ALBERT

Note: TABLE OF CONTENTS Preface Chapter 1. The CO2-Carbonic Acid System and Solution Chemistry Basic Concepts Activity Coefficients in Solutions Influences of Temperature and Pressure The Carbonic Acid System in Seawater Calculation of the Saturation State of Seawater with Respect to Carbonate Minerals Concluding Remarks Chapter 2. Interactions Between Carbonate Minerals and Solutions Sedimentary Carbonate Minerals Basic Concepts Characteristics of Sedimentary Carbonate Minerals Solubility Behavior of Carbonate Minerals General Considerations Calcite and Aragonite Solubility Methods for the Calculation of Equilibrium Solution Composition Under Different Conditions Surface Chemistry of Carbonate Minerals Basic Principles Adsorption of Ions on Carbonate Surfaces Carbonate Dissolution and Precipitation Kinetics Basic Principles Reaction Kinetics in Simple Solutions Reaction Kinetics in Complex Solutions Concluding Remarks Chapter 3. Coprecipitation Reactions and Solid Solutions of Carbonate Minerals General Concepts Background Information Basic Chemical Considerations Coprecipitation of "Foreign" Ions in Carbonate Minerals Examples of Coprecipitation Reactions General Models for Partition Coefficients in Carbonates Magnesian Calcite General Considerations The Fundamental Problems Experimental Observations Hypothesis of a Hydrated Magnesian Calcite Stable Isotope Chemistry General Considerations Oxygen Isotopes Carbon Stable Isotopes Concluding Remarks Chapter 4. The Oceanic Carbonate System and Calcium Carbonate Accumulation in Deep Sea Sediments An Overview of Major Processes The CO2 System in Oceanic Waters The Upper Ocean The Deep Sea Saturation State of Deep Seawater with Respect to CaCO3 Sources and Sedimentation of Deep Sea Carbonates Sources Sedimentation The Distribution of CaCO3 in Deep Sea Sediments and Carbonate Lithofacies General Considerations The Distribution of CaCO3 in Surface Sediments Factors Controlling the Accumulation of Calcium Carbonate in Deep Sea Sediments General Relations Factors Leading to Variability Near Interfacial Processes Variability of Calcium Carbonate Deposition in Deep Sea Sediments with Time Influence of Glacial Times The Impact of Fossil Fuel CO2 on the Ocean-Carbonate System Concluding Remarks Chapter 5. Composition and Source of Shoal-Water Carbonate Sediments Introduction Shoal-Water Carbonates in Space and Time Carbonate Grains and Skeletal Parts Overview and Examples Sediment Classification Depositional Environments Concluding Statement Biomineralization General Aspects Environmental Controls on Mineralogy Stable Isotopes Coprecipitation Precipitation of Carbonates from Seawater Carbonate Chemistry of Shallow Seawater Abiotic Precipitation of CaCO3 from Seawater Sources of Aragonite Needle Muds Formation of Oöids Concluding Remarks 238 Chapter 6. Early Marine Diagenesis of Shoal-Water Carbonate Sediments Introduction Some Preliminary Thermodynamic and Kinetic Considerations Very Early Diagenesis Major Diagenetic Processes Pore Water Chemistry Precipitation of Early Carbonate Cements Dissolution of Carbonates Concluding Remarks Chapter 7. Early Non-Marine Diagenesis of Sedimentary Carbonates Introduction Plate-Tectonic Controls on Diagenesis General Considerations for Early Non-Marine Diagenesis Major Types of Non-Marine Environments Water Chemistry Reactivity of Sedimentary Carbonates Major Phase Transformations The Transformation of Aragonite to Calcite Dolomite Formation Summary Remarks Mass Transfer During Diagenesis General Considerations Geochemical Constraints on Mass Transfer Beachrock Formation Lithification in the Meteoric Environment Introduction The Meteoric Environment and Cement Precipitates Bermuda: A Case Study of a Meteoric Diagenetic Environment Introduction Geological Framework Limestone Chemistry and Isotopic Composition Water Chemistry Carbonate Mass Transfer A Brief Synthesis of Meteoric Diagenesis Diagenetic Stages Effect of Original Mineralogy Climatic Effects Rock-Water Relationships Mixed Meteoric-Marine Regime Concluding Remarks Chapter 8. Carbonates as Sedimentary Rocks in Subsurface Processes Introduction P,T, and X and Carbonate Mineral Stability Subsurface Water Chemistry in Sedimentary Basins Continuous Processes Pressure Solution Dolomitization Mud to Spar Neomorphism Secondary Porosity Cementation in the Subsurface Examples of "Models" of Long-Term Diagenesis The Present Ocean Setting The Present Continental Setting Concluding Remarks Chapter 9. The Current Carbon Cycle and Human Impact Introduction Modern Biogeochemical Cycle of Carbon A Model for the Cycle of Carbon Methane and Carbon Monoxide Fluxes CO2 Fluxes Human Impact on Carbon Fluxes The Fossil Fuel and Land Use Fluxes Observed Atmospheric CO2 Concentration Increase Future'Atmospheric CO2 Concentration Trends Consequences of Increased Atmospheric CO2 Levels The Oceanic System Sources of Calcium, Magnesium, and Carbon for Modern Oceans Mass Balance of Ca, Mg, and C in Present Oceans Oceanic Mass Balance of Elements Interactive with Ca, Mg, and C Concluding Remarks Chapter 10. Sedimentary Carbonates in the Evolution of Earth's Surface Environment Introduction Sedimentary Rock Mass-Age Distributions Secular Trends in Sedimentary Rock Properties Lithologic Types Chemistry and Mineralogy Carbon Cycling Modeling Introduction and Development of a Global Model Glacial-Interglacial Changes of Carbon Dioxide Long-Term Changes of Atmospheric CO2 Phanerozoic Cycling of Sedimentary Carbonates Synopsis of the Origin and Evolution of the Hydrosphere-Atmosphere-Sedimentary Lithosphere Origin of the Hydrosphere The Early Stages The Transitional Stage Modern Conditions Concluding Remarks Epilogue Introduction The Road Traveled The State of the Art Ever Onward References Index

