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  • 1
    Call number: ZSP-204-147
    In: CRREL Technical Report
    Type of Medium: Series available for loan
    Pages: iv, 18 S. : graph. Darst.
    Series Statement: CRREL Technical Report 147
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  • 2
    Call number: ZSP-204-169
    In: CRREL Technical Report
    Type of Medium: Series available for loan
    Pages: iv, 62 S. : Ill., graph. Darst.
    Series Statement: CRREL Technical Report 169
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  • 3
    Series available for loan
    Series available for loan
    Hanover, NH
    Associated volumes
    Call number: ZSP-204-172
    In: CRREL Technical Report
    Type of Medium: Series available for loan
    Pages: iv, 36 S. : zahlr. graph. Darst.
    Series Statement: CRREL Technical Report 172
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  • 4
    Call number: ZSP-553-178,3
    In: Meddelelser om Grønland
    Type of Medium: Monograph available for loan
    Pages: 77 S., 1 Taf. : Ill., graph. Darst., Kt.
    Series Statement: Meddelelser om Grønland 178,3
    Language: English
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  • 5
    Call number: ZSP-553-159,12
    In: Meddelelser om Grønland
    Type of Medium: Monograph available for loan
    Pages: 114 S., 38 Taf. : Ill., graph. Darst.
    Series Statement: Meddelelser om Grønland 159,12
    Language: English
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  • 6
    Monograph available for loan
    Monograph available for loan
    Associated volumes
    Call number: ZSP-558-8
    In: Middle atmosphere program
    Type of Medium: Monograph available for loan
    Pages: 76 S.
    Language: English
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  • 7
    Call number: ZSP-558-14 ; MOP 46209 / Mitte
    In: Middle atmosphere program
    Type of Medium: Series available for loan
    Pages: 368 S. : Ill., graph. Darst.
    Language: English
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  • 8
    Call number: ZSP-558-13 ; MOP 46209 / Mitte
    In: Middle atmosphere program
    Type of Medium: Series available for loan
    Pages: 261 S. : Ill., graph. Darst.
    Language: English
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  • 9
    Call number: ZSP-553-10
    In: Meddelelser om Grønland
    Type of Medium: Monograph available for loan
    Pages: 28 S., 11 Beil.
    ISBN: 8717051118
    ISSN: 0106-1046
    Series Statement: Meddelelser om Grønland : Geoscience 10
    Language: English
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  • 10
    Call number: ZSP-558-7 ; MOP 46209 / Mitte
    In: Middle atmosphere program
    Type of Medium: Series available for loan
    Pages: 152 S.
    Language: English
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  • 11
    Call number: AWI S1-17-90652
    Type of Medium: Monograph available for loan
    Pages: 560 S. , graph. Darst.
    Edition: Izdanie Trinadcatoe
    Language: Russian
    Note: In kyrill. Schr.
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  • 12
    Monograph available for loan
    Monograph available for loan
    London : Macmillan
    Call number: AWI G7-19-92303
    Type of Medium: Monograph available for loan
    Pages: XLIII, 296 Seiten , Illustrationen
    Language: English
    Note: CONTENTS: INTRODUCTION. - VARIATIONS IN CLIMATE. - LIVING GLACIERS AND THEIR MOTIONS. - HOW GLACIERS SCOUR THEIR VALLEYS. - STRIATED STONES AND BouLDER CLAY. - SEASONALLY BANDED CLAYS. - METAMORPHOSED GLACIAL DEPOSITS. - PART I THE PLEISTOCENE ICE AGE. - CHAPTER I PLEISTOCENE GLACIATION IN NORTH AMERICA. - GENERAL FEATURES. - THE DRIFT. - EXTENT OF PLEISTOCENE GLACIATION. - DIFFERENCES IN CLIMATE DURING THE ICE AGE. - THE CORDILLERAN ICE SHEET. - THE KEEWATIN ICE SHEET. - THE LABRADOREAN ICE SHEET. - CONDITIONS SOUTH OF THE MAIN ICE SHEETS. - INTERGLACIAL PERIODS IN AMERICA. - TORONTO AND MOOSE RIVER INTERGLACIAL FORMATIONS. - GLACIATION IN GREENLAND. - REFERENCES. - CHAPTER II THE ICE AGE IN OTHER REGIONS. - GLACIATION IN ICELAND AND SPITZBERGEN. - GLACIATION OF NORTHERN EUROPE. - THE ICE AGE IN THE ALPS. - THE ICE AGE IN ASIA. - THE ICE AGE IN TROPICAL AND SOUTH TEMPERATE LANDS. - GLACIATION IN ANTARCTICA. - THE SLOPE OF THE SURFACE AND THE THICKNESS OF ICE SHEETS. - REFERENCES. - CHAPTER Ill RESULTS OF PLEISTOCENE GLACIATION. - GENERAL CONCLUSIONS. - EFFECTS OF GLACIATION ON LIFE. - PLACES OF REFUGE. - LIFE ON NUNATAKS. - EFFECTS OF ICE SHEETS COMBINED WITH BARRIERS. - ICE SHEETS AND ISOSTASY. - DURATION OF THE PLEISTOCENE ICE AGE. - REFERENCES. - PART II PRE-PLEISTOCENE ICE AGES. - CHAPTER IV CENOZOIC AND MESOZOIC GLACIATION. - PROBABLE TILLITES IN EUROPE. - EOCENE GLACIATION IN NORTH AMERICA. - EOCENE GLACIATION IN ANTARCTICA. - EFFECTS ON LIFE OF THE EOCENE COOLING. - MESOZOIC GLACIATION IN CENTRAL AFRICA. - JURASSIC TILLITES IN NORTH AMERICA. - REFERENCES. - CHAPTER V LATE PALÆOZOIC GLACIATION. - INTRODUCTION. - PERMIAN AND CARBONIFEROUS GLACIATION IN EUROPE. - REFERENCES. - CHAPTER VI PERMO-CARBONIFEROUS GLACIATION IN INDIA. - THE TALCHIRS. - THE SALT RANGE TILLITES. - A VISIT TO THE TALCHlRS. - PERMO-CARBONIFEROUS DEPOSITS IN OTHER PARTS OF ASIA. - EXTENT AND CHARACTER OF THE ASIATIC GLACIATION. - EFFECTS ON LIFE OF THE INDIAN GLACIATION. - REFERENCES. - CHAPTER VII PERMO-CARBONIFEROUS GLACIATION IN AFRICA. - INTRODUCTION. - DWYKA TILLITE IN SOUTHERN CAPE COLONY. - THE DWYKA IN NATAL. - THE DWYKA IN TRANSVAAL. - GLACIAL FEATURES NEAR KIMBERLEY. - EXTENT OF SOUTH AFRICAN GLACIATION. - EFFECTS OF GLACIATION ON THE LIFE OF SOUTH AFRICA. - REFERENCES. - CHAPTER VIII LATE PALÆOZOIC GLACIATION IN AUSTRALIA. - GENERAL FEATURES. - A GLIMPSE OF THE AUSTRALIAN GLACIAL BEDS. - SPECIAL FEATURES OF THE LATE PALÆOZOIC GLACIATION IN AUSTRALIA. - EFFECTS OF THE GLACIATION ON THE FLORA AND FAUNA. - PERMO-CARBONIFEROUS GLACIATION IN NEW ZEALAND. - POSSIBLE GLACIATION IN THE MALAY STATES. - REFERENCES. - CHAPTER IX PERMO-CARBONIFEROUS GLACIATION IN SOUTH AMERICA. - INTRODUCTION. - GLACIAL BEDS IN SÃO PAULO, SOUTHERN BRAZIL. - TILLITES IN STATES SOUTHWEST OF SÃO PAULO. - SUGGESTION OF TILLITE IN URUGUAY. - GLACIATION IN SOUTHEASTERN ARGENTINA. - TILLITES NEAR SAN JUAN IN WESTERN ARGENTINA. - GLACIAL CONGLOMERATES IN BOLIVIA. - PERMO-CARBONIFEROUS GLACIATION IN THE FALKLAND ISLANDS. - AREA AND GENERAL FEATURES OF GLACIATION IN SOUTH AMERICA. - RELATIONS OF THE FLORA AND FAUNA TO GLACIATION. - REFERENCES. - CHAPTER X PERMIAN OR CARBONIFEROUS GLACIATION IN NORTH AMERICA. - BOULDER CONGLOMERATES IN NOVA SCOTIA. - A POSSIBLE PERMIAN MORAINE IN PRINCE EDWARD ISLAND. - THE SQUANTUM TILLITE. - ALASKAN PERMO-CARBONIFEROUS TILLITES. - OTHER POSSIBLE PERMIAN OR CARBONIFEROUS TILLITES. - CORRELATION OF THE LATE PALÆOZOIC GLACIAL DEPOSITS. - EFFECTS ON LIFE OF THE LATE PALÆOZOIC ICE AGE. - REFERENCES. - CHAPTER XI MIDDLE AND EARLY PALÆOZOIC GLACIATION. - DEVONIAN GLACIATION. - SILURIAN GLACIATION. - ORDOVICIAN GLACIATION IN EUROPE. - THE LIMESTONE CONGLOMERATE. - REFERENCES. - CHAPTER XII GLACIATION AT OR JUST BEFORE THE BEGINNING OF THE CAMBRIAN. - EARLY CAMBRIAN OR LATE PRE-CAMBRIAN TILLITES IN EUROFE. - EARLY CAMBRIAN OR LATE PRE-CAMBRIAN BOULDER CONGLOMERATES IN NORTH AMERICA. - EARLY CAMBRIAN GLACIATION IN ASIA. - EARLY CAMBRIAN OR LATE PRE-CAMBRIAN TILLITES IN SOUTH AFRICA. - EARLY CAMBRIAN OR LATE PRE-CAMBRIAN TILLITES IN AUSTRALIA. - REFERENCES. - CHAPTER XIII GLACIATION IN HURONIAN AND EARLIER TIMES. - HURONIAN TILLITES. - OTHER TILLITES WHICH MAY BE HURONIAN. - TIMISKAMIAN OR SUDBURIAN BOULDER CONGLOMERATES. - SEASONAL BANDING IN TIMISKAMIAN OR SUDBURIAN ROCKS. - THE DORÉ CONGLOMERATE. - THE DARWAR BOULDER CONGLOMERATE OF INDIA. - CONCLUSIONS. - REFERENCES. - PART Ill CAUSES OF GLACIATION. - INTRODUCTION. - FEATURES THAT HAVE TO BE ACCOUNTED FOR. - TYPES OF THEORIES PROPOSED TO ACCOUNT FOR ICE AGES. - CHAPTER XIV GEOLOGICAL THEORIES OF ICE AGES. - THE SUPPOSED COOLING OF THE EARTH. - THEORIES CONNECTED WITH CHANGES OF LEVEL. - THE EFFECTS OF DEPRESSION. - THE SUPPOSED DRIFT OF CONTINENTS. - CHANGES IN OCEAN CURRENTS. - REFERENCES. - CHAPTER XV ATMOSPHERIC AND ASTRONOMIC THEORIES. - ATMOSPHERIC CHANGES AS CAUSES OF GLACIATION. - EFFECTS OF CARBON DIOXIDE. - EFFECTS OF VOLCANIC DUST. - CROLL'S THEORY OF CHANGES OF EXCENTRICITY IN THE EARTH'S ORBIT. - DRAYSON'S THEORY OF CHANGES OF ANGLE OF THE EARTH'S TO THE ECLIPTIC. - SHIFTING OF THE EARTH'S AXIS. - CHANGES IN THE RADIATION OF THE SUN. - CHANGES IN THE TEMPERATURE OF SPACE. - CONCLUSIONS. - REFERENCES. - INDEX TO AUTHORS. - GENERAL INDEX.
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  • 13
    Call number: AWI P9-83-1080
    In: Prace naukowe Uniwersytetu Śląskiego
    Type of Medium: Monograph available for loan
    Pages: 191 Seiten , Illustrationen, Karten
    ISBN: 83-00-00355-X
    Series Statement: Prace naukowe Uniwersytetu Śląskiego 543
    Language: Polish
    Note: Contents: Preface: Scientific activity of the Silesian University in the polar regions in 1977-1980. - PAPERS. - Ablation by calving and 20th century recession of glaciers in the Hornsund area (Spitsbergen). Preliminary results / Jacek Jania. - The occurence and origin of coarse crystalline calcite in the carbonate massiffs of Sørkappland (South Spitsbergen) / Łukasz Karwowski, Andrzej Kozik. - Surface run-off dynamics of the basin of the Nordfall Glacier steam (South Spitsbergen) / Jan Leszkiewicz. - Karst springs at the foot of Rasstupet wall in the South Spitsbergen in the investigations from 1978 / Jan Leszkiewicz. - Aeolian activity in the Gås Bay region (South Spitsbergen) / Tadeusz Szczypek. - Geomorphological activity of flowing waters on the Kaffiöyra plain (Spitsbergen) / Kazimierz Sendobry. - Preliminary characteristics of the basins in the vicinity of Henryk Arctowski Station on King George Island (South Shetlands) / Andrzej Kozik. - SCIENTIFIC DOCUMENTATION. - Meteorological investigations in South Spitsbergen in the summer of 1978. Specification / Andrzej Kaminski. - Meteorological materials collected in South Spitsbergen in the summer of 1979. Specification / Andrzej Kaminski. - Preliminary results of hydrological and hydrochemical investigations in Fugleberget basin (SW Spitsbergen) / Wiesława Krawczyk, Marian Pulina. - Karst springs at the foot of the Rasstupet wall. Specification of 1978-1979 / Jan Leszkiewicz, Jerzy Wach, Jan Waga. - Scientific publications from the polar expeditions of the Silesian University. , In polnischer Sprache , Zusammenfassung in englischer und russischer Sprache
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  • 14
    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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  • 15
    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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  • 16
    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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  • 17
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-84/4
    In: CRREL Report, 84-4
    Description / Table of Contents: Ice problems developed in the Sault Ste. Marie, Michigan, portion of the St. Marys River because of winter navigation. Passing ships and natural influences moved ice from Soo Harbor into Little Rapids Cut in sufficient quantities to jam, cause high water in the harbor, and prevent further ship passage. After physical model and engineering studies, two ice booms with a total span of 1375 ft (419 m) with a 250-ft (76-m) navigation opening between were installed at the head of Little Rapids Cut in 1975. A modest field study program on the booms was conducted for the ensuring four winters to determine ice and boom interaction and the effects of ship passages on the system. Forces on some anchors were recorded and supplemental data were taken by local personnel. Several reports have been written about the booms' early operations. This paper presents four-year summary of the main effects of the booms on ice and ship interaction and vice versa. Throughout the four winter seasons, the small quantities of ice lost over and between the booms were manageable. Ships usually passed through the boom without influencing the boom force levels, but at time they brought about large changes. One boom needed strengthening, and artificial islands were added for upstream ice stability. Coast Guard icebreakers were also a necessary part of winter navigation in this area.
