal erosion of permafrost Solls along the Yukon Coastal Plain and Kuxes oforganic carbon to the Canadian Beaufort Sea 4.1 Introduction 4.2 Study Area 4.3 Methods 4.3.1 Sample collection and laboratory analyses 4.3.2 Soll organic carbon determinations 4.3.3 Flux of organic soil carbon and Sediments 4.3.4 Fate of the eroded soil organic carbon 4.4 Results 4.4.1 Ground lce 4.4.2 Organic carbon contents 4.4.3 Material fluxes 4.5 Discussion 4.5.1 Ground lce 4.5.2 Organic carbon contents 4.5.3 Material fluxes 4.5.4 Organic carbon in nearshore Sediments 4.6 Conclusion Context 5 Terrain Controls on the occurrence of Coastal retrogressive thaw slumpsalong the Yukon Coast, Canada 5.1 Introduction 5.2 Study Area 5.3 Methods 5.3.1 Mapping of RTSs and landform Classification 5.3.2 Environmental variables 5.3.3 Univariate regression trees 5.4 Results 5.4.1 Characteristics of RTS along the coast 5.4.2 Density and areal coverage od RTSs along the Yukon Coast 5.5 Discussion 5.5.1 Characteristics and distribution of RTSs along the Yukon Coast 5.5.2 Terrain factors explaining RTS occurrence 5.5.3 Coastal processes 5.6 Conclusions Context 6 Impacts of past and fiiture Coastal changes on the Yukon coast - threats forcultural sites, infrastructure and travel routes 6.1 Introduction 6.2 Study Area 6.3 Methods 6.3.1 Data for shoreline projections 6.3.2 Shoreline projection for the conservative scenario (S1) 6.3.3 Shoreline Projection for the dynamic scenario (S2) 6.3.4 Positioning and characterizing of cultural sites 6.3.5 Calculation of losses under the S1 and S2 scenarios 6.3.6 Estimation of future dynamics in very dynamic areas 6.4 Results and discussion 6.4.1 Past and future shoreline change rates 6.4.2 Cultural sites 6.4.3 Infrastructure and travel routes 6.5 Conclusions 7 Discussion 7.1 The importance of understanding climatic drivers of Coastal changes 7.2 The influence of shoreline change rates on retrogressive thaw slump activity 7.3 On the calculation of carbon fluxes from Coastal erosion along the Yukon coast 7.4 Impacts of present and future Coastal erosion on the natural and human environment 7.5 Synthesis 8 Summary and Conclusions Bibliography Supporting Material Data Set ds01 Table S1 Table S3 Abbreviations and Nomendature Acknowledgements
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  • 90
    Call number: AWI G9-19-92232
    Type of Medium: Monograph available for loan
    Pages: 28 Seiten
    Language: German
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  • 91
    Monograph available for loan
    Monograph available for loan
    Palisades : Lamont-Doherty Geological Observatory, Columbia University
    Call number: AWI G2-19-92382
    Type of Medium: Monograph available for loan
    Pages: 690 Seiten , Illustrationen, Karten
    Language: English
    Note: Table of Contents CHAPTER 1 INTERNAL CYCLING AND THROUGHPUT : Pathways from River Mouth to Sea Floor Depth Profiles of Sea Salt Composition Constituent Classification The Chemical Composition of Marine Organic Matter Composition of Particulate Matter Caught in Sediment Traps A Simple Model for Biologically Utilized CDnstituents The Distributions of Biointermediate Constituents Estimation of Input Rates Horizontal Segregation of CDnstituents in the Deep Sea Summary CHAPTER 2 THE SEDIMENTARY SINK Factors Influencing the Distribution of Sedimentary Constituents Introduction Sediment Types Distribution of Opal Production Opal Solution on the Sea Floor Distribution of Calcite in Marine Sediments Degree of Calcite Saturation Variation in the Carbonate Ion Content of Sea Water Spacial Variations in the CaC0 3 Saturation of Sea Water Factors Controlling