Note: Master and use copy. Digital master created according to Benchmark for Faithful Digital Reproductions of Monographs and Serials, Version 1. Digital Library Federation, December 2002

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.

Note: Front Cover; Advances in Geophysics, Volume 35; Copyright Page; Contents; Chapter 1. Seismological Constraints on the Velocity Structure and Fate of Subducting Lithospheric Slabs: 25 Years of Progress; 1. Introduction; 2. General Characterization of Slab and Wedge Structures; 3. Travel Time Pattern Constraints on Slab Velocity Structure; 4. Tomographical Imaging of Slab Velocity Structure; 5. Slab Boundaries: Converted and Reflected Phases; 6. Focusing, Multipathing, and Diffraction Effects of Slab Structure; 7. Future Directions in Slab Imaging and Summary; References; Index;.

Note: Table of Contents: 1. Data description. - Origin. - Changes in Operational Analysis Systems. - Geopotential grid processing. - Temperature, wind and wave flux calculations. - 2. Statistical calculations. - 3. References. - 4. Results. - Monthly average meridional cross sections. - Means and variances of zonal mean winds, temperatures and wave fluxes, plus stationary and transient wave statistics. - Hemispheric polar projections for January, April, July and October. - Mean geopotential height, temperature, wind speed and daily geopotential variance maps for 700, 500, 300, 100, 50, 10 and 1 mb. - Ensemble average latitude-time diagrams. - Zonal mean winds and temperatures, and stationary and transient eddy geopotential height, temperature and wave flux quantities. - Ensemble average height-time diagrams. - Zonal mean winds and temperatures, and stationary and transient eddy geopotential heights and temperatures. - Latitude-time and height-time diagrams of zonal winds and rms geopotential, height wave amplitudes for individual years 1979-1990. - Tables of monthly mean temperatures and zonal winds.