    Type of Medium: Series available for loan
    Pages: iv, 18 Seiten , Illustrationen
    Series Statement: CRREL Report 84-4
    Language: English
    Note: CONTENTS Abstract Preface Introduction St. Marys River Ice problems Remedial measures Field studies Highlights, trends, and major findings Modifications to boom Maximum forces Ship traffic Characteristics Effect of boom forces Effect on ice Conclusion Literature cited Appendix A: Ice boom forces
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  • 18
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-84/6
    In: CRREL Report, 84-6
    Description / Table of Contents: An expression relating aerosol growth to cold environmental conditions was developed. This was accomplished by solving the diffusion equation with the method of Laplace transformation. The series solution was expressed in terms of the dimensionless parameters K (ratio of vapor density over droplet surface to droplet density), ω (ratio of environmental vapor density at time zero to vapor density over droplet surface), and dimensionless time τ (ratio of product of diffusion coefficient D and time t to square of initial radius of condensation nucleus). To take into account the variation of the vapor density over the surface of an acidic condensation nucleus due to the continuous dilution of the droplet, the solution was obtained by assuming various levels of constant vapor concentration. The final expression [R/R sub o - 1 = 2.4917 x 10 to the minus 18th power) exp(0.0737 θ) (P sub RHS/25) x (100-P sub RHS) τ to the 0.9890 powder] can be used to compute the value of R once the values of initial radius R sub o, relative humidity P sub RH, percent of relative humidity at the droplet surface P sub RHS, and environmental temperature θ are given.
    Type of Medium: Series available for loan
    Pages: vi, 28 Seiten , Illustrationen
    Series Statement: CRREL Report 84-6
    Language: English
    Note: CONTENTS Abstract Preface Nomenclature General background The problem Method of solution Results and discussion Conclusions Literature cited Appendix: Evaluation of rn's in equation 25
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  • 19
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-84/7
    In: CRREL Report, 84-7
    Description / Table of Contents: Experiments were conducted in CRREL's refrigerated flume facility to examine the two-dimensional force distribution of a floating, fragmented ice cover restrained by a boom in a simulated river channel. To determine the force distribution, a vertically walled channel, instrumented for measuring normal and tangential forces, and an instrumented restraining boom were installed in a 40.0- by 1.3-m flume. Two sizes of polyethylene blocks and two similar sizes of fresh-water ice blocks were tested using water velocities ranging from 10 to 30 cm/s. The forces measured at the instrumented boom leveled off with increasing cover length. The contribution of the increasing shear forces developed along theshorelines to this leveling off in the data was clearly evident. The shear coefficients of the polyethylene blocks averaged 0.43, and the freshwater ice averaged 0.044. The normal force measured along the instrumented shoreline could not be related simply by a K coefficient to the longitudinal force; another expression was required, with a term being a function of the cover thickness and independent of the undercover shear stress or cover length. By adding this term, good agreement was then found between the measured and predicted values of the boom forces and the shoreline normal and shear forces
    Type of Medium: Series available for loan
    Pages: iv, 22 Seiten , Illustrationen
    Series Statement: CRREL Report 84-7
    Language: English
    Note: CONTENTS Abstract Preface Introduction Experiments Test flume facility Experimental apparatus Experimental procedure Results Plastic versus freshwater ice Shoreline forces Boom forces Average shear stress under ice cover Internal forces Discussion Data scatter Summary and conclusions Literature cited Appendix A: Experimental results
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  • 20
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-84/8
    In: CRREL Report, 84-8
    Description / Table of Contents: This report describes the equipment and procedures that were used for acquiring, preparing and testing samples of multi-year sea ice. Techniques and procedures are discussed for testing ice samples in compression and tension at constant strain rates and constant loads, as well as in a conventional triaxial cell. A detailed account is given of the application and measurement of forces and dispiacements on the ice test specimens under these different loading conditions.
    Type of Medium: Series available for loan
    Pages: iv, 43 Seiten , Illustrationen
    Series Statement: CRREL Report 84-8
    Language: English
    Note: CONTENTS Abstract Preface Introduction Test material and test specimens Test material Required dimensions for test specimens Acquisition and preparation of specimens Field core sampling Specimen preparation in the laboratory Application of forces and displacements to uniaxial specimens Compression Tension Squareness imperfections Loading devices Universal testing machine Gas actuator for constant load Weight-and-pulley system for constant tension Equipment for triaxial tests Measurement of force and displacement Force Displacement Readouts and recorders Literature cited Appendix A: Phenolic-resin end caps Appendix B: Compliant platens Appendix C: Theoretical factor for converting overall strain to gauge-length strain indumbbell specimens Appci dix D: Items developed but not used in Phase I Appendix E: Use of the Brazil test
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  • 21
    Call number: ZSP-980-28
    In: ZfI-Mitteilungen, Nr. 28
    Type of Medium: Series available for loan
    Pages: 225 Seiten , Illustrationen
    Series Statement: ZfI-Mitteilungen 28
    Language: German
    Note: Inhaltsverzeichnis: Eröffnungsvortrag: Die Entwicklung der Isotopen- und Strahlenforschung in der DDR / K. Wetzel. - Neuere Arbeiten zur Stoffanalytik / G. Brunner. - Die Entwicklung der massenspektroskopischen Elementspurenanalyse / H.-J. Dietze. - Anwendung der theoretischen Physik in der Isotopen- und Strahlenforschung / R. Haberlandt. - Zur Anwendung radioaktiver tracer in der Industrie / H. Koch. - Die Wechselwirkung von Kernstrahlung mit Gasen - Grundlagen und Anwendungen / J. Leonhardt, J. Boes, H.-J. Grosse, P. Popp. - Stand und Entwicklungstendenzen der strahlenchemischen Forschung / W. Reicherdt. - Die Trennung, Gewinnung und Nutzung von Spaltprodukten / M. Roesseler. - Isotope in der Natur / H. Schuetze. - Beteiligung des Zentralinstitutes für Isotopen- und Strahlenforschung im Rahmen der DDR-Antarktisforschung während der 23. Sowjetischen Antarktisexpedition (SAE) 1977-1979 / G. Strauch, D. Fritzsche. - Radionuklide in Diagnostik und Therapie / Dr. Vormum. - Übersicht über die bisher erschienenen Nummern der ZfI-Mitteilungen.
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  • 22
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-82/43
    In: CRREL Report, 82-43
    Description / Table of Contents: The radar signatures of ice wedges and wedge-like structures have been investigated for a variety of soil conditions. The radar used for this study emitted short sinusoidal pulses of about 10-ns duration with an approximate center frequency of 150 MHz. Most of the ice wedges existed at depths of about 1 m in a variety of silty and sandy soils with both frozen and thawed active layers. The position of the wedges was usually identified from corresponding surface features. An artificial ice wedge in coarse-grained alluvium was also profiled as well as wedge-like structures of fine silt in a coarse-grained glacial outwash. All wedges and wedge-like structures produced a hyperbolic reflection profile except when an active layer of thawed, saturated silt was present which eliminated returns from the wedges. The peaks of the hyper-bolas were sometimes masked by reflections from the permafrost table or other material interfaces, and multiple hyperbolas occurred at some sites. The dielectric constant of the host medium was often calculated from the linear portions of the hyperbolas and the results were verified by laboratory time domain reflectometry measurements per-formed on field samples. In some cases, hyperbolic profiles originated at several meters depth suggesting that deep ice wedges could be detected in areas of cold permafrost.
    Type of Medium: Series available for loan
    Pages: iv, 19 Seiten , Illustrationen
    Series Statement: CRREL Report 82-43
    Language: English
    Note: CONTENTS Abstract Preface Introduction Background Objectives and procedures Equipment used Radar TDR Definitions Massive ice Results Artificial wedge: Norwich, Vermont Ice wedges in sand: Fish Creek, Alaska Ice wedges: Prudhoe Bay, Alaska Ice wedges under thawed fine-grained soils: North Slope, Alaska Wedge-like soil structures: Ft. Greely, Alaska TDR measurements Summary and concluding remarks Literature cited Appendix A: Brief discussion of dispersion
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  • 23
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    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-82/42
    In: CRREL Report, 82-42
    Description / Table of Contents: A high-resolution impulse radar profiling system was evaluated for 1) detecting the existence of sea ice which coring has revealed to exist on the bottom of the Ross Ice Shelf at Site J-9, 2) detecting the preferred horizontal c-axis azi-muthal direction of the sea ice crystals, using the voltage amplitude of the radar reflection from the sea ice bottom, and 3) determining the direction of the currents under an Antarctic ice shelf. A field program was conducted consisting of a surface radar survey on the Ross Ice Shelf at Site J-9 and surface and airborne radar profiling on the McMurdo Ice Shelf. The CRREL impulse radar system, operating at a center frequency of either 80 MHz or 20 MHz, was unable to detect the shelf bottom at Site J-9, which drilling revealed to be 416 m below the snow surface. The radar system was used to profile the McMurdo Ice Shelf both from the snow surface and from the air; a shelf thickness of about 275 m was easily detected. Theoretical considerations indicate that the bulk conductivity of the ice shelf at Site J1-9 was higher than originally anticipated, and this limited the radar sounding depth to about 405 m when operating at a frequency of 20 MHz.
    Type of Medium: Series available for loan
    Pages: iv, 19 Seiten , Illustrationen
    Series Statement: CRREL Report 82-42
    Language: English
    Note: CONTENTS Abstract Introduction Profiling system Theoretical considerations Field program Discussion Literature cited
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  • 24
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    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-82/41
    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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  • 25
    Monograph available for loan
    Monograph available for loan
    Karl-Marx-Stadt : Institut für Fachschulwesen der Deutschen Demokratischen Republik
    Call number: AWI G4-18-92019
    Type of Medium: Monograph available for loan
    Pages: 64 Seiten , Tabellen
    Language: German
    Note: Inhaltsverzeichnis: 0. Einleitung. - 1. Pegelstellen. - 1.1 Allgemeine Erläuterungen. - 1.2 Anforderungen an Pegelstellen. - 1.3 Einrichtung von Pegelstellen. - 2. Pegelarten. - 2.1 Allgemeine Erläuterungen. - 2.2 Lattenpegel. - 2.3 Mechanische Schreibpegel. - 2.4 Druckluftpegel. - 2.5 Elektrische Fernpegelanlagen. - 2.6 Durchführung der Wasserstandsbeobachtung. - 3. Durchflußbestimmung. - 3.1 Allgemeine Erläuterungen. - 3.2 Behältermessung. - 3.3 Farbgeschwindigkeitsmessung. - 3.4 Schwimmermessung. - 3.5 Danaiden oder Maßdüsen. - 3.6 Staurohr. - 3.7 Wasserzähler. - 3.8 Radioaktive Isotope. - 3.9 Salzverdünnungsmessung. - 3.10 Maßwehre, Venturikanäle. - 4. Durchflußmessungen mit dem hydrometrischen Flügel. - 4.1 Meßgerät. - 4.2 Flügelarten. - 4.3 Auswahl und Einrichtung einer Durchflußmeßstelle. - 4.4 Durchführung der Durchflußmessung. - 4.5 Auswertung der Messungen. - 4.5.1 Rechnerische Auswertung der Messungen. - 4.5.2 Graphische Auswertung der Messungen. - 4.6 Ablaufmessungen. - 4.7 Auswertung bei wechselndem Wasserstand. - 5. Durchflußkurven. - 5.1 Konstruktion der Durchflußkurve. - 5.2 Durchflußtafel. - 6. Messungen und Auswertungen bei Eis und Verkrautung. - Literaturverzeichnis.
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  • 26
    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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  • 27
    Monograph available for loan
    Monograph available for loan
    Leipzig : VEB Bibliographisches Institut
    Call number: AWI A3-18-91938
    Type of Medium: Monograph available for loan
    Pages: 191 Seiten , Illustrationen
    Edition: 1.-6. Tausend
    Series Statement: Meyers Taschenlexikon
    Language: German
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  • 28
    Call number: ZSP-201-83/22
    In: CRREL Report, 83-22
    Description / Table of Contents: A new experimental method for measuring the soil-water diffusivity of frozen soil under isothermal conditions is introduced. The theoretical justification of the method is presented and the feasibility of the method is demonstrated by experiments conducted using marine-deposited clay. The measured values of the soil-water diffusivity are found comparable to reported experimental data.
    Type of Medium: Series available for loan
    Pages: 13 Seiten , Illustrationen
    Series Statement: CRREL Report 83-22
    Language: English
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  • 29
    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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  • 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-201-84/11
    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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  • 31
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    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-82/23
    In: CRREL Report, 82-23
    Description / Table of Contents: A direct filtration, water treatment pilot plant was operated on the Kenai River at Soldotna, Alaska, during the summer of 1980. The purpose of the pilot plant operations was to determine the feasibility of the direct filtration process for removal of glacial silt. The major criterion used to determine feasibility was production of water containing less than 1.0 NTU of turbidity. For the range of raw water turbidities encountered (22-34 NTU), the pilot plant testing indicated that direct filtration was feasible and could be considered as an alternative to conventional waiter treatment plants containing sedimentation tanks.
    Type of Medium: Series available for loan
    Pages: 26 Seiten , Illustrationen
    Series Statement: CRREL Report 82-23
    Language: English
    Note: CONTENTS Abstract Preface Conversion factors: U.S. customary to metric Introduction Glacial characteristics Water treatment Materials and methods Experimental design Pilot plant intake Hydrocyclone Chemical addition system Flocculation system Filtration system Pilot plant operations Coagulant chemical preparations Flow measurement Sampling Results and discussion Kenai River w ater quality Evaluation of pilot plant testing Performance of pilot plant elements Physical and chem ical variables Conclusions Recommendations Literature cited
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  • 32
    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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  • 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-202-87
    In: Research report / Cold Regions Research and Engineering Laboratory, 87
    Description / Table of Contents: Abstract: A consistent theory of plane plastic deformation of soil is formulated by assuming soil as an ideal material that has constant cohesion and friction angle. Such an ideal soil is an extension of the ideal metal that has, in the terminology of soil mechanics, cohesion only. After a review of the existing theories from which the present theory has emerged, the mathematical expression referred to as the "compression characteristic" is developed. Then the system of differential equations is shown by the theory of characteristic lines. Many mathematical and physical problems remain to be solved before the perfect explanation of the plasticity of ideal soil will be attained.
    Type of Medium: Series available for loan
    Pages: iv, 42 Seiten
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory 87
    Language: English
    Note: CONTENTS Preface Summary Introduction Review of existing theories The compression characteristic Characteristic directions Conclusions Literature cited Appendix A. Proof of Yamaguchi's principle Appendix B. Strain-rate tensor in the strain-rate characteristic line coordinates Appendix C. Stress, strain-rate relationship Appendix D. Bearing on the. Drucker and Prager three -dimensional deformation Appendix E. Notation
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  • 34
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-82/4
    In: CRREL Report, 82-4
    Description / Table of Contents: Several proposed methods for treating the momentum flux between drifting sea ice and the underlying ocean are interpreted in terms of simple planetary-boundary-layer (PBL) turbulence theory. The classical two-layer approach, in which the solution for a thin surface layer is matched to an Ekman solution for the outer layer, is used to derive several forms of the drag law. These forms range from linear (where stress is proportional to relative speed), through quadratic (where stress is proportional to relative speed squared), to a Rossby-similarity law like that used to express frictional drag on geostrophic wind in the atmosphere. Only formulations which conform with Rossby-similarity scaling are consistent with free-drift data from the 1975 AIDJEX drift station experiment.