the Rate of Calcite Solution Thickness and Shape of the Sublysocline Transition Zone Variation of Sediment Type with Time Manganese Nodules Summary CHAPTER 3 THE ATMOSPHERIC IMPRINT : The Cycles of Gases within the Sea Introduction Solubilities of Gases in Sea Water The Rate of Gas Exchange Stagnant Film Thickness Derived from Natural Radiocarbon Stagnant Film Thicknesses Determined by the Radon Method Oxygen Concentrations in Surface Ocean Water Oxygen Deficiencies in the Deep Sea The Marine N2O Cycle Excess Helium The Carbon Dioxide Content of Surface Ocean Water Origin of the Equatorial Pacific CO2 Anomaly Summary CHAPTER 4 REACTIVE METALS AND THE GREAT PARTICULATE SWEEP : The Cycle of Metals in the Sea Introduction Products of Uranium and Thorium Decay Thorium Isotopes in the Sea Protactinium-231 to Thorium-230 Activity Ratios The Distribution of Lead-210 The Distribution of Polonium-210 The Distribution of Radium-226 Anthropogenic Plutonium in the Sea Toward a Model of Metal Transport Distributions of Stable Metals in the Sea Stable Isotope Ratios in Reactive Metals Transport of Iron and Manganese in the Sea Lessons from Controlled Ecosystem Studies Distribution Coefficients Summary CHAPTER 5 HOW FAST DOES THE MILL GRIND? : Rates of Vertical Mixing and Sediment Accumulation Introduction Rate of Vertical Mixing Implication to the Distribution of Radium-226 Distribution of Radiocarbon in the Ocean Rate of Continental Runoff Sediment Accumulation Rates Radiocarbon Dating Uranium Series Dating Beryllium Dating Potassium-Argon Dating Agreement Among Dating Methods Comparison of Model and Observed Rates of CaC0 3 Solution Summary CHAPTER 6 WHAT KEEPS THE SYSTEM IN WHACK? : Control Mechanisms Operating in the Sea Introduction Phosphate Controls Silicate Controls Carbon Controls Interactions between the Phosphate and Carbon Controls Nitrate Controls Dissolved Oxygen Controls Major Anion Controls Major Cation Controls Possible Causes for Perturbations Recorders of Paleoocean Chemistry The Marine Geochemistry of Carbon-13 The Uranium Content of Coral Factors Influencing Nutrient Gradients in the Deep Sea Summary CBAPTER 7 FREIGHT TRAINS AND FICKIAN CONFUSION : The Movement of Water Through the Deep Sea Introduction Types of Motion One Dimensional Advection - Diffusion Model Tracers for Diapycnal and Isopycnal Mixing Mixing Rates Based on Radon-222 and Radium-228 The Distribution of Helium-3 in the Deep Pacific Sources of Deep Water Northern Component Water Conservative Properties of NCW Initial Radiocarbon to Carbon Ratio in NCW Feed for NCW Production Southern Component Water Ventilation of the Deep Atlantic Ocean Ventilation of the Deep Pacific and Indian Oceans The Grand Cycle of Radiocarbon in the Deep Ocean Biological Short-Circuiting Temporal Variations in Radiocarbon Production Argon-39 Summary CHAPTER 8 THE ANTHROPOGENIC INVASION : The Movement of Water Through the Oceanic Thermocline Introduction Input Functions Hydrology of the Main Thermocline Tritium Distribution within the Thermocline Temporal Trends in Tritium Tritium as a Guide to Deep Water Formation Supplementary Information from Strontium-90 Bomb Carbon-14 Distribution within the Thermocline Explanations for Low Equatorial Bomb Carbon-14 Inventories Implications of Equatorial Upwelling to the Tritium Budget An Upwelling Rate Based on the Equatorial CO2 Anomaly Helium-3 Distribution in the Main Oceanic Thermocline Purposeful Tracers Summary CHAPTER 9 ICE SHEETS AND OCEAN PHOSPHATE : Glacial to Interglacial Changes in Ocean Chemistry Introduction Temperature and Salinity Changes Formation and Destruction of Organic Materials Changes in CaCO3 