    Type of Medium: Series available for loan
    Pages: iv, 17 Seiten , Illustrationen
    Series Statement: CRREL Report 82-4
    Language: English
    Note: CONTENTS Abstract Preface Background Hierarchy of drag laws and simple models The momentum equation for the planetary boundary layer Linear eddy viscosity - the constant stress layer Two-layer eddy viscosity PBL scaling A dimensionless two-layer system A dimensionless two-layer system with modified stress Evaluating the drag laws Rossby similarity parameters and buoyancy effects Discussion Literature cited
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  • 35
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-82/21
    In: CRREL Report, 82-21
    Description / Table of Contents: The acoustic emission response from fine-grained polycrystalline ice subjected to constant compressive loads was examined. A number of tests were conducted with the nominal stress ranging from 0.8 to 3.67 MPa at a temperature of -5 C. The acoustic emission response was recorded and the data are presented with respect to time and strain. The source of acoustic emissions in ice is considered in terms of the formation of both microfractures and visible fractures that develop without catastrophic failure of the ice. A model to describe the acoustic emission response is developed.
    Type of Medium: Series available for loan
    Pages: iv, 15 Seiten , Illustrationen
    Series Statement: CRREL Report 82-21
    Language: English
    Note: CONTENTS Abstract Preface Introduction Background Experimental procedures Ice specimens Mechanical test equipment Acoustic emission equipment Data recording Acoustic emission sources in ice Acoustic events and visible fracturing Source mechanisms Tests on ice single crystals General acoustic emission response Analysis of data Transient response Steady-state response Amplitude distribution Combined transient and steady-state response in the time domain Discussion Summary Literature cited
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  • 36
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    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-203-116
    In: Special report / Cold Regions Research and Engineering Laboratory, Corps of Engineers, US Army, 116
    Description / Table of Contents: Abstract: Pendulum steering, a new concept of attitude stabilization for thermal probes or coring drills in ice, eliminates instability. The center of support is placed above the center of gravity. A lower and upper hot point produce melt penetration. The ratio of their power levels is the basis for stabilization, which is provided by the automatic control of the heater in the upper hot point. This feature makes possible a single thermal probe design that is suitable for all ice cap temperatures and a wide range of penetration rates (i.e., applied power levels). The simplicity of a thermal probe with pendulum steering suggests availability at modest cost and versatility as a widely applicable tool.
    Type of Medium: Series available for loan
    Pages: iv, 4 Seiten , Illustrationen
    Series Statement: Special report / Cold Regions Research and Engineering Laboratory, Corps of Engineers, US Army 116
    Language: English
    Note: CONTENTS Preface Summary Introduction The principle of pendulum steering Analysis of the power requirements The upper heater control Laboratory tests Summary
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  • 37
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    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-81/9
    In: CRREL Report, 81-9
    Description / Table of Contents: Abstract: The calculation of the largest horizontal force a relatively thin floating ice plate may exert on a structure requires the knowledge of the buckling load for this floating plate. In the published literature on the stability of continuously supported beams and plates, it is usually assumed that this buckling force corresponds to the lowest bifurcation force Pcr. However, recent studies indicate that, generally, this is not the case, and this report clarifies the situation for floating ice plates. This problem is first studied on a simple model that exhibits the buckling mechanism of a floating ice plate but is amenable to an exact nonlinear analysis. This study shows that, depending on the ratio of the rigidities of the "liquid" and "plate," the post-buckling branch may rise or drop away from the bifurcation point. Thus, Pcr may or may not be the actual buckling load. It is also shown that when lift-off of "plate" from the "liquid" takes place the actual buckling load may drop substantially. This study is followed by an analysis of a floating compressed semi-infinite plate with a straight free edge, assuming that there is no lift-off. It is found that for this case there always exists a buckling load that is lower than Pcr. According to the obtained results, the value Pcr should be used with caution as a buckling load for floating ice plates. It is suggested that the buckling load be determined using the postbuckling equilibrium branch of the plate, taking into consideration the possibility of lift-off of the ice cover from the liquid base.
    Type of Medium: Series available for loan
    Pages: 7 Seiten , Illustrationen
    Series Statement: CRREL Report 81-9
    Language: English
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  • 38
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    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-81/5
    In: CRREL Report, 81-5
    Type of Medium: Series available for loan
    Pages: 27 Seiten , Illustrationen
    Series Statement: CRREL Report 81-5
    Language: English
    Note: CONTENTS Abstract Preface Introduction Test setup Test results The USCGC Mackinaw The Roger Slough The Cason J. Callaway The imperial St. Clair Vibration levels Discussion Frequency content Magnitude Mode of transmission Opening the channel Flexural waves Duration and occurrence of maximum vibrations Effect of weather Conclusions and recommendations Literature cited
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  • 39
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    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-81/10
    In: CRREL Report, 81-10
    Description / Table of Contents: Abstract: This treatise thoroughly reviews the subjects of density, thermal expansion and compressibility of ice; snow density change attributed to destructive, constructive and melt metamorphism; and the physics of regelation and the effects on penetration rate of both the thermal properties of the wire and stress level. Heat capacity, latent heat of fusion and thermal conductivity of ice and snow over a wide range of temperatures were analyzed with regression techniques. In the case of snow, the effect of density was also evaluated. The contribution of vapor diffusion to heat transfer through snow under both natural and forced convective conditions was assessed. Expressions representing specific and latent heat of sea ice in terms of sea ice salinity and temperature were given. Theoretical models were given that can predict the thermal conductivities of fresh bubbly ice and sea ice in terms of salinity, temperature and fractional air content.
    Type of Medium: Series available for loan
    Pages: 27 Seiten , Illustrationen
    Series Statement: CRREL Report 81-10
    Language: English
    Note: CONTENTS Abstract Preface Nomenclature Introduction Density, thermal expansion and compressibility of ice Density Thermal expansion Compressibility Density changes in snow Compaction Destructive metamorphism Constructive metamorphism Melt metamorphism Regelation Thermal properties of snow and fresh-water ice Heat capacity of snow and ice Latent heat Thermal conductivity of ice Thermal conductivity of snow Effective thermal diffusivity Heat transfer by water vapor diffusion in snow Heat and vapor transfer with forced convection Thermal properties of sea ice Specific heat of sea ice Heat of fusion of sea ice when 0° 〉 θ 〉 -8.2°C Density and thermal conductivity of sea ice Composition and air bubble content of sea ice above -8.2°C Thermal conductivity model for sea ice Thermal diffusivity of sea ice Method of determining thermal diffusivity Summary Literature cited
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  • 40
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    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-81/11
    In: CRREL Report, 81-11
    Description / Table of Contents: Abstract: Relative displacement data from high explosive, shallow-buried bursts in rock are combined with relative displacement data from the contained nuclear explosion MIGHTY EPIC. Analysis of these data yields a preliminary, semi-empirical technique for predicting the location, direction and magnitude of relative displacements in rock from contained explosions. This technique is used to make relative displacement predictions for the DIABLO HAWK nuclear blast.
    Type of Medium: Series available for loan
    Pages: iv, 23 Seiten , Illustrationen
    Series Statement: CRREL Report 81-11
    Language: English
    Note: CONTENTS Abstract Preface Introduction DIHEST analysis MIGHTY EPIC analysis Geological setting and relative displacement documentation Shear stress analysis 8 Displacement analysis DIABLO HAWK predictions Literature cited
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  • 41
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    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-202-77
    In: Research report / Cold Regions Research and Engineering Laboratory, 77
    Description / Table of Contents: Abstract: A deep rotary core drilling project in 1957 at Site 2 on the Greenland ice sheet (76°59'N, 56°04'W provided ice core to a depth of 411 m. The vertical variation in bulk density, macroscopic structure, oxygen isotope ratios, ionic constituents, and extraterrestrial dust (black spherules) were analyzed using both field and laboratory techniques . These data permit the direct estimate of annual accumulation layers in the core. Continuous stratigraphic measurements and observations were made over the upper 110 m of the profile and detailed physical and chemical analyses were made on continuous lo 3 to 3.9-m core increments at 100, 200, 300 and 411-m depths. The average total ionic concentration in the ice sheet ranges between 0.65 and 1.35 mg/liter. The annual global mass deposit of black spherules as calculated from these studies varies from 2.10 x 10^5 metric tons in 700 year old ice to 6.57 x 10^5 metric tons in 12 year old firn. The oxygen isotope ratio variation provides the best means of estimating accumulation at depth. Results of the investigations indicate rates of net snow accumulation of 42.3, 34.2, 37.4, 41.1 and 41.6 g/cm^2 -yr at the surface, A.D. c. 1773, c. 1513, c. 1233 and c. 934 respectively. Accumulation data and other physical and chemical evidence allow climatological inferences to be made over the 10-century profile. The ice core record shows that snow accumulation and temperature in A. D. 934 were similar to today, followed by a gradual decrease in accumulation to a minimum around the late 18th century and an increase in both accumulation and temperature from A. D. 1773 to 1957 and following.
    Type of Medium: Series available for loan
    Pages: vi, 130 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory 77
    Language: English
    Note: CONTENTS Preface Summary 1. lntroduction General background Previous work The Greenland Ice sheet Present work Ice core studies ll. Field procedures General background Subsurface snow laboratory Core reference datum Core handling and processing Ill. Macroscopic stratigraphy General background Polar stratigraphy General observations and results Discussion of results and conclusions above 100 m IV. Detailed stratigraphic studies General background Macroscopic stratigraphy at 100 m Results of analysis and discussion Summary and conclusions V. Oxygen isotope studies General background Previous work Deep ice core 0-isotope stratigraphy Results of analyses Summary and conclusions Vl. Chemical composition studies General background Previous work Factors influencing the chemistry of glaciers Deep core stratigraphy using chemical variations Results of analyses and discussion Summary and interpretation of the 300 m results Geochemistry of the ice sheet Results of analyses and discussion Summary and conclusions Vll. Cosmic dust studies General background Previous work Origin of extraterrestrial dust Deep ice core and near surface studies Results of analyses Discussion of results Summary and conclusions VIII. Climatological implications General background Recent history of the inland ice Past history from the deep core Summary and conclusions- IX. Summary and conclusions Discussion Post Site l deep drilling programs Selected bibliography Appendix A. Sorge's law Appendix B. Thinning of layers Appendix C. Statistical terms Appendix D. Average density determinations for meter increments from the surface to 411.21 meters , Site 2, Greenland
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  • 42
    Monograph available for loan
    Monograph available for loan
    Jakutsk : Jakutskij Filial SO AN SSSR
    Call number: AWI G3-22-94893
    Description / Table of Contents: В книге приводится обстоятельная и разносторонняя характеристика основных генетических типов почв аласов. Выявлено влияние термокарстового аласообразования на почвообразовательный процесс. Полученные результаты позволяют рассматривать почвы аласов как самостоятельные типы, возникновение которых связано со своеобразным аласным процессом, присущим, только термокарстовым ландшафтам. Впервые охарактеризованы особенности структуры почвенного покрова аласов и раскрыты причины ее дифференциации . Книга предназначена для почвоведов, мелиораторов, агрохимиков, а также для других специалистов сельского хозяйства и проектных организаций, связанных с использованием и освоением земель в области широкого распространения многалетнемерзлых пород.
    Description / Table of Contents: Translation of the abstract: The book provides a detailed and versatile description of the main genetic types of Alas soils. The influence of thermokarst alas formation on the soil-forming process was revealed. The results obtained allow us to consider alas soils as independent types, the occurrence of which is associated with a peculiar alas process, inherent only in thermokarst landscapes. For the first time the features of the structure of the soil cover of the alas were characterized and the reasons for its differentiation were revealed. The book is intended for soil scientists, land reclamators, agrochemists, as well as for other agricultural specialists and design organizations involved in the use and development of land in the area of ​​widespread permafrost.
    Type of Medium: Monograph available for loan
    Pages: 168 Seiten , Illustrationen
    Language: Russian
    Note: ОГЛАВЛЕНИЕ Введение 3 Глава 1. Природно-климатические условия 1.1. Геология и геоморфология 1.2. Многолетняя мерзлота 1.3. Почвообразующие породы 1.4. Климат 1.5. Поверхностные воды 1.6. Растительность Глава 2. Особенности почвообразования в аласах 2.1. Краткая история исследования почв аласов 2.2. Аласный термокарстовый рельеф 2.3. Влияние аласов на почвообразование 2.4. Аласный тип почвообразования Глава 3. Почвы 3.1. Зональные почвы 3.1.1. Мерзлотные палевые почвы 3.1.2. Мерзлотные палевые осолоделые почвы 3.1 .3. Мерзлотные таежные оподз аленные почвы 3.2. Почвы аласов 3.2.1. Аласные болотные и заболоченные почвы 3.2.2. Аласные луговые почвы 3.2.3. Аласные остепненные почвы Глава 4. Структура почвенного покрова аласов 4.1. Условия дифференциации почвенного покрова аласов 4.2. Структура почвенного покрова различных по рельефу аласов 4.3. Неоднородность почвенного покрова разновозрастных термокарстовых котловин Заключение Список литературы
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  • 43
    Monograph available for loan
    Monograph available for loan
    Novosibirsk : Izdatel'stvo "Nauka", Sibirskoe otdelenie
    Call number: AWI G3-22-94892
    Description / Table of Contents: Приводятся новые материалы о составе, льдистости и криогенном строении аллювиальных и склоновых отложений, о диагенетическом минералообразовании в условиях вечной мерзлоты. Делается опыт прогнова изменений минимальных температур сезоннопротаивающего слоя на основе ыявленных 14- и 70-летних циклов колебаний температур вовдуха; рассматриваются особенности прибрежно-шельфовой криолитозоны. В двух статьях содержатся результаты теплобалансовых наблюдений в Центральной Лкутии, особое внимание уделяется рассмотрению теплового потока через дневную поверхность водоема, теплообмена водных масс с донными отложениями. Интересны данные о мощности и температуре многолетнемерзлых толщ, геотермическом градиенте, теплопроводности и тепловом потоке в породах равличных районов Сибири, об особенностях поведения температурного и электрического поля ПС вблизи нижней границы мерзлоты. Сборник представляет интерес для широкого круга специалистов: мерзлотоведов, теплофизиков, географов, строителей.
    Description / Table of Contents: Translation of the abstract: New materials are presented on the composition, ice content and cryogenic structure of alluvial and slope deposits, on diagenetic mineral formation in permafrost conditions. An experiment is made to test the changes in the minimum temperatures of the seasonally thawing layer on the basis of the identified 14- and 70-year cycles of air temperature fluctuations; the features of the coastal-shelf cryolithozone are considered. Two articles contain the results of heat-balance observations in Central Lukutia, special attention is paid to the consideration of the heat flow through the daytime surface of the reservoir, the heat exchange of water masses with bottom sediments. Of interest are the data on the thickness and temperature of permafrost, the geothermal gradient, thermal conductivity, and heat flow in the rocks of various regions of Siberia, and on the behavior of the temperature and electric field of the SL near the lower permafrost boundary. The collection is of interest to a wide range of specialists: permafrost scientists, thermal physicists, geographers, builders.