Storage Evidence for an Early Post-Glacial Lysocline Change Changes in Phosphate Concentration The Combined Evidence from Deep Sea Cores Cause of the Oceanic Phosphate Change An Alternate Scenario Wrap Up of the CO2 Record The Oxygen Record Glacial to Interglacial Changes in Ocean Mixing Rate Glacial to Interglacial Lysocline Changes Changes in the Distribution of Nutrients in the Deep Sea Summary CHAPTER 10 CAN MAN OVERRIDE THE CONTROLS? : The Buildup of Fossil Fuel CO2 in the Atmosphere and Oceans Introduction CO2 Production in the Past CO2 Production in the Future Capacity of the Sea for Fossil Fuel CO2 Uptake Utilizable Capacity - Simplified Calculation Utilizable Capacity - Rigorous Calculation Kinetics of Fossil Fuel CO2 Uptake by the Sea Numerical Model crosschecks on the Validity of the Numerical Model Prediction of Future CO2 Levels Solution of Sea Floor Calcite Summary REFERENCES, CONSTANTS, DEFINITIONS, ABBREVIATIONS AND INDEX Introduction to the References Subject Outline for the References Annotated Reference List Frequently Used Constants Definitions of Isotope Notations Abbreviations Index Foldout Caption
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  • 92
    Call number: AWI G3-19-92383
    Description / Table of Contents: In ice-rich permafrost regions, changes in the permafrost thermal regime cause surface disturbances. These changes are amplified by the increase in air temperatures recorded in the Arctic in the past decades. Thermokarst is a process that leads to surface subsidence and formation of characteristic landforms following thawing of ice-rich permafrost or melting of massive ice. Thermokarst is widespread on hillslopes and the number of associated landforms is increasing in the Arctic. Through this process large amounts of material are eroded and transported to the sea or accumulate along hillslopes. While hillslope thermokarst modifies terrestrial and aquatic ecosystems, there is limited understanding of its environmental impact at a regional scale. In this thesis we quantify the environmental impacts of hillslope thermokarst on the valley and nearshore ecosystems along the Yukon Coast, Canada. Using supervised machine learning, we identified geomorphic factors that favour the development of coastal retrogressive thaw slump (RTS), one of the most dynamic hillslope thermokarst landform. Coastal geomorphology and ground ice type and content play a major role in RTS occurrence. Using aerial photographs and satellite imagery, we traced the evolution of RTSs between 1952 and 2011. During this time, the number and areal coverage of RTSs increased by 73%. RTSs eroded and partly released to the nearshore zone organic carbon contained in millions of cubic meters of material. Our results show that 56% of the RTSs identified along the coast in 2011 have eroded 16.6 × 10^6 m3 of material; a large part (45%) was transported alongshore due to coastal processes. Moreover, we show that RTSs are a major contributor to the carbon budget in the nearshore ecosystem: 17% of the coastal RTSs identified in 2011 contributed annually up to 0.6% of the organic carbon released by coastal retreat along the Yukon Coast. To assess the impact of hillslope thermokarst on the terrestrial ecosystem, we measured the spatial distribution of soil organic carbon (SOC) and total nitrogen (TN) along hillslopes in three Arctic valleys. We highlight the high spatial variability in the distribution of SOC and TN in the valleys. This distribution is caused by complex soil processes occurring along the hillslopes. Hillslope thermokarst impacts the degradation of organic matter and affects the storage of SOC and TN.