    Type of Medium: Monograph available for loan
    Pages: 89 Seiten , Illustrationen
    Language: Russian
    Note: СОДЕРЖАНИЕ Криолитологические особенности отложений малых рек в Центральной Якутии / Е.Г. Катасонова, Х.Г. Зигерт Минералообразование в области вечной мерзлоты / Х.Г. Зигерт Криогенное строение склоновых отложений на севере Среднесибирского плоскогорья / В.В. Куницкий Перелетки и основные типы сезонвомерзлых пород / Е.А. Втюрина Особенности прибрежно-шельфовой криолитозоны / А.И. Фартышев Многолетние экстремумы отрицательной температуры грунтов сезоннопротаивающего слоя в Центральной Якутии / П.А. Соловъев, Л.П. Голубых Интенсивность сезонного промерзания почвогрунтов в Заилийском Алатау / Э.В. Северский, М. В. Попов Теплопроводность крупнообломочных грунтов в горах Северного Тянь-Шаня / А. А. Мандаров Тепловой баланс крупного озера и прилегающей территории в Центральной Якутии / А.В. Павлов, М.И. Тишин Геотермические параметры Уренгойского месторождения / А.И. Левченко Теплофизические свойства многолетнемерзлых пород Мастахского месторождения газа / Н.Р. Колушев, В.Т. Балобаев, Р.И. Гаврилъев О некоторых особенностях поведения температурного и электрического поля ПС вблиаи нижней границы мерзлоты в терригенных толщах / В.О. Володько Геотермия вмещающих пород карьера "Мир" (Западная Якутия) / В.Н. Девяткин, Р.И. Гаврилъев Геотермические условия бассейна рек Курунг-Юрях и Хатат (Западная Якутия) / В.Н. Девяткин Тепловой баланс орошаемых посевов кормовых культур в Центральной Якутии / П.Н. Скрябин, О.И. Алексеева Расчет промерзания намывно й насыпи и ее основания / Н.И. Вотякова , In kyrillischer Schrift
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  • 44
    Call number: AWI G3-22-94894
    Description / Table of Contents: The collection includes papers containing new data on spores-pollen complexes, mammal remnants, stratigraphy, lithological-mineralogical characteristics and paleogeography of the Cenozoic in Yakutia, mainly in the Kolyma basin. Summarizing papers are devoted to the history of vegetation in Yakutia during the Cenozoic and to main stages of the relief-formation of the Primorsk lowland. Stages in which thermoabrasive transformation of the shelf and the sea shore during the Holocene became more active are recognized and related to sea transgressions. An analysis of recent crust movements is given. A method for drawing up neotectonic schemes of a lowland formed on the Cenozoic sedimentary cover is proposed.
    Description / Table of Contents: Сборник объединяет статьи, содержащие новые данные по спорово-пыльцевым комплексам, остаткам млекопитающих, стратиграфии, литолого-минералогической характеристике и палеогеографии кайнозоя Якутии, главным образом бассейна р. Колымы . Обобщающие статьи посвящены истории развития растительности севера Якутии в кайнозое и основным этапам рельефообразования Приморской низменности. Выделены этапы активизации термоабразионного преобразования шельфа и морского побережья в голоцене, связанные с трансгрессиями. Анализируются современные движения земной коры. Предлагается методика составления неотектонических схем низменности, развитой на кайнозойском осадочном чехле. Сборник издается к XI Конгрессу Международного союза по изучению четвертичного периода. Книга рассчитана на специалистов в области палеонтологии, стратиграфии, геоморфологии, падеогеографии, неотектоники, геологического картирования и поисков месторождений полезных ископаемых, в особенности в низменных районах с широким развитием рыхлых отложений осадочного чехла.
    Type of Medium: Monograph available for loan
    Pages: 164 Seiten , Illustrationen
    Language: Russian
    Note: CONTENTS The history of vegetation during the Cenozoic in northern Yakutia / A. I. Tomskaya Paleogene spores pollen complexes from the Kolyma right bank / L. P. Zharikova On a finding of a fossil bison on the Indigirka river / P. A. Lazarev Burial conditions of skeleton and body remains of Pleistocene mammals / P. A. Lazarev On the formation of fish fauna in Yakutian reservoirs / F. N. Kirillov, V. F. Vozin The Iithological-mineraloglcal character of Cenozoic sediments of the Primorsk lowland / O. V. Grinenko, A. I. Sergeyenko Stratigraphy of Paleogene-Neogene loose deposits on the Kolyma right bank / A. S. Kazantsev, L. P. Zharikova Quarternary deposits of the Primorsk lowland (Khallerchinsk tundra) / V. B. Spector Upper Cenozoic deposits of the Kolyma lowland / O. V. Grinenko Main stages in the formation of the relief of the Primorsk lowland, East Jakutia, and its mountain surroundings / A. G. Savchenko Recent crust movements and their geomorphologic expression in the nearshore zone of the Kolyma lowland / Ya. A. Ben A comprehensive investigation of closed territory neotectonics (in the light of the Yano-Kolyma lowland) / V. A. Balandin The geomorphological expression of the Ichen overthrust zone of the Moma range / Ya. A. Ben Variations of the Laptev Sea and the East Siberian Sea level and their role in the formation of shore deposits / K. S. Yefremov Modelling as a method of structural geomorphic analysis / V. A. Balandin , СОДЕРЖАНИЕ История развития растительности севера Якутии в кайнозое / А. И. Томская Палеогеновые спорово-пыльцевые комплексы правобережья реки Колымы / Л. П. Жарикова О находке ископаемого бизона на реке Индигирке / П . А. Лазарев Условия захоронения скелетных и трупных остатков плейстоценовых млекопитающих / П. А. Лазарев О формировании ихтиофауны в водоемах Якутии / Ф. Н. Кириллов, В. Ф. Возин Литолоrо-минералогическая характеристика кайнозойских отложений Приморской низменности / О. В. Гриненко, А. И. Серrеенко Стратиграфия рыхлых палеоген-неогеновых отложений правобережья реки Колымы / А. С. Казанцев, Л. П. Жарикова Четвертичные отложения Приморской низменности (Халлерчинская тундра) / В. Б. Спектор Верхнекайнозойские отложения Колымской низменности / О. В. Гриненко Основные этапы рельефообразования Приморской низменности Восточной Якутии и ее горного обрамления / А. Г. Савченко Современные движения земной коры и их геоморфологическое выражение в прибрежной зоне Колымской низменности / Я. А. Бень Комплексное изучение неотектоники закрытых территорий (На примере Яне-Колымской низменности) / В. А. Баландин Геоморфологическое выражени е Иченской надвиговой зоны Момского хребта / Я. А. Бень Колебания уровней морей Лаптевых и Восточно-Сибирского В голоцене и их роль в формировании прибрежно-морских отложений / К. С. Ефремов Моделирование как метод структурно-геоморфологического анализа / В. А. Баландин , In kyrillischer Schrift
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  • 45
    Monograph available for loan
    Monograph available for loan
    Novosibirsk : Izdatel'stvo "Nauka", Sibirskoe otdelenie
    Call number: AWI G3-23-95226
    Description / Table of Contents: В книге дается очень краткая геологическая и петрофизическая характеристика изученных регионов, характеристика физических аномальных полей, рассматриваются связи аномалий с геологическими объектами, описывается методика изучения глубинного строения земной коры по данным гравиметрической и магнитной съемок, приводится описание мощностей и рельефа поверхностей слоев земной коры, соотношений слоев друг с другом и с аномалиями, а также с рельефом земной поверхности. Диализируются взаимосвязи особенностей структуры различных слоев земной коры с геологическим строением ее приповерхностных зон. На основе выявленных закономерных соотношений между глубинным строением земной коры, с одной стороны, типами геосинклинальных структур, режимом их развития и особенностями их генезиса — с другой, высказываются суждения о составе разных слоев коры и исследуется вопрос об их генезисе. Предлагается и обосновывается гипотеза зарождения и развития земной коры и составляющих ее слоев.
    Description / Table of Contents: The book gives a very brief geological and petrophysical description of the studied regions, a description of physical anomalous fields, considers the relationship of anomalies with geological objects, describes a methodology for studying the deep structure of the earth's crust based on gravimetric and magnetic survey data, describes the thicknesses and topography of the surfaces of the layers of the earth's crust, the ratios of the layers with each other and with anomalies, as well as with the relief of the earth's surface. Interrelations between the features of the structure of various layers of the earth's crust and the geological structure of its near-surface zones are dialyzed. On the basis of the revealed regular relationships between the deep structure of the earth's crust, on the one hand, the types of geosynclinal structures, the mode of their development, and the features of their genesis, on the other hand, judgments are made about the composition of different layers of the crust and the question of their genesis is investigated. The hypothesis of the origin and development of the earth's crust and its constituent layers is proposed and substantiated.
    Type of Medium: Monograph available for loan
    Pages: 205 Seiten , Illustrationen
    Language: Russian
    Note: In kyrillischer Schrift
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  • 46
    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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  • 47
    Call number: ZSP-980-89 ; ZSP-980-89(2. Ex.)
    In: ZfI-Mitteilungen ; 89, Nr. 89
    Type of Medium: Series available for loan
    Pages: 132 S. , Ill., graph. Darst., Kt.
    ISSN: 0323-8776
    Series Statement: ZfI-Mitteilungen 89
    Language: English
    Note: Contents: Preface. - Tritium in Antarctic precipitation - information on global distribution / D. Hebert. - On the physical geography of the Schirmacher Oasis (East Antarctica, Dronning Maud Land) / W. Richter. - Investigation of Deuterium concentration relations between atmospheric water vapour and precipitations in the Schirmacher Oasis, East Antarctica / P. Kowski. - Isotope-hydrological and hydrochemical characterization of lakes in the Schirmacher Oasis (East Antarctica) / W. Richter, U. Wand, G. Strauch, P. Kowski, W. Kurze. - Isotope-hydrological and hydrochemical studies of the interior Antarctic lake "Untersee" in the Wohlthat Massif, Dronning Maud Land, East Antarctica / W.-D. Hermichen, M. Crelle, P. Kowski, W. Kurze, U. Wand. - The isotope-glaciological situation in the surroundings of the Schirmacher Oasis/Dronning Maud Land - a first overview / W.-D. Hermichen, P. Kowski, G. Strauch. - Radiocarbon dating of breeding places of petrels in the Antarctic / A. Hiller, U. Wand. - K - Ar dating of basalt dykes in the Schirmacher Oasis, Dronning Maud Land, East Antarctica / G. Kaiser, U. Wand.
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  • 48
    Call number: ZSP-980-30
    In: ZfI-Mitteilungen, Nr. 30
    Type of Medium: Series available for loan
    Pages: 340 Seiten
    ISSN: 0323-8776
    Series Statement: ZfI-Mitteilungen 30
    Language: German
    Note: Inhaltsverzeichnis Band 2b: Neue Ergebnisse zum Kohlenstoff-Isotopenaustausch im System CH4-CO2 / P. Harting ; I. Maaß. - Modelluntersuchungen zur Isotopenfraktionierung des Stickstoffs während der Metamorphose von Gesteinen / H.-M. Nitzsche ; K. Mühle ; A. Krause ; G. Schlegel ; K. Wetzel. - Variationen der Stickstoffisotope in regionalmetamorphen Gesteinen / D. Haendel ; K. Mühle ; G. Stiehl ; U. Wand. - Isotopenuntersuchungen an graphitischer Substanz von Metaschwarzschiefern des Erzgebirges und anderer Gebiete der DDR / U. Wand ; G. Stiehl ; I. Winkler ; P. Ossenkopf. - Zu einigen isotopengeochemischen Aspekten bei der Modellierung des globalen Sauerstoffkreislaufes / G. Weise ; W.-D. Hermichen. - Über die Isotopenzusammensetzung des Schwefels in sedimentären Sulfiden und Sulfaten / K. Wetzel. - Zur Schwefelisotopengeochemie basaltischer Gesteine / H.-W. Hubberten ; H. Puchelt. - Ein dynamisches Modell der Bleiisotopenevolution in der Erdkruste und im Erdmantel (russ.) = A dynamic model for lead isotope evolution in the earth's crust and mantle / B. G. Amov. - Kohlenstoff- und Wasserstoffisotopenvariationen in Methan aus Erdgasen und in Methan aus Crackreaktionen / A. Runge ; U. Wand. - Isotopische Zusammensetzung des Kohlenstoffs als ein Kriterium der Typisierung von Erdölen des Karna-Gebietes (russ.) / A. Z. Koblowa ; M. G. Frik ; W. M. Proworow. - Die isotopische Zusammensetzung des Kohlenstoffs als Fazieskriterium für organische Substanzen / I. Maaß. - Nitrogen isotope composition in natural diamonds - first results / U. Wand ; H.-M. Nitzsche ; K. Mühle ; K. Wetzel. - Über einige Isotopieeffekte des Stickstoffs in der Bodenzone / H. Hübner. - Das geologische Bild der Kohlenstoffisotopenvariation organischer Substanzen in paläozoischen Sedimentgesteinen der DDR / I. Maaß ; E. P. Müller ; P. Thomaser. - Beziehungen zwischen δ18O-Werten und stofflich-strukturellen Parametern von Silicaten / K. Wetzel ; D. Mißbach ; K. Mühle. - Richtungsaussagen über Isotopieeffekte mit Hilfe der Inkrementenmethode - Allgemeine Theorie / G. Christoph. - Richtungsaussagen über Isotopieeffekte mit Hilfe der Inkrementenmethode - 18O/16O-Isotopieeffekte in Silikaten / G. Christoph. - Vulkanogenes Kohlendioxid: Aussagen zur Herkunft aufgrund von Isotopenuntersuchungen / H. Puchelt ; H.-W. Hubberten. - Zur Druckabhängigkeit des Isotopieeffekts bei Verteilungsgleichgewichten - experimentelle und theoretische Untersuchungen an Modellsystemen / J. Heybey ; P. Harting. - Zum CO2-Austausch zwischen der nördlichen und der südlichen Hemisphäre / G. Weise ; K. Wetzel. - Fraktionierung der Quecksilberisotope in der Natur (russ.) / E. F. Doilnizyn ; W. I. Sjusin ; A. A. Obolenskij ; A. P. Perzewa. - Isotopic identification of Saharian groundwaters, groundwater formation in the past / Ch. Sonntag ; U. Thorweihe ; J. Rudolph ; E. P. Löhnert ; Chr. Junghans ; K. O. Münnich ; E. Klitzsch ; E. M. El Shazly ; F. M. Swailem. - Probleme der Auswertung von Isotopenanalysen an konzentrierten Salzlösungen im Kalibergbau / H.-D. Schmiedl. - Radiocarbon dating of the thermal waters in the Budapest area / J. Deák. - Untersuchungen zur regionalen Ausbreitung von Schadstoffen mit Hilfe technogener Isotopenvariationen / G. Weise ; I. Maaß. - Über die isotope Zusammensetzung des Stickstoffs in Gesteinen der Charnockitserie von Madras, Südindien / W. F. Wolynez ; R. D. Gawrilin ; N. L. Rao ; B. R. Reddi ; D. Haendel ; G. Stiehl ; U. Wand. - Erkenntnismöglichkeiten über natürliche Prozesse aus der Element- und Isotopenverteilung des Osmiums / H. Gerstenberger ; M. Geisler ; M. Herrmann ; H. Schelhorn. - Isotopenphysikalische Untersuchungen im Rahmen der Antarktisforschung der Bergakademie Freiberg / D. Hebert ; K. Froehlich. - Isotopenuntersuchungen zur Klärung der Genese der Grundwasserressourcen Ostsibiriens / E. V. Pinneker. - Autorenregister.