    Type of Medium: Dissertations
    Pages: xvii, 103 Seiten , Illustrationen
    Language: English
    Note: Dissertation, Universität Potsdam, 2018 , Contents Acknowledgements Abstract (English/Deutsch/Français) List of figures List of tables 1 Introduction 1.1 Scientic background 1.1.1 The Arctic coast, permafrost and climate change 1.1.2 Organic carbon in permafrost soils 1.1.3 Hillslope thermokarst processes 1.2 Aims 1.3 Study region 1.4 Methods 1.4.1 Mapping 1.4.2 Spline interpolation and volumes estimations 1.4.3 Fieldwork 1.4.4 Geochemical analyses 1.4.5 Statistical analyses 1.5 Thesis outline 1.6 Authors’ contributions 2 Synthesis 2.1 Retrogressive thaw slumps are widely spread in ice-rich permafrost areas 2.2 Retrogressive thaw slumps contribute signicantly to the nearshore or-ganic carbon 2.3 Thermokarst impacts the distribution of soil organic carbon along hill-slopes 2.4 Outlook . 3 Terrain Controls on the Occurrence of Coastal RTSs 3.1 Abstract 3.2 Introduction 3.3 Study area 3.4 Methods 3.4.1 Mapping of retrogressive thaw slumps and landform classication 3.4.2 Environmental variables 3.4.3 Univariate regression trees 3.5 Results 3.5.1 Characteristics of retrogressive thaw slumps 3.5.2 Density and areal coverage of retrogressive thaw slumps 3.6 Discussion 3.6.1 Characteristics and distribution of retrogressive thaw slumps 3.6.2 Terrain factors explaining retrogressive thaw slump occurrence 3.6.3 Coastal Processes 3.7 Conclusion 4 RTSs release sediments and organic carbon into the Arctic Ocean 4.1 Abstract 4.2 Introduction 4.3 Study Area 4.4 Methods 4.4.1 Evolution of retrogressive thaw slumps 4.4.2 Volume Estimations 4.4.3 Estimates of soil and dissolved organic carbon values 4.5 Results 4.5.1 Evolution of retrogressive thaw slumps between 1952 and 2011 4.5.2 Eroded material and estimated amount of mobilized SOC and DOC 4.6 Discussion 4.6.1 Increase in slump activity 4.6.2 Eroded material from retrogressive thaw slumps and organic car-bon uxes 4.6.3 Impact of retrogressive thaw slumps on the coastal ecosystem 4.7 Conclusion 5 Snapshot of carbon and nitrogen distribution in Arctic valleys 5.1 Abstract 5.2 Introduction 5.3 Study Area 5.4 Methods 5.4.1 Spatial analyses 5.4.2 Sampling Scheme 5.4.3 Geochemical analyses 5.4.4 Environmental variables and statistical analyses 5.5 Results 5.5.1 Geomorphology of the valleys 5.5.2 Spatial distribution of carbon and nitrogen 5.5.3 Correlations between soil characteristics and geochemical variables 5.6 Discussion 5.6.1 Variability in soil and geochemical properties in Arctic valleys 5.6.2 Hillslope Processes 5.7 Conclusion 6 Eidessttatliche Erklärung A Appendix A.1 Chapter 3 A.2 Chapter 4 A.3 Chapter 5 Bibliography
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  • 93
    Monograph available for loan
    Monograph available for loan
    [Erscheinungsort nicht ermittelbar] : IASC
    Call number: AWI P5-19-92257
    Type of Medium: Monograph available for loan
    Pages: 6 Seiten , Illustrationen
    Language: English
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  • 94
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-82/27
    In: CRREL Report, 82-27
    Description / Table of Contents: Recommendations for economical thicknesses for building insulation result from a study of fuel and construction costs of 12 military installations in Alaska. A comparison between the insulation thickness that a building owner might choose today and what he might choose in 20 years indicates a trend for much thicker insulation in the future. An analysis of how much more expensive a building built today with the thickness that would be appropriate 20 years hence indicates only a small penalty in life-cycle costs for the additional insulation. Therefore, a minimum of R-32 walls and R-62 attics is recommended for most of Alaska.
    Type of Medium: Series available for loan
    Pages: 54 Seiten , Illustrationen
    Series Statement: CRREL Report 82-27
    Language: English
    Note: CONTENTS Abstract Preface Conversion factors Summary Introduction Determining economic thicknesses for insulation Background Analysis method for new construction Analysis method for reinsulating existing construction Sensitivity and longevity of the results Sensitivity Longevity Recommendations Saving money vs. saving energy Energy economics conservation Building energy performance standards Conclusion Literature cited Appendix A: Heating system costs Appendix B: Present worth factors Appendix C: Base case and incremental thermal properties Appendix D: LCC comparison graphs for wall and roof systems Appendix E: Cost penalties for energy conservatism Appendix F: Graphic aid for figuring energy savings thermal improvements
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  • 95
    Call number: ZSP-201-82/26
    In: CRREL Report, 82-26
    Description / Table of Contents: The Caribou-Poker Creeks Research Watershed is a small (101.5-sq km) drainage basin located 48 km northwest of Fairbanks, Alaska. Elevations within the watershed range from 210 to 826 m, and approximately 28% of its area is underlain by permafrost. Climatic differences between the watershed and Fairbanks are primarily due to the higher elevation of the watershed. Generally the watershed climatic sites are warmer in winter and cooler in summer than Fairbanks. Within the watershed the greatest temperature contrasts exist in winter, when the valley-bottom sites are beneath the regional air temperature inversion, and the higher sites are above it. From May through September the total precipitation averages 270 mm, 1.47 times that received at Fairbanks. The annual precipitation is about 1.7 times that of Fairbanks. The historical precipitation record at Fairbanks indicates that summer precipitation was below the long-term normal in eight of the eleven years of watershed measurements (1969-1980); no climatic extremes occurred during this period. An analysis of annual streamflow data showed an inconsistency of baseflow recessions from year to year. The runoff-rainfall ratio for individual summer storms averaged 0.35 for Caribou Creek. Comparisons of spot discharge measurements of predominantly permafrost and non-permafrost subwatersheds showed that permafrost-dominated watersheds have a much flashier response to precipitation than non-permafrost watersheds. A comparison of the annual flow distribution of the watershed indicated that Caribou Creek has lower summer and higher winter discharges per unit area than the Chena or Salcha Rivers.
    Type of Medium: Series available for loan
    Pages: 42 Seiten , Illustrationen
    Series Statement: CRREL Report 82-26
    Language: English
    Note: CONTENTS Abstract Preface Introduction Setting Geology and soils Vegetation Climate Air temperature Precipitation Hydrology Annual and monthly runoff Individual storms Baseflow recessions Spatial flow variability Temporal flow variability Summary and conclusions Literature cited Appendix A: Station histories
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  • 96
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-82/31
    In: CRREL Report, 82-31
    Description / Table of Contents: Information on sea ice conditions in the Bering Strait and the icefoot formation around Fairway Rock, located in the strait, is presented. Cross-sectional profiles of Fairway Rock and the relief of the icefoot are given along with theoretical analyses of the possible forces active during icefoot formation. It is shown that the ice cover most likely fails in flexure as opposed to crushing or buckling, as the former requires less force. Field observations reveal that the Fairway Rock icefoot is massive, with ridges up to 15 m high, a seaward face only 20 degrees from vertical, and interior ridge slopes averaging 33 degrees. The icefoot is believed to be grounded and its width ranges from less than 10 to over 100 m.
    Type of Medium: Series available for loan
    Pages: 44 Seiten , Illustrationen
    Series Statement: CRREL Report 82-31
    Language: English
    Note: CONTENTS Abstract Preface Introduction Bering Strait Field reconnaissance Estimation of ice forces on Fairway Rock 1. Creep deformation 2. Crushing failure 3. Flexural failure 4. Forces required to form floating or grounded pressure ridges along therock or to pile ice on the beaches 5. Buckling failure Driving forces Angle of internal friction of sea ice Summary Literature cited Appendix A: April 1982 field observations at Fairway Rock
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  • 97
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-82/30
    In: CRREL Report, 82-30
    Description / Table of Contents: Equations are developed that can be used to determine the amount of gas present in sea ice from measurements of the bulk ice density, salinity and temperature in the temperature range o f-2 to -30°C. Conversely these relationships can be used to give the density of sea ice as a function of its temperature and salinity, considering both the presence of gas and of solid salts in the ice. Equations are also given that allow the calculation of the gas and brine volumes in the ice at temperatures other than that at which the bulk density was determined.