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  • 49
    Call number: ZSP-980-84
    In: ZfI-Mitteilungen, Nr. 84
    Type of Medium: Series available for loan
    Pages: 432 Seiten
    ISSN: 0323-8776
    Series Statement: ZfI-Mitteilungen 84
    Language: German
    Note: Inhalt Bd. 84 - Vorträge 1: On some problems of the geochronological investigation by use of the lead isotope method / B. G. Amov. - Bleiisotopenverhältnisse und Altersbestimmung von Feldspäten aus südbulgarischen Graniten / B. Amow ; Z. Baldjiewa ; V. Arnaudow ; M. Pawlowa. - Möglichkeiten des Nachweises superschwerer Elemente mit massenspektrometrischen Methoden / S. Becker ; H.-J. Dietze. - Methodische Untersuchungen zur δD-Bestimmung an Gesteinen und Mineralen / T. Böttger. - Methoden der chemischen Konzentrierung und Identifizierung bei der Suche von seltenen Radionukliden in der Natur / H. Bruchertseifer. - Die Anwendung der ultraempfindlichen Massenspektrometrie zur Isotopenanalytik / H.-J. Dietze ; S. Becker. - Die getrennte Messung von Rn-220 und Rn-222 in Bodenluft und ihre geowissenschaftlichen Aussagemöglichkeiten / H. Gast ; W. Stolz. - Die Kontrolle der Standardmeßbedingungen bei 14C-Datierungen / J. Görsdorf. - Isotope analysis on nano-mole gas samples / S. Halas. - Tritium im Niederschlag Antarktikas - Aussagen zur globalen Verteilung / D. Hebert. - Isotopic characteristic of the Tithonian reef Štramberk Limestone, Czechoslovakia, West Carpathians / J. Hladíková ; H. Eliášová ; M. Eliáš. - Stable isotope ratios in the natural gas components CH4 and N2 separated by gas chromatography / G. Hut ; H. R. Weerkamp ; T. Poelhekken. - Frakcionirovanie izotopov ugleroda metanobrazujuščimi bakterijami, rastuščimi na različnych substratach / M. V. Ivanov ; S. S. Beljaev ; A. M. Zjakun ; V. A. Bondar' ; K. S. Laurinavičus ; O. V. Šipin. - Isotope geochemistry of stratified water bodies on northern Ellesmere Island, Canadian Arctic / M. O. Jeffries ; H. R. Krouse. - Zur hydrogeologischen Interpretation von Isotopendaten im Zusammenhang mit Stofftransportprozessen / H. Jordan ; D. Hebert ; K. Fröhlich ; R.-P. Scholz ; R. Gellermann. - Spurenanalytische Untersuchungen an rezenten Mineralisationen mittels Messung der natürlichen Radioaktivität, der Anwendung der Instrumentellen Neutronenaktivierungsanalyse (INAA) und der Spektrometrie protoneninduzierter Gammastrahlung (PIGE) / G. Just ; G. Loos ; J. Vogt. - 40Ar/39Ar-Altersspektrum eines Biotits / G. Kaiser ; J. Pilot. - Kalium-Calcium-Isochrone für Sylvinite des Sibirischen Tafellandes / W. S. Lepin ; S. M. Samarajew ; S. B. Brandt. - Untersuchungen zur Fraktionierung der Schwefelisotope bei der chemischen und biochemischen Oxydation von Sulfid zu Sulfat / I. Maaß ; J. Heyer ; K. Wetzel ; G. Weise. - Isotopenanalyse leichter Elemente mit einem Restgasquadrupolmassenspektrometer? / G. Meier. - Experimental studies of natural processes with help of the radioisotopes of stable elements / A. G. Mironov. - Carbon-13 in atmospheric CO2 / W. G. Mook ; C. D. Keeling. - Isotopenhydrologische Untersuchungen - Arbeiten aus dem GSF-Institut für Radiohydrometrie / H. Moser. - Untersuchungen zur Isotopenfraktionierung des Stickstoffs in den Systemen Ammonium / Ammoniak und Nitrid / Stickstoff / H.-M. Nitzsche ; G. Stiehl. - Gewinnung von Einschlußkomponenten aus Mineralen für isotopen-geochemische Untersuchungen / H.-M. Nitzsche ; G. Strauch. - Raspredelenie izotopa 14C v različnych uglerodsoderžaščich materialach i frakcijach paleopočv v svjazi s geologičeskimi uslovijami zachoronenija / L. A. Orlova ; V. A. Panyčev ; I. V. Nikolaeva. - Rb-Sr-Datierungen von Metamorphiten / J. Pilot. - Light isotope variations in carbonate sediments and their palaeogeographical value / J.-M. Punning ; T. Martma ; R. Vaikmäe. - Die isotope Zusammensetzung des Kristallwassers von Carnalliten und ihrer Ausgangslösungen / H. D. Schmiedl ; K. Koch ; T. Böttger ; G. Stiehl ; J. Pilot ; H. Jordan. - Der 18O-Index - ein isotopengeochemisches Konzept / H. Schütze. - Intramolekulare Sauerstoffisotopengeothermometrie an Hydrosilicaten / H. Schütze. - Modellbetrachtungen zur Abschätzung des δ 13C-Wertes in Pflanzen / H. Schütze ; D. Mißbach. - Isotopic composition of carbonates and differences in deposition environment during the Miocene lacustrine sedimentation in the Krušné Hory graben / V. Šmejkal. - Deuterium and oxygen-18 in water vapour and precipitation: application to atmospheric water vapour transport and to paleoclimate / C. Sonntag ; H. Schoch-Fischer. - Komplexe Isotopenuntersuchungen an armenischen Mineralwässern / R. Trettin ; A. Hiller ; E. S. Chalatjan. - Die Verteilung des Strontium-90 und Cäsium-137 im Wasserkörper der Ostsee 1975 bis 1982 / D. Weiß und E. Ettenhuber. - Preparation of CO2 for 13C/12C analysis of hydrocarbons in natural gases / W. Wolacewicz ; S. Halas. - Investigation of isotopic fractionation effects in thermal ion source for mass spectrometer / J. M. Zinkiewicz.
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  • 50
    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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  • 51
    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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  • 52
    Call number: AWI S1-18-91339
    Type of Medium: Monograph available for loan
    Pages: 608 S.
    Edition: 4. ed., repr.
    Language: English
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  • 53
    Monograph available for loan
    Monograph available for loan
    Amsterdam [u.a.] : Elsevier Scientific Publ.
    Associated volumes
    Call number: AWI Bio-99-0079-2
    In: The Northwest European Pollen Flora, II
    Type of Medium: Monograph available for loan
    Pages: V, 265 S. , zahlr. Ill.
    ISBN: 0444418806
    Language: English
    Note: CONTENTS: Preface / G. C. S. Clarke and W. Punt. - 8. Solanaceae / W. Punt and M. Monna-Brands. - 9. Saxifragaceae / A. A. M. L. Verbeek-Reuvers. - 10. Boraginaceae / G. C. S. Clarke. - 11. Escalloniaceae / A. A. M. L. Verbeek-Reuvers. - 12. Grossulariaceae / A.A.M.L. Verbeek-Reuvers. - 13. Hydrangeaceae / A. A. M. L. Verbeek-Reuvers. - 14. Parnassiaceae / A. A. M. L. Verbeek-Reuvers. - 15. Plantaginaceae / G. C. S. Clarke and M. R.Jones. - 16. Valerianaceae / G. C. S. Clarke and M. R. Jones. - 17. Aceraceae / G. C. S. Clarke and M. R. Jones. - 18. Hippuridaceae / M. S. Engel. - 19. Haloragaceae / M. S. Engel. - 20. Papaveraceae / A. J. Kalis. - Index. - Errata.
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  • 54
    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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  • 55
    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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  • 56
    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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  • 57
    Series available for loan
    Series available for loan
    Leipzig : Akademie der Wissenschaften der DDR, Zentralinstitut für Isotopen- und Strahlenforschung
    Associated volumes
    Call number: ZSP-980-95
    In: ZfI-Mitteilungen, Nr. 95
    Type of Medium: Series available for loan
    Pages: VI, 150 Seiten , Illustrationen
    Series Statement: ZfI-Mitteilungen 95
    Language: German
    Note: Inhaltsverzeichnis: 1. Einleitung. - 1.1. Ausgangssituation. - 1.2. Bestrahlungsanlagen als Basis strahlenchemischer Untersuchungen und Verfahren. - 1.3. Anforderungen der Praxis an ein Programmsystem zur Berechnung von Strahlenfeldern in γ-Bestrahlungsanlagen. - 2. Ableitung des Grundmodells. - 2.1. Ausgangspunkt. - 2.1.1. Punktförmige Strahlenquelle. - 2.1.2. Linienförmige Strahlenquelle. - 2.1.3. Anordnung mehrerer Strahlenquellen. - 2.2. Zugrundegelegte Struktur von Bestrahlungsanlage und Strahlenfeld. - 2.3. Geometrische Zusammenhänge. - 2.4. Berechnung der Bestrahlungsdosisleistung in einem Feldpunkt. - 3. Das Programm DOSKMF2. - 3.1. Übersicht. - 3.2. Eingabe. - 3.3. Aktivitätskorrektur. - 3.4. Auswahl der Feldpunkte. - 3.4.1. Zylinderkoordinaten. - 3.4.2. Quaderkoordinaten. - 3.4.3. Auswahl von Einzelpunkten. - 3.4.4. Variation der Rohrpositionen 3.5. Zyklusgestaltung, statistische Maßzahlen und Aufbereitung für graphische Ausgabe. - 3.5.1. Zylinderkoordinaten. - 3.5.2 Quaderkoordinaten. - 3.6. Programmtechnische Lösung. - 3.6.1. Struktur des Programms. - 3.6.2. Aufruf. - 3.6.3. Einschränkungen und programmtechnische Hinweise. - 3.7. Ein Demonstrationsbeispiel. - 3.7.1. Aufgabenstellung. - 3.7.2. Festlegung der Parameter. - 3.7.3. Resultate. - 4. Nutzung der graphischen Ausgabe. - 4.1. Ausgangspunkt und Voraussetzungen. - 4.2. Das Programm ISORADL. - 4.2.1. Übersicht. - 4.2.2. Die Programme ISOQ, ISOA. - 4.2.3. Problemlösung. - 4.2.4. Programmtechnische Lösung. - 4.2.5. Demonstrationsbeispiel. - 5. Einsatzmöglichkeiten des Programmpaketes. - 5.1. Übersicht. - 5.2. Prüfen von Voraussetzungen. - 5.3. Wechselwirkung Programmpaket-Realität. - 6. Berechnung und Modifikation von Strahlenfeldern bestehender Gammabestrahlungsanlagen. - 6.1. Technische Voraussetzungen. - 6.2. Prüfen der Anwendungsbedingungen für den Programmeinsatz. - 6.3. Durchgeführte Berechnungen. - 6.3.1. Aufklärung der Struktur des vorliegenden Strahlenfeldes. - 6.3.2. Darstellung typischer Bestrahlungskonfigurationen. - 6.3.2.1. Bestrahlung im Käfig. - 6.3.2.2. Bestrahlung flächenartiger Objekte. - 6.4. Berechnungen für eine neue Strahlenquellenkonfiguration. - 6.5. Schlußfolgerungen. - 7. Einsatz des Programmpaketes als Projektierungshilfsmittel. - 7.1. Nutzung für die Pilotanlage des PCK Bitterfeld. - 7.1.1. Vorbemerkungen. - 7.1.2. Berechnungen für Modellreaktoren. - 7.1.3. Auslegung eines Reaktors für die Pilotanlage. - 7.1.4. Kontrollrechnungen zur Dosimetrie des gefertigten Reaktors. - 7.2. Nutzung für eine industrielle Anlage des VEB PROWIKO Schönebeck. - 7.2.1. Vorbemerkungen. - 7.2.2. Entwurf eines Modellreaktors. - 7.2.3. Schlußfolgerungen für den Entwurf einer industriellen Anlage. - 8. Einige Gedanken zur Wechselwirkung Strahlenfeldberechnung - Dosimetrie am Beispiel zweier umschlossener γ-Bestrahlungsanlagen. - 8.1. Vorbemerkungen. - 8.2. Beschreibung der für den Vergleich wesentlichen Anlagenparameter. - 8.3. Durchgeführte dosimetrische Messungen. - 8.4. Durchgeführte Strahlenfeldberechnungen. - 8.5. Diskussion der Ergebnisse. - 9. Erweiterte Nutzungsmöglichkeiten und Ausblick. - 10. Zusammenfassung. - Literaturverzeichnis. - Verzeichnis der Abbildungen. - Verzeichnis der Tabellen.
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  • 58
    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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  • 59
    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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  • 60
    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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  • 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-201-82/32
    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.
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    Pages: 15 Seiten , Illustrationen
    Series Statement: CRREL Report 82-32
    Language: English
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  • 62
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    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-82/34
    In: CRREL Report, 82-34
    Description / Table of Contents: The ice discharge through an opening in an ice control structure was documented to be a function of the floe size, ice type, ice floe conditions and vessel direction. The model data for the average ice discharge per vessel transit scaled to prototype values compared favorably with data taken at the St. Marys River ice control structure (ICS). The model results of the force measurements were also consistent with data taken at the St. Marys ICS. The dynamic loading conditions were independent of vessel direction. The dynamic loading to the structure using 3 types of ice (plastic, natural and urea-doped) showed a considerable difference in their means and standard deviations. The urea-doped ice was evaluated for dynamic loading conditions, and reasonable peak values of 3 to 5 times the mean load at each measuring position were recorded, independent of vessel direction. It appears that synthetic random ice floes may be used in model studies where ice discharge through an opening in a structure needs to be documented. This study shows the synthetic random ice floe discharge to fall reasonably within the values obtained for natural ice discharge for both rafted and non-rafted ice fields above the ICS. However, the question of whether synthetic ice can be used for analyzing force distributions and dynamic force loading criteria cannot be fully answered at this time because the load distributions of the synthetic and natural floes appear to differ.
    Type of Medium: Series available for loan
    Pages: 68 Seiten , Illustrationen
    Series Statement: CRREL Report 82-34
    Language: English
    Note: CONTENTS Abstract Preface Introduction Scope of work Ice discharge from Lake Huron into St. Clair River Water velocity profiles at Port Huron Ice conditions Physical model Basis for selection Description Instrumentation Model ice control structure Open water calibration Open water tests Experimental procedures and techniques Ice cover calibration Ice control structure orientation Analysis of ice discharge due to ship transits Natural ice Synthetic ice Forces on the ice control structure Static measurements Dynamic force measurements Potential additional shear stresses Anticipated ice conditions with ICS Conclusions Literature cited Appendix A. Application of model results Appendix B. Suggested additional studies Appendix C. Derivation of ice discharge
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  • 63
    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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  • 64
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    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-84/5
    In: CRREL Report, 84-5
    Description / Table of Contents: Diatom species composition and relative abundances were determined for ice cores obtained from Weddell Sea pack ice during the October-November 1981 Weddell Polynya Expedition (WEPOLEX). Ice thickness and salinity indicate that the ice was less than one year old. The predominant ice type (70%) was frazil, which has the capacity to mechanically incorporate biological material through nucleation and scavenging. Diatoms were found throughout the length of the cores. Species showed down-core fluctuations in abundance that appeared to be correlated with changes in ice type. Pennate forms were more abundant than centrics, the average ratio being 16:1. Diatom frustules with intact organic material were more abundant (5 billion cells/liter). Differences in species abundances are attributed initially to incorporation of algal cells from a temporally changing water column and subsequently to diatom reproduction within the ice. Scanning electron micrographs illustrating the morphologic characteristics of the predominant species are included.