    Type of Medium: Series available for loan
    Pages: 13 Seiten , Illustrationen
    Series Statement: CRREL Report 82-30
    Language: English
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  • 98
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-82/29
    In: CRREL Report, 82-29
    Description / Table of Contents: Ice grains in a snow cover with a low temperature gradient assume a well-rounded equilibrium form. However, at temperature gradients of 0.1 to 0.2 C/cm (depending somewhat on temperature and snow density), the rounded grains recrystallize into a faceted kinetic growth form. The large temperature gradient must play a decisive role in moving the vapor fast enough to sustain the rapid growth rate associated with the kinetic growth form. Once the large temperature gradient is removed, the grains recrystallize back to the equilibrium form. the recrystallization occurs in either direction without a change in bulk density. The growth of faceted crystals begins at the warmer base of the snow cover where the excess vapor pressure is largest. A transition between the overlying rounded grains moves upward in time. Faceted crystals also grow just below crusts of reduced permeability, where the increased vapor accumulation can sustain the excess vapor pressure neded for kinetic growth. The heat and vapor flows are described using a model based on thermodynamic equilibrium. The temperature distribution is shown to be quasi-linear at steady state in homogeneous snow. The recrystallization of the snow is modeled using the rounded grains as sources and the faceted grains as sinks. In the future this model should be extended to account for different temperatures among the sources and sinks.
    Type of Medium: Series available for loan
    Pages: 27 Seiten , Illustrationen
    Series Statement: CRREL Report 82-29
    Language: English
    Note: Contents: Abstract Preface Introduction Vapor flow Temperature profile Crystal growth rates Equilibirum versus kinetic growth forms of snow crystals Discussion Summary Literature cited
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  • 99
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-82/32
    In: CRREL Report, 82-32
    Description / Table of Contents: Low-frequency (10 Hz) volcanic earthquakes originate at a wide range of depths and occur before, during, and after magmatic eruptions. The characteristics of these earthquakes suggest that they are not typical tectonic events. Physically analogous processes occur in hydraulic fracturing of rock formations, low-frequency icequakes in temperate glaciers, and autoresonance in hydroelectric power stations. We propose that unsteady fluid flow in volcanic conduits is the common source mechanism of low-frequency volcanic earthquakes (tremor). The fluid dynamic source mechanism explains low-frequency earthquakes of arbitrary duration, magnitude, and depth of origin, as unsteady flow is independent of physical properties of the fluid and conduit. Fluid transients occur in both low-viscosity gases and high-viscosity liquids. A fluid transient analysis can be formulated as generally as is warranted by knowledge of the composition and physical properties of the fluid, material properties, geometry and roughness of the conduit, and boundary conditions. To demonstrate the analytical potential of the fluid dynamic theory, we consider a single-phase fluid, a melt of Mount Hood andeside at 1250 deg C, in which significant pressure and velocity variations occur only in the longitudinal direction.
    Type of Medium: Series available for loan
    Pages: 15 Seiten , Illustrationen
    Series Statement: CRREL Report 82-32
    Language: English
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  • 100
    Call number: AWI A13-19-92401
    Description / Table of Contents: The book "Mathematical modelling of general circulation of the atmosphere and ocean" (G. I. Marchuk, V. P. Dymnikov, V. N. Lykossov, V. B. Zalesny, V. Ya. Galin) contains the sistematic description of the mathematical and physical aspects of the problem of general circulation atmosphere and ocean modelling, beginning from the governing equations to the analysis of numerical experiments and programme realization on the different generation computers. The problems of sub-grid processes parametrization methods and the sensitivity of the models to the parametrization of the cloud-radiation interaction, large-scale condensation processes parametrization of the boundary layer are also considered in the book. The book is intended for the experts in numerical and applied mathematics, geophysical hydrodynamics as well as students of universities, concerned with numerical methods of the ocean and the atmosphere simulation.
    Type of Medium: Monograph available for loan
    Pages: 320 Seiten , Illustrationen
    Language: Russian
    Note: In kyrillischer Schrift
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