    Type of Medium: Series available for loan
    Pages: iv, 46 Seiten , Illustrationen
    Series Statement: CRREL Report 84-5
    Language: English
    Note: Contents Abstract Preface Introduction Materials and methods Results Discussion Conclusions Literature cited Appendix A: Taxonomic terms Appendix B: Differences in species composition and abundance in duplicate samples examined under optical and inverted light microscopes Appendix C: Morphologic descriptions and SEM micrographs
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  • 65
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    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-83/9
    In: CRREL Report, 83-9
    Description / Table of Contents: Recent observations of shore ice pile-up and ride-up along the coast of the Alaska Beaufort Sea are presented. Information is given to show that sea ice movement on shore has overridden steep coastal bluffs and has thrust inland over 150 m, gouging into and pushing up mounds of beach sand, gravel, boulders and peat and, inland, the tundra material. The resulting ice scar morphology was found to remain for tens of years. Onshore ice movements up to 20 m are relatively common, but those over 100 m are very infrequent. Spring is a dangerous time, when sea ice melts away from the shore, allowing ice to move freely. Under this condition, driving stresses of less than 100 kPa can push thick sea ice onto the land.
    Type of Medium: Series available for loan
    Pages: v, 59 Seiten , Illustrationen
    Series Statement: CRREL Report 83-9
    Language: English
    Note: Contents Abstract Preface Introduction Winter 1979-80 observations Winter 1980-81 and summer 1981 observations Winter 1981-82 and summer 1982 observations Old ice ride-up features Discussion Literature cited Appendix A. The boulder rampart and rock littered shore west of Konganevik Pt. Appendix B. Site location maps
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  • 66
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    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-201-82/40
    In: CRREL Report, 82-40
    Description / Table of Contents: The use of explosives to break floating ice sheets is described, and test data are used to develop design curves that predict explosives effects as ice thickness, charge size, and charge depth vary. Application of the curves to practical problems is illustrated by numerical examples. The general features of underwater explosions are reviewed and related to ice blasting. Quasi-static plate theory is considered, and is judged to be inapplicable to explosive cratering of ice plates. The specific energy for optimized ice blasting is found to compare quite favorably with the specific energy of icebreaking ships. All available field data for ice blasting are tabulated in appendices, together with details of the re­gression analyses from which the design curves are generated.
    Type of Medium: Series available for loan
    Pages: iv, 68 Seiten , Illustrationen
    Series Statement: CRREL Report 82-40
    Language: English
    Note: CONTENTS Abstract Preface Introduction General behavior of underwater explosions Regression analysis for ice-blasting data General features of the regression curves Use of the regression curves as design curves for ice blasting Row charges and pattern charges Response of floating ice sheets to underwater explosions Specific energy and “powder factor” Summary and conclusions Literature cited Appendix A: Basic data on ice blasting Appendix B: Scaled input data Appendix C: Initial regression analysis using complete polynomial Appendix D: Regression analysis with two coefficients of the original poly­nomial deleted
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  • 67
    Call number: ZSP-980-71
    In: 2nd Working Meeting "Radioisotope Application and Radiation Processing in Industry", Part 3, 98 to 155
    In: ZfI-Mitteilungen, Nr. 71
    Type of Medium: Series available for loan
    Pages: 368 Seiten , Illustrationen
    ISSN: 0323-8776
    Series Statement: ZfI-Mitteilungen 71
    Language: English
    Note: Contents of Part 3 P. Popp, J. Leonhardt: Characterization of coulometric and hypercoulometric ECD mode of operation D. Hinneburg, H.-J. Grosse, J. Leonhardt, P. Popp: Calculation of current-voltage characteristics of electron-capture detectors A.G. Rozno, V.V. Gromov: Study of volume electric charge in radioactive dielectrics by the method of "acoustic sounding" Iv. N. Pandev, M.G. Christova, St.D. Stefanov, N.V. Gentchev, St.T. Bakardjiev, D.T. Genov, Ch.D. Christov: Portable gamma-irradiator - modified model P. Hargittai, V. Stenger: Planning of dose-rate distribution of radiation fields by computer M. Remer: DOSKMF2 - A contribution to the computer-aided design of dose rate distributions A. Heger, H. Dorschner, W. Schumann, D. Pleul: Characterization of the radiation field and control of the optimal electron beam accelerator operation for industrial processes V. Prenerov, K. Shivarov, P. Ivanov: Programme for radiation protection by using portable defectoscopes in industrial building T. Geßner, K. Irmer: Nuclear radiation detectors using high resistivity neutron transmutation doped silicon H.-G. Könnecke, D. Luther: The influence of airing systems on the residence time in biological clarification plants J. Dermietzel, C. Wienhold, H. Grundmann, A. Staschok, J. Koch, E. Bordes: Tracer studies on carbon monoxide and carbon dioxide formation in liquid phase oxidation of p-xylene W. Smułek: Use of technical mixtures of carboxylic acids to the extraction of silver H. Förster: Determination of oxide film thickness on aluminium using 14-MeV neutron activation and BET method H. Jaskólska, L. Waliś, C. Janusz: Investigations of the monocrystallization process of neodymium doped YAG using radiotracers H. Wagler: Substoichiometric determination of Pd-II-traces with dithizone and problems of determination P. Tábor, L. Molnár, D. Nagymihá!yi: Radioisotope gauge for automatic control of cottonwool package H.-W. Thummel, G. Körner, D. Fritzsche: Compensation for thickness variations in determining the bulk material composition on conveyor belts using combined scatter-transmission and thickness measuring methods D. Fritzsche, W. Dolak: Radiometric determination of ash content of raw lignites M. Braune: A simplified mathematical model for scattered transmission of X-rays in raw brown coal P. S. Kamenov, E. I. Vapirev, S. I. Ormandjiev: A new type of nuclear weighing device for transporter belts W. Smulek, M. Borkowski: Separation of reduced molybdenum from fission products. The Mo - HN03 - HDEHP system J. Komosiński, M. Radwan: Selected problems of radioisotope technique for wear investigation of precise elements Dr. A. Várkonyi: The thin layer activation for industry G. Hartmann, P. Kulicke: Wear testing in power stations J. Kraś, Z. Banasik: The radioisotopes in wear investigation of combustion engines H.-D. Grohmann: Short-time measurements of wear on surface activated rails G.M. Ter-Akopian, E.A. Sokol, Fam Ngok Chyong, M.P. Ivanov, L.P. Chelnokov, V.I. Smirnov, V.A. Gorshkov: Neutron multiplicity detector for the study of rare nuclear decay events L. Gąsiorowski, P. Mroziński, K. Sobkowicz, F. Zrudelny: Implementation of Intel 8080 - based microcomputer system in the radioisotope measurements control instrumentation W. Birkholz, M. Steinert: Evaluation of autoradiograms using a microcomputer F. Myšák, M. Krejči, J. Hakl, E. Smrkovský: Study of boron diffusion in high temperature Ni-base alloys by means of solid state track detectors W. Birkholz, H.-Ch. Treutler, K. Freyer, M. Geisler, J. Dubnack: Autoradiography of gallium in silicon H.C. Treutler, K. Freyer: On quantitative autoradiography of semiconductor basic material A.S. Shtan': Radiation evaluation techniques and facilities used for quality assurance of fuel elements and fuel assemblies for nuclear power plants D. Babić, A. Šafranj, V. Marković: Radiation degradation of poly-propylene-molecular weight and melt viscosity change A. Ciszek: Modern irradiation processes equipment-accelerators and their applications G. Kummer: Identification of signals by means of the decision theory N.S. Batchvarov, I.D. Vankov, L.P. Dimitrov, Ch.D. Shukov, P.A. Pavlov: Betareflektometer SR-77
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  • 68
    Call number: ZSP-980-69
    In: 2nd Working Meeting "Radioisotope Application and Radiation Processing in Industry", Part 1, 1 to 48
    In: ZfI-Mitteilungen, Nr. 69
    Type of Medium: Series available for loan
    Pages: 480 Seiten , Illustrationen
    ISSN: 0323-8776
    Series Statement: ZfI-Mitteilungen 69
    Language: English
    Note: Contents of Part 1 S. Niese: Reactor neutron activation analysis of industrial materials R.P. Gardner, K. Verghese: Use of Monte Carlo methods in the calibration and design optimization of radiation gauges and analyzers R. Otto, P. Hecht: On labelling with generator nuclides M. Richter: Measurement of residence time distribution with radiotracers using periodic pseudo-random binary signal sequences J. Schoen: A computer code for tracer experiment data analysis H.-H. Deicke, J. Flachowsky, K.-P. Rudolph, N. Beiermann: Transit time measurements in technical plants by using a multichannel analyzer H. Bohne: Measurements of air currents L. Baranyai: Tracer study of simultaneous homogenization and segregation in industrial equipments N. Balabanov, N. Kapitanova: Application of radiotracer method for study of glass furnaces J. Thẏn: Evaluation of mixing particulate solids by radiotracer method H.-G. Koennecke, P. Kulicke, E. Antal, J. Jentzsch, H. Michael: Investigation of the mixing efficiency of kneading machines using radionuclides A.G. Belov, V.E. Zhuchko, Yu.S. Zamyatnin, Yu.G. Teterev, D. Rubio: Development of the nuclear-physical methods of analysis at the laboratory of nuclear reactions of the JINR R. Burek, K. Wojcik: A new concept for measuring of free moisture in solid materials N. Bachvarov, I. Georgiev, E. Manolov, P. Pavlov, H. Shukov, K. Tropolov: Process control system for fresh concrete preparation H. Baumbach: Investigation of moisture migration in the concrete of a special test construction under simulated load conditions A. Petrov, A. Sreno, H. Hristov, P. Penev, G. Georgiev: Beta-ray backscatter instruments for coating thickness measurements in electronic and electrotechnical industry W. Stuchlik, H. Kupsch: Radioactive level indicator for bulk materials in containers with calculation of the residual volume H. Baumbach, K. Fichtler, R. Melzer, D. Tietze, H. Ullrich: The determination of density variation in radiation protective walls of concrete by means of Bremsstrahlung of 1o MeV from linear accelerator D. Avramov: Modernized versions of mobile NDT laboratories V. Friedrich: Examples for radioisotope application in environment protection St. Szpilowski: Prediction of mixing length for transport of effluent in rivers A. Owczarczyk: The localization of the leakages through the dams and bottoms of large water reservoires W. Listwan: Progress in leak detection methods for underground pipelines and tanks J. Starẏ, A. Zeman, B. Havlik: Radionuclides in the investigation of the cumulation of toxic elements on alga and fish W. Richter, D. Kahl, H.-J. Grosse, F. Gleisberg: The use of an AIG-analyzer for the investigation of SO2-dispersion problems R. Goeldner, H.-J. Grosse, F. Gleisberg: Possibilities of the development of improved smoke detectors J. Adler, H.-R. Doering, H.-J. Grosse, F. Gleisberg: The use of the AIG in microelectronics P. Popp, R. Fahnert, S. Mothes, G. Oppermann: Methods for the determination of toxic compounds at work places H.-R. Doering. H.-J. Grosse: The detection of halocarbons by means of the aerosol ionization gas analyzer (AIG) E, Jaworska, I. Kaluska, G. Strzelczak: Crosslinking and free radical decay reactions in irradiated polyethylene in presence of additives J. Zahalka: Radiation modified materials in machine engineering W. Bobeth, R. Hanke, A. Heger, J. Morgenstern, H. Paessler: Technological aspects of planar structurizing on woven and knitted fabrics by localized radiation induced grafting B. Ihme, E. Maeder, A. Mally: Problems in the development of high-energy radiation processing of woven and knitted fabrics S. Nikolov. P, Panayotov, V. Diakova, M. Nikolova: Radiation modification of timber in people's republic of Bulgaria H. Dahlhelm. G. Matejko. G. Huebner: Experiments on sprouting inhibition in onions J. Thẏn: Process analysis with nuclear technique A. Merz: Axial dispersion and homogenization in chemical engineering systems A. Zeuner, F. Hartmann: Investigation of material transport in rotating dryers by aid of Lanthanum-140 D. Manr: Tracer research for modelling of Ion-exchange equipment
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  • 69
    Call number: ZSP-201-83/21
    In: CRREL Report, 83-21
    Description / Table of Contents: The probability density function of the gouge depths into the sediment is represented by a simple negative exponential over four decades of gouge frequency. The exceedance probability function is, therefore, e to the -lambda d, where d is the gouge depth in meters and lambda is a constant. The value of lambda shows a general decrease with increasing water depth, from 9/m in shallow water to less than 3/m in water 30 to 35 m deep. The deepest gouge observed was 3.6 m, from a sample of 20,354 gouges that have depths greater than or equal to 0.2 m. The dominant gouge orientations are usually unimodal and reasonably clustered, with the most frequent alignments roughly parallel to the general trend to the coastline. The value of N(bar) sub 1, the mean number of gouges (deeper than 0.2 m) per kilometer measured normal to the trend of the gouges, varies from 0.2 for protected lagoons to 80 in water between 20 and 38 m deep in unprotected offshore regions. The distribution of the spacings between gouges as measured along a sampling track is a negative exponential. The form of the frequency distribution of N sub 1 varies with water depth and is exponential for lagoons and shallow offshore areas, previously skewed for 10 to 20 m depths off the barrier islands, and near-normal for deeper water. As a Poisson distribution gives a reasonable fit to the N sub 1 distributions for all water depths, it is suggested that gouging can be taken as approximating a Poisson process in both space and time. The distributions of the largest values per kilometer of gouge depths, gouge widths, and the heights of the lateral embankment of sediments plowed from the gouges are also investigated.
    Type of Medium: Series available for loan
    Pages: 40 Seiten , Illustrationen, 1 Karte
    Series Statement: CRREL Report 83-21
    Language: English
    Note: CONTENTS Abstract Preface Introduction Background and environmental setting Data collection and terminology Data analysis Gouge depths Gouge orientation Gouge frequency Extreme value analysis Applications to offshore design Gouge depth Extreme value statistics Burial depths Conclusion Literature cited Appendix A: Detailed bathymetric map of the Alaskan portion of the Beaufort Sea
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  • 70
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    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-201-83/18
    In: CRREL Report, 83-18
    Description / Table of Contents: An evaluation of an impulse radar system for detecting cavities under concrete pavement is discussed, and field results are presented. It was found that a dual antenna mode of surveying was ideal for void detection. In this mode one antenna operated in a transceive mode and a second, offset from the first, operated in a receive-only mode. This arrangement allowed a refraction-type profile survey to be performed, which enabled subpavement voids to be easily detected. Field trails were held at Plattsburgh Air Force Base, where 28 cavities were detected and mapped. Drilling of holes verified that a cavity existed and allowed cavity depth to be measured. The cavities varied from 1.5 in. to 23 in, depth and were up to 20 ft. long.
    Type of Medium: Series available for loan
    Pages: 49 Seiten , Illustrationen
    Series Statement: CRREL Report 83-18
    Language: English
    Note: CONTENTS Abstract Preface Introduction Plattsburgh Air Force Base Radar sounding system Survey procedure Cavity inspection Radar cavity detection test Radar profile results Falling-weight deflectometer tests Discussion and conclusions Literature cited
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  • 71
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    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-201-83/12
    In: CRREL Report, 83-12
    Description / Table of Contents: This paper documents the development and verification of two finite difference models that solve the general two-dimensional form of the heat conduction equation, using the alternative-direction implicit method. Both can handle convective, constant flux, specified temperature and semi-infinite boundaries. The conducting medium may be composed of many materials. The first program, ADI, solves for the case where no change of state occurs. ADIPC solves for case where a freeze/thaw change of phase may occur, using the apparent heat capacity method. Both models are verified by comparison to analytical results.
    Type of Medium: Series available for loan
    Pages: 74 Seiten , Illustrationen
    Series Statement: CRREL Report 83-12
    Language: English
    Note: CONTENTS Abstract Preface Introduction Finite differences applied to heat transfer Heat conduction equation Boundary conditions Phase change Computer program ADDATA, the data subroutine TRIDIG, the matrix solver ISOTHM, the isotherm finider ADI, main program ADEPC, main program Verification of ADI Comparison of ADI with analytical results Comparison of ADI with experimental results Verification of ADIPC Comparison of ADIPC with analytical results-the Neumann solution Comparison of ADIPC with analytical results-two-dimensional phase change verification User instruction for ADI User instruction for ADIPC Conclusions Literature cited Appendix A. Program INFSUM and sample input and output for program ADI Appendix B. Program ADIPC and sample input and output
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  • 72
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    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    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.
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    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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  • 73
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    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    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.
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    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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  • 74
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    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    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.
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    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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  • 75
    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.
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    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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  • 76
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    Call number: ZSP-201-83/26
    In: CRREL Report, 83-26
    Description / Table of Contents: Ice accreted on high-speed rotors operating in supercooled fog can be thrown off by centrifugal force, creating severe unbalance and dangerous projectiles. A simple force balance analysis indicates that the strength of accreted ice and its adhesive strength can be obtained by measuring the thickness of the accretion, the location of the separation, the rotor speed, and the density. Such an analysis was applied to field and laboratory observations of self-shedding events. The results agree reasonably well with other observations.
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    Pages: 13 Seiten , Illustrationen
    Series Statement: CRREL Report 83-26
    Language: English
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  • 77
    Call number: AWI G6-19-92758
    In: 2nd Working Meeting "Radioisotope Application and Radiation Processing in Industry", Abstracts of papers
    Type of Medium: Monograph available for loan
    Pages: 167 Seiten
    Language: English
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  • 78
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    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-201-82/12
    In: CRREL Report, 82-12
    Description / Table of Contents: From a high-quality set of velocity, temperature, and humidity profiles collected upwind and downwind of a step change in surface roughness, temperature, and moisture, we have calculated upwind and downwind values of the heat fluxes and friction velocity. The surface change is from smooth to rough; upwind, the sensible heat flux is upward and the latent heat flux is zero; downwind, the surface is well-watered so that the latent heat flux is upward while the sensible heat flux is downward. The downwind latent heat flux in this fetch-limited flow obeys NL=0.08 Rx 0.76 where NL is the latent heat Nusselt number and Rx is the fetch Reynolds number, a parameter for characterizing fetch-limited flows. Because this relation is virtually the same as one found to describe the sensible heat and condensate fluxes over arctic leads, we conclude that the Nusselt numbers nondimensionalizing scalar fluxes are the same for a given fetch Reynolds number when boundary conditions are similar.
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    Pages: vii, 18 Seiten , Illustrationen
    Series Statement: CRREL Report 82-12
    Language: English
    Note: CONTENTS Abstract Preface List of symbols Introduction Upwind: flux gradient method Downwind: integral method ResulIts Energy budget Latent heat flux Surface stress Downwind humidity profiles Discussion Conclusions Literature cited
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  • 79
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    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-201-82/9
    In: CRREL Report, 82-9
    Description / Table of Contents: This study deals with the distribution of forces along the converging boundaries of the Port Huron, Michigan, region where unconsolidated ice in Lake Huron is held against wind and water stresses. An experimental basin was built to induce uniform shear stress on the model ice cover by flowing water beneath the ice. The boundary segments, which held the ice cover in the region, were instrumented to measure force in the normal and tangential directions. The distribution of normal forces along the boundary was compared with as distribution derived by using a theoretical model. An ice control structure (ICS) was installed in the basin and experiments were conducted to measure the forces on the ICS and the ice release through the opening in the ICS during simulated ship passages. The experimental results are presented in a nondimensional form. In addition, the force per unit length on the ICS and the area of ice released through its opening were estimated for the expected wind conditions at the Port Huron site.
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    Pages: v, 27 Seiten , Illustrationen
    Series Statement: CRREL Report 82-9
    Language: English
    Note: CONTENTS Abstract Preface List of symbols Introduction Theoretical models Case 1 Case 2 Case 3 Experimental program Experimental facility Scaling factors Experimental results Analysis of wind data for lower Lake Huron Summary and conclusions Release of ice through the opening of an ICS Ice forces on the ice control structure Ice forces on ice control structure from a large unconsolidated ice cover Literature cited Appendix A. Equation for the stress resultants and velocities of the ice cover Appendix B. Monthly summary of wind data at Port Huron
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  • 80
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    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.
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    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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  • 81
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    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-201-82/7
    In: CRREL Report, 82-7
    In: Charged dislocation in ice, II.
    Description / Table of Contents: The contribution of electrically charged dislocation motion to dielectric relaxation was studied theoretically. Experimentally obtained data on charge density, dislocation density, and segment length and distribution described in Part I of this series were used to calculate dielectric relaxation spectra. The results indicate that the charged dislocation process can produce the observed audio frequency dielectric relaxation as well as the distribution of spectra.
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    Pages: iii, 15 Seiten , Illustrationen
    Series Statement: CRREL Report 82-7
    Language: English
    Note: CONTENTS Abstract Preface Introduction Theoretical development of dielectric relaxation due to charged dislocations Numerical calculations for distributed segment length Discussion Conclusions Literature cited Appendix A. Mosotti type catastrophe by charged dislocation processes
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  • 82
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    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-82/13
    In: CRREL Report, 82-13
    Description / Table of Contents: Frost heave is analyzed for the common case in which some ice penetrates the soil. In this situation, heave is due to the accumulation of soil-free ice just within the frozen zone, behind a frozen fringe of finite thickness. Heat and mass transport within and across that fringe are crucial processes in the dynamics of heave. This analysis concentrates on activity within the fringe, also connecting that activity to heat and mass flows in the more frozen and unfrozen zones. Each component in a set of governing differential equations is developed from rational physics and thermodynamics, using previous experimental work. It is assumed that the soil ice grows through interconnected interstices; hence it constitutes and can move as a rigid body. When the assumption is translated into mathematical terms, it completes the governing equations. The model resulting from these considerations is a one-dimensional finite element computer program that solves the equations for arbitrary initial and boundary conditions. The model is used to simulate the heave history of a hypothetical soil column frozen unidirectionally and subjected to a surcharge. The results are gratifying in that they predict qualitatively the characteristics of numerous laboratory observations. Some questions about the completeness of the theory remain, and strict verification of the model awaits further experimentation and better parameter identification.
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    Pages: iii, 11 Seiten , Illustrationen
    Series Statement: CRREL Report 82-13
    Language: English
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  • 83
    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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  • 84
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    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-80/2
    In: CRREL Report, 80-2
    Description / Table of Contents: Winter thermal structure and ice conditions in the land-fast ice cover of Lake Champlain were studied in detail for the winters of 1975-76 and 1976-77. The lake was instrumented to a depth of 8.5 m with a string of highly calibrated thermistors attached to an ice mooring system and connected to a data logger at Shelburne Point, Vermont, during the winter of 1975-76 and at Gordon Landing on Grand Isle, Vermont, during 1976-77. This data logger automatically recorded water temperatures from the surface of the lake though snow, ice and water vertical profiles to the bottom of the lake every four hours. Pertinent meteorological parameters are presented for the appropriate measurement sites during the two winter periods, November '75-April '76, and November '76-April '77. Computations were made of freezing degree days (C) for both winters and correlated with ice formation dates. Predictions of ice growth, using the Stefan equation with an empirical coefficient, were correlated with actual ice growth. Documentation was made of the Lake Champlain Transportation Company's first attempt at wintertime navigation by ferry from Gordon Landing, Vermont, to Cumberland Head, New York, in a land fast ice cover during one of the coldest winters of this century.
    Type of Medium: Series available for loan
    Pages: iv, 26 Seiten , Illustrationen
    Series Statement: CRREL Report 80-2
    Language: English
    Note: CONTENTS Abstract Preface Introduction Objectives Climate Site preparation and data collection Instrumentation, measurements and calibration Relocation of measurement site, Fall 1976 Visual observations, ice conditions, and pertinent photography Analysis Air temperature comparisons Degree days of freezing Prediction of ice growth Water and ice temperature Wind Solar radiation Grand Isle ferry operations 1976-77 Conclusions Recommendations Literature cited Appendix A. General observations of ice conditions on Lake Champlain
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  • 85
    Call number: ZSP-201-82/19
    In: CRREL Report, 82-19
    Description / Table of Contents: Under proper design and management, a forest ecosystem in the central United States should renovate municipal wastewater as long or longer than conventional agricultural systems, especially when design limitations are hydraulic loading rate, heavy metals, P and N. Forest systems require smaller buffer zones than agricultural systems and lower sprinkler pressures. Immature forests are better wastewater renovators than mature forests.
    Type of Medium: Series available for loan
    Pages: iv, 22 Seiten , Illustrationen
    Series Statement: CRREL Report 82-19
    Language: English
    Note: CONTENTS Abstract Preface Introduction Forest systems design Pretreatment Distribution systems Public health considerations Buffer zone requirements Toxic effects Public access Hydraulic loading Nutrient uptake and loading Introduction Nitrogen Phosphorus Trace metals Design considerations Hydraulic loading rates Nitrogen loading rates Forest management options Reforestation Existing forest ecosystems Short term rotation plantations Potential long term effects on forest ecosystems Longevity of forest systems Consequences of overloading Soil chemical, physical and hydrologic properties Productivity Summary Literature cited
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  • 86
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    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-82/18
    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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  • 87
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    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-82/17
    In: CRREL Report, 82-17
    Description / Table of Contents: Seismic P and SH wave refraction experiments at the NATO RSG-11 test site in Munster Nord, Federal Republic of Germany, reveal the presence of a nearly horizontal, three-layer velocity structure. The upper layer, composed of un­consolidated glacial till, is 1 m thick and has P (compressional) and SH (shear-horizontal) wave velocities of 240 and 165 m s-1. The second layer, made up of similar, more compacted material, is 9.5 m thick, with a P wave velocity of 470 m s-1 and an SH wave velocity of 275 m s-1. The third layer, interpreted as the groundwater table, is located at a depth of 10.5 m and has a P wave velocity of 1590 m s-1. The SH wave velocity of this layer is controlled by the matrix material and is the same as that of the second layer. A single, unreversed observation indicated a fourth layer at a depth of about 20 m, but the existence of this layer remains unconfirmed. The observed fundamental mode Love wave dispersion is in agreement with the theoretical dispersion predicted by the refraction velocities. Computed partial derivatives of phase velocity with respect to shear wave velocity show, for the frequencies observed, that the dispersion confirms the thicknesses and velocities of the two upper layers and is not affected by the deeper structure.
    Type of Medium: Series available for loan
    Pages: iv, 33 Seiten , Illustrationen
    Series Statement: CRREL Report 82-17
    Language: English
    Note: CONTENTS Abstract Preface Introduction Refraction experiments Procedure Equipment Results P waves Low velocity zone SH waves Surface wave experiments Summary and discussion Literature cited Appendix A: P wave refraction data Appendix B: SH wave refraction data. Appendix C: Surface wave dispersion calculations
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  • 88
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-82/16
    In: CRREL Report, 82-16
    Description / Table of Contents: Abstract: A dynamic-thermodynamic sea ice model which employs a viscous-plastic constitutive law has been applied to the East Greenland area. The model is run on a 40-km spatial scale at 1/4-day time steps for a 60-day period with forcing data beginning on 1 October 1979. Results tend to verify that the model predicts reasonable thicknesses and velocities within the ice margin. Thermodynamic ice growth produces excessive ice extent, however, probably due to inadequate parameterization of oceanic heat flux. Ice velocities near the free ice edge are also not well simulated, and preliminary investigations attribute this to an improper wind field in this area. A simulation which neglects ice strength, effectively damping ice interaction with itself and allowing no resistance to deformation, produces excessive ice drift toward the coast and results in unrealistic nearshore thicknesses. A dynamics-only simulation produced reasonable results, including a more realistic ice extent, but the need for proper thermodynamics is also apparent. Other simulations verify that ice import from the Arctic Basin, and ice transport due to winds and currents, were also important components in the model studies.
    Type of Medium: Series available for loan
    Pages: v, 40 Seiten , Illustrationen , 29 cm
    Series Statement: CRREL Report 82-16
    Language: English
    Note: CONTENTS Abstract Preface Introduction Model description and application Results and discussion Wind and current fields Standard simulation Thermodynamic simulation Zero ice strength Zero ice import Zero currents Modified currents Zero winds Dynamics simulation Summary and concluding remarks Literature cite
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  • 89
    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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  • 90
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    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-80/28
    In: CRREL Report, 80-28
    Description / Table of Contents: This report investigates the feasibility of clearing ice from the shipping channel of the St. Marys River. Four basic concepts are investigated: disposal under the ice, disposal on top of the ice, slurrying, and rafting. Each technique was found to have application in limited portions of the river with the exception of disposal on top of the adjacent ice sheet which is deemed feasible throughout the river system. Disposal onto the adjacent ice sheet will increase the free stream velocity less than 1.0 ft/s (30.5 cm/s) and raise the water level less than 1.0 ft (0.30 m). Further model and field tests are recommended to validate the findings of this report.
    Type of Medium: Series available for loan
    Pages: ii, 13 Seiten , Illustrationen
    Series Statement: CRREL Report 80-28
    Language: English
    Note: CONTENTS Abstract Preface Introduction The Environment Ice Growth and Accumulation Natural Ice Transport Accumulation Sites 1. Under-ice accumulation 2. Accumulation on top of the ice Evaluation of Ice Disposal Techniques 1. General 2. Disposal by displacement under the remaining ice sheet 3. Disposal by ejection on top of adjacent ice cover 4. Disposal by slurrying 5. Disposal by rafting Conclusions and Recommendations Literature Cited
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  • 91
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    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-80/6
    In: CRREL Report, 80-6
    Description / Table of Contents: Weekly measurements of the thickness of lake, river and fast sea ice made over a period of 10 to 15 years at 66 locations in Canada and Alaska are analyzed, and the portion of the data relating to maximum ice thickness and decay (i.e. the decrease in ice thickness) is examined. Ice thickness curves revealed individual patterns of ice decay, and comparisons between locations disclosed major contrasts in the amount of ice accretion and the times of maximum ice and ice clearance. Although many factors affect the ice decay process, this study investigates in detail the effect of thawing temperatures. Concurrent measurements of the air temperature at each location made it possible to analyze the relationship between accumulated thawing degree-days (ATDD) and ice cover decay. Other factors affecting ice ablation and breakup, such as snow-ice formation, snow cover depth, solar radiation and wind are also discussed.
    Type of Medium: Series available for loan
    Pages: v, 160 Seiten , Illustrationen
    Series Statement: CRREL Report 80-6
    Language: English
    Note: CONTENTS Abstract Preface Introduction Data sources and literature review Canada Alaska Data tabulation Station selection Description of tabulated data Station location and ice measurement site descriptions Review of previous studies on maximum ice in North America Maximum ice thickness maps Date of maximum ice Plotting of the ice decay curves General procedures Categories of water bodies Ice decay at sea ice locations Envelope curves Average curves Snow-ice formation Ice decay at lake ice locations Average curves Regional variations and similarities Ice decay at river ice locations Variations in ice thickness Rapid ice clearance Comparison between Alaskan and Canadian river ice decay curves Incremental extraction of ice decay data for analysis purposes Selection of ice decay intervals Preliminary evaluation of the methodology Further considerations of the methodology Relationships between ice decay and thawing air temperatures Average daily vs maximum daily air temperature 10-day increments vs accumulated values Total years vs year-to-year analysis Evaluation of use of 0°C as a base Final format of the relationship between ice decay and ATDD Evaluation of the final form Possible causes for variations in slope values Decreasing sea ice thickness and thawing air temperatures Factors affecting sea ice decay Relationship between ATDD and sea ice decay Influence of solar radiation and wind on sea ice decay Literature cited Selected bibliography Appendix A. Ice thickness measurements and other related (or associated) observations for stations in Canada and Alaska Appendix B. Maps of least and greatest ice thickness observed at the time of maximum growth, and average date of occurrence Appendix C. Annual ice decay curves for stations in Canada and Alaska
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  • 92
    Call number: ZSP-201-80/5
    In: CRREL Report, 80-5
    Description / Table of Contents: This research comprised laboratory testing to determine the properties of asphalt-aggregate mixtures containing three grades of asphalt cements, and analyses to project the performance of pavements containing each of the asphalts, in resisting thermally induced distress and traffic-associated distress. From the results it is concluded that only the softest asphalt cement tested (AC 2.5) would perform satisfactorily in a cold climatic zone. The moderately soft (AC 5) and moderately hard (AC 20) asphalt cements showed little susceptibility to thermal cracking in a moderate and a warm climatic zone, respectively. The AC 2.5 and AC 5 asphalts are not recommended for use in warm climates, however, owing to increased susceptibility to rutting under traffic.
    Type of Medium: Series available for loan
    Pages: vi, 55 Seiten , Illustrationen
    Series Statement: CRREL Report 80-5
    Language: English
    Note: CONTENTS Abstract Preface Introduction Research setting Objectives Materials, mixture designs, and tests Materials Mixture design tests Brazil test Resilient modulus test Data analysis Marshall tests Asphalt grade Compactive effort Aggregate type Data analysis Brazil tests Indirect tensile strength Tensile strain Vertical deformation Summary of Brazil test results Data analysis-resilIient modulus. Comparison of mixture susceptibility to temperature cracking General asphalt concrete stiffness Thermal cracking. Influence of asphalt cement properties Summary Comparison of mixture susceptibility to traftic-load-associated distress Stress/strain analysis Fatigue damage analysis Rutting analysis Strength correlations Marshall stability and indirect tensile strength Indirect tensile strength and resilient modulus Summary Summary and conclusions Recapitulation of investigations Summary of results Conclusions Literature cited Appendix A: Asphalt adggregate mixture properties by Marshall method Appendix B: Equations for calculating specimen properties from Brazil tests Appendix C: Calculated displacements, strains and stresses
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  • 93
    Call number: ZSP-201-80/4
    In: CRREL Report, 80-4
    Description / Table of Contents: The primary objectives of this study were to 1) prepare a map from Landsat imagery of the Upper Susitna River Basin drainage network, lakes, glaciers and snowfields, 2) identify possible faults and lineaments within the upper basin and within a 100-km radius of the proposed Devil Canyon and Watana dam sites as observed on Landsat imagery, and 3) prepare a Landsat-derived map showing the distribution of surficial geologic materials and poorly drained areas. The EROS Digital Image Enhancement System (EDIES) provided computer- enhanced images of Landsat-1 scene 5470-19560. The EDIES false color composite of this scene was used as the base for mapping drainage network, lakes, glaciers and snowfields, six surficial geologic materials units and poorly drained areas. We used some single-band and other color composites of Landsat images during interpretation. All the above maps were prepared by photointerpretation of Landsat images without using computer analysis, aerial photographs, field data, or published reports. These other data sources were used only after the mapping was completed to compare and verify the information interpreted and delineations mapped from the Landsat images. Four Landsat-1 MSS band 7 winter scenes were used in the photomosaic prepared for the lineament mapping. We mapped only those lineaments related to reported regional tectonics, although there were many more lineaments evident on the Landsat photomosaic.
    Type of Medium: Series available for loan
    Pages: iii, 41 Seiten , Illustrationen
    Series Statement: CRREL Report 80-4
    Language: English
    Note: CONTENTS Abstract Preface Summary Objectives Conclusions Introduction Background Previous cooperative investigations Project rationale and coordination Approach Landsat imagery Interpretation techniques Part I. Use of Landsat imagery in mapping the drainage network, lakes, glaciers and snowfields (Lawrence W. Gatto) Objective Methods Results Conclusions Part II. Use of Landsat imagery in mapping and evaluating geologiclineaments and possible faults (Carolyn J. Merry) Objective Geologic structure Methods Results Conclusions Part Ill. Use of Landsat imagery in mapping surficial materials Section A. Landsat mapping (Harlan L. McKim) Objective Methods Results Section B. Field evaluation (Daniel E. Lawson) Objectives Methods Results Discussion Section C. Conclusions (Daniel E. Lawson and Harlan L. McKim) Literature cited Glossary
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  • 94
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    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-80/16
    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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  • 95
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    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-80/26
    In: CRREL Report, 80-26
    Description / Table of Contents: A vital concern to the survivability of hardened underground structures in rock is the relative displacement induced along geologic discontinuities by nearby explosions. Such displacement, commonly termed block motion, can occur along faults, joints, bedding planes and other structural weaknesses in rock. This report documents all occurrences of block motion observed during the development of DIHEST, a series of shallow-buried high explosive experiments designed to simulate the direct induced ground motions from a nuclear surface burst. Instances of block motion are described, along with pertinent details of the explosive arrays, geology and ground motion fields. The influence of these and other factors on the direction and magnitude of block motion is discussed.
    Type of Medium: Series available for loan
    Pages: vi, 62 Seiten , Illustrationen
    Series Statement: CRREL Report 80-26
    Language: English
    Note: CONTENTS Abstract Preface Conversion factors Introduction STARMET Test description Test results PLANEWAVE II Test description Test results DATEX II Test description Test results HANDEC II Test description Test results ROCKTEST II Test description Test results Summary and discussion Literature cited
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  • 96
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    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-80/15
    In: CRREL Report, 80-15
    Description / Table of Contents: This report discusses the time constraints on measuring the thermal resistance (R-value) of building components. Temperature changes on either side of a building component perturb measurement accuracy. Long measurement times and measurement times corresponding to a consistent diurnal cycle can be satisfactory; however, individual temperature changes cause significant error for shorter measurement periods. This report shows how to scale the thermal properties of individual constituent materials in a building element to determine its characteristic thermal time constant. The report then demonstrates the size of measurement error resulting from a variety of changes in temperature with representative walls of different time constants.
    Type of Medium: Series available for loan
    Pages: iii, 30 Seiten , Illustrationen
    Series Statement: CRREL Report 80-15
    Language: English
    Note: CONTENTS Abstract Preface Conversion factors Introduction Field measurement and analysis of transient heat flow A closer look at handling the constraints Random change Step change Ramp change Application of theory Literature cited Appendix A. Percentage error from a step input Appendix B. Time constraints of sample walls Appendix C. Percentage error from a ramp input Appendix D. Percentage error from a sinusoidal input Appendix E. Percentage error programs for a Hewlett-Packard HP-25 calculator Appendix F. Experimental determination of time constants Appendix G. Derivation of time constant formula for multiple layers
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  • 97
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    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-80/13
    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.
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    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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  • 98
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    Series available for loan
    College, Alas. : Division of Geological and Geophysical Surveys
    Call number: AWI G3-23-95009
    Type of Medium: Series available for loan
    Pages: IX,109 Seiten , Illustrationen
    Series Statement: Special report / Division of Geological and Geophysical Surveys 15
    Language: English
    Note: CONTENTS Introduction Sources of information Acknowledgments Physical setting of the Fairbanks area Topography and geology Climate Selected references Frozen ground Seasonally frozen ground Definition The problem Cause of frost heaving Frost action in the Fairbanks area Frost action on pile construction Highway bridges The Alaska Railroad Trans-Alaska Pipeline System Other frost-heave problems Loss of bearing strength Solutions to the frost-action problem Permafrost Definition The problem Origin and thermal regime Distribution and thickness Permafrost in the Fairbanks area Permafrost of the flood plain Permafrost of alluvial fans, colluvial slopes, and silt lowlands Boundaries between permafrost and non permafrost areas Character of ground ice Principles of land use in permafrost areas Ground subsidence caused by thawing of ice-rich permafrost Preliminary statement Thermokarst phenomena General features Therrnokarst mounds Therrnokarst pits Effects on agricultural development Effects on railroads Effects on roads and highways Effects on airfields Effects on heated buildings Effects on natural-gas and oil pipelines General statement Gas pipelines Trans-Alaska Pipeline System Effects on buried utility lines Indicators of permafrost Recognition of the problem Vegetation Small landforms and natural surface patterns Selected references Ground water Preliminary statement Ground water in the Fairbanks area Preliminary statement Tanana and Chena River flood plains Upland hills Lower hillslopes and creek-valley bottoms Geologic hazards associated with ground-water movement in permafrost regions Preliminary statement Artesian wells Icings Seepage icings Stream icings Summary of icings Pingos Selected references Earthquakes Introduction Causes and locations of earthquakes Classification and terminology of earthquakes Earthquake hazards in the Fairbanks area Summary of the earthquake hazard Selected references Landslides Landslides in the Fairbanks area Selected references Hillside erosion in loess Preliminary statement Examples of loess erosion Selected references Flooding Introduction History of flooding in the Fairbanks area Frequency of flooding in the Fairbanks area Solution to the problem of flooding Introduction Structural measures Nonstructural measures Flood proofing Flood warning and evacuation Flood insurance Selected references , Englisch
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  • 99
    Call number: AWI Bio-23-95083
    Type of Medium: Monograph available for loan
    Pages: 606 Seiten , Illustrationen , 19 cm
    Edition: 87., völlig überarbeitete und erweiterte Auflage von Werner Rauh und Karlheinz Senghas
    ISBN: 3-494-00327-0
    Language: German
    Note: Inhaltsverzeichnis Einleitung: Erklärung der botanischen Fachausdrücke Einige Bemerkungen zur Gliederung des Pflanzenreiches und zur Nomenklatur der Pflanzen Bemerkungen zur Umgrenzung des von der „Flora" erfaßten Gebietes Angaben zur Häufigkeit der Pflanzen Zur Verbreitung der Pflanzen Kurze Bemerkungen zur Geschichte der mitteleuropäischen Flora Naturschutz Hinweise zum Sammeln und Bestimmen von Pflanzen Alphabetisches Verzeichnis häufiger botanischer Fachausdrücke Anleitung zum Gebrauch der Bestimmungstabellen Erklärung der im Text verwendeten Abkürzungen Abkürzungen für Verbreitungsangaben im Gebiet Erläuterung der verschiedenen Druckarten in den Tabellen Das der „Flora" zugrundeliegende System der Pflanzen Tabelle zum Bestimmen der Hauptgruppen Tabellen zum Bestimmen der Familien Tabellen zum Bestimmen der Familien und Gattungen der Blütenpflanzen nach vorwiegend vegetativen Merkmalen Abteilung: Pteridophyta, Gefäßsporenpflanzen Abteilung: Spermatophyta, Samenpflanzen 1. Unterabteilung: Gymnospermae, Nacktsamige Pflanzen 2. Unterabteilung: Angiospermae, Bedecktsamige Pflanzen 1. Klasse: Dicotyledoneae, Zweikeimblättrige Pflanzen 2. Klasse: Monocotyledoneae, Einkeimblättrige Pflanzen Literaturverzeichnis Verzeichnis der geschützten Pflanzenarten Verzeichnis der abgekürzten Autorennamen Verzeichnis der lateinischen und deutschen Pflanzennamen
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  • 100
    Call number: AWI Bio-23-95024
    Type of Medium: Monograph available for loan
    Pages: X, 583 Seiten , Illustrationen , 19 cm
    Edition: 16., neugestaltete und erweiterte Auflage, 93. bis 100. Tausend von Matthias Schaefer ...
    ISBN: 3-494-00043-3
    Language: German
    Note: Inhaltsverzeichnis Vorwort zur 16. Auflage Aus dem Vorwort zur 13. Auflage Aus dem Vorwort zur 9. Auflage Verzeichnis oft gebrauchter Abkürzungen und Fachausdrücke Systematische Übersicht Tierstämme (M. Schaefer) Stamm: Protozoa, Urtiere (M. Schaefer) Stamm: Porifera, Schwämme (W. Tischler) Stamm: Coelenterata, Hohltiere (W. Tischler) Stamm: Tentaculata, Kranzfüßler (M. Schaefer) Stämme: Scolecida, Niedere Würmer (M. Schaefer) Stamm: Mollusca, Weichtiere (W. Tischler) Stamm: Annelida, Ringelwürmer (M. Schaefer) Stamm: Tardigrada, Bärtierchen (W. Tischler) Stamm: Pentastomida, Zungenwürmer (W. Tischler) Stamm: Arthropoda, Gliederfüßer (Übersicht: M. Schaefer) I. Chelicerata, Spinnentiere (M. Schaefer) II. Crustacea, Krebse (M. Schaefer) III. Tracheata, Tausendfüßer und Insekten . 1. Klasse: Myriopoda, Tausendfüßer (W. Tischler) 2. Klasse: Insecta, Insekten (Ordnungen: W. Tischler) 1.-4. Ord.: Apterygota, Urinsekten (B. Hauser) 5. Ord.: Ephemeroptera, Eintagsfliegen (W. Tischler) 6. Ord.: Odonata, Libellen (E. Schmidt) 7. Ord.: PIecoptera, Steinfliegen (W. Tischler) 8.-11. Ord.: Orthopteria, Geradflügler (K. Harz) 12.-14. Ord.: Psocopteria, Rindenläuse, Tierläuse (W. Tischler) 15. Ord.: Thysanoptera, Fransenflügler (W: Tischler) 16. Ord.: Rhynchota, Schnabelkerfe (W. Tischler excl. Aphidina; K. Heinze: Aphidina) 17. Ord.: Coleoptera, Käfer (W. Tischler) 18. Ord.: Strepsiptera, Fächerflügler (W. Tischler) 19.-21. Ord.: Neuropteria, Netzflügler (W. Tischler) 22. Ord.: Hymenoptera, Hautflügler (M. Schaefer) 23. Ord.: Mecoptera, Schnabelfliegen (W. Tischler) 24. Ord.: Siphonaptera, Flöhe (M. Schaefer) 25. Ord.: Diptera, Zweiflügler (F. Sick) 26. Ord.: Trichoptera, Köcherfliegen (F. Sick) 27. Ord.: Lepidoptera, Schmetterlinge (K. Sattler) Stamm: Echinodermata, Stachelhäuter (W. Tischler) Stamm: Tunicata, Manteltiere (W. Tischler) Stamm: Acrania, Schädellose (R. Kändler) Stamm: Vertebrata, Wirbeltiere 1. Klasse: Pisces, Fische (R. Kändler: Meeresfische; A. Pape: Süßwasserfische) 2. Klasse: Amphibia, Lurche (M. Schaefer) 3. Klasse: Reptilia, Kriechtiere (M. Schaefer) 4. Klasse: Aves, Vögel (A. Kleinschmidt) 5. Klasse: Mammalia, Säugetiere (H. Bohlken u. H. Reichstein) Register , Deutsch
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