Note: Univ., Diplomarbeit--Bochum, 1992

Note: CONTENTS: STRATIGRAPHY AND PALEOGEOGRAPHY. - The Devonian-Carboniferous Boundary in Russian Eurasia / Kirill V. Simakov. - Base Olenekian and Base Anisian Sequence Boundaries Produced by Triassic Circumpolar 'Synchronous' Transgressions / Atle Mørk, Alexander Y. Egorov, and Ashton F. Embry. - Mesozoic Stratigraphy of Franz Josef Land Archipelago, Arctic Russia - A Literature Review / Ashton F. Embry. - The Continental Triassic Biostratigraphy of the Timan-North Urals Region from Tetrapod Data / Igor V. Novikov. - Climatic Fluctuations and Other Events in the Mesozoic for the Siberian Arctic / Viktor A. Zakharov. - Lower Triassic Vertebrates from the North of Central Siberia / Michael A. Shishkin. - The Use of Parallel Bizonal Scales for Refined Correlation in the Jurassic of the Boreal Realm / Boris L. Nikitenko and Boris N. Shurygin. - Lower Toarcian Black Shales and Pliensbachian-Toarcian Crisis of the Biota of Siberian Paleoseas / Boris L. Nikitenko and Boris N. Shurygin. - Earliest Tertiary Cenozoic Paleogeography of the Arctic Ocean / Louie Marincovich, Jr. - Comparative Geology of Northern Chukotka and the Northern Canadian Cordillera / Yuri M. Bychkov and M. E. Gorodinsky. - Paleokarst in the Katakturuk Dolomite (Proterzoic), Northeastern Brooks Range, Alaska / James G. Clough and Mark S. Robinson. - Pre-Mississippian Rocks in the Clarence and Malcolm Rivers Area, Alaska, and the Yukon Territory / John S. Kelley, Chester T. Wrucke, and Larry S. Lane. - Correlation of Pre-Carboniferous Carbonate Successions of Northern Alaska / Julie A. Dumoulin and Anita G. Harris. - Depositional Record of a Major Tectonic Transition in Northern Alaska: Middle Devonian to Mississippian Rift-Basin Margin Deposits, Upper Kongakut River Region, Eastern Brooks Range, Alaska / Arlene V. Anderson, Wesley K Wallace, and Charles G. Mull. - Deep-Water Facies of the Lisburne Group, West-Central Brooks Range, Alaska / Julie A. Dumoulin, Anita G. Harris, and Jeanine M. Schmidt. - Conodont Biostratigraphy and Biofacies of the Wahoo Limestone (Carboniferous), Eastern Sadlerochit Mountains, Brooks Range, Alaska / Andrea P. Krumhardt, Anita G. Harris, and Keith F. Watts. - Maastrichtian/Danian(?) Ostracode Assemblages from Northern Alaska: Paleoenvironments and Paleobiogeographic Relations / Elisabeth M. Brouwers and Patrick De Deckker. - Geological and Geochemical Analysis of the Aurora Well, Offshore of the Arctic National Wildlife Refuge 1002 Area / Arthur C. Banet. - Correlation Study of Selected Exploration Wells from the North Slope and Beaufort Sea, Alaska / Susan M. Banet and James Scherr. - Correlation of the Pennsylvanian-Lower Cretaceous Succession Between Northwest Alaska and Southwest Sverdrup Basin: Implications for Hanna Trough Statigraphy / Ashton F. Embry, Michael B. Mickey, Hideyo Haga, and John H. Wall. - Stratigraphic and Seismic Analyses of Offshore Yakataga Formation Sections, Northeast Gulf of Alaska / Sarah D. Zellers and Martin B. Lagoe. - Statigraphy and Correlation of the Neoproterozoic Shaler Supergroup, Amundsen Basin, Northwestern Canada / Robert H. Rainbird. - Lower Paleozoic T-R Sequence Stratigraphy, Central Canadian Arctic / Tim A. de Freitas, Ulrich Mayr, and J. Christopher Harrison. - Silurian Foredeep and Accretionary Prism in Northern Ellesmere Island: Implications for the Nature of the Ellesmerian Orogeny / Marcia G. Bjørnerud and D. C. Bradley. - Uppermost Albian-Campanian Palynological Biostratigraphy of Axel Heiberg and Ellesmere Islands (Canadian Arctic) / L. Koldo Núñez-Betelu, R. A. MacRae, L. V. Hills, and G.K Muecke. - STRUCTURE AND TECTONICS. - Triangle Zone Model for the Salt-Based Foldbelt in Canada's Arctic Islands / J. Christopher Harrison. - Subsidence Analysis and Tectonic Modeling of the Sverdrup Basin / Randell A. Stephenson, J. Boerstoel, A. F. Embry, and B. D. Rickerts. - Development of a Glaciated Arctic Continental Margin: Exemplified by the Western Margin of Svalbard / Espen S. Andersen, Anders Solheim, and Anders Elverhøi. - Basin Inversion and Thin-Skinned Deformation Associated with the Tertiary Transpressional West Spitsbergen Orogen / Arild Andresen, Steffen C. Burgh, and Pål Haremo. - The Geology of Franz Josef Land Archipelago, Russian Federation / Vitaly D. Dibner. - Triassic Marginal Basins of Northern and Eastern Europe and Evidence for Global Sea-Level Fluctuations / Vladlen R. Lozovsky. - Rift-and-Graben Systems of the Eurasian-Arctic Continental Margin / Edward V. Shipilov and E. V. Senin. - Accretionary History of Northeast Asia / Leonid N. Parfenov. - Paleomagnetism and the Kolyma Structural Loop / David B. Stone, Stephen G. Crumley, and Leonid M. Parfenov. - Major Tectonic Interpretation and Constraints for the New Siberian Islands Region, Russian Arctic / Mikhael K. Kos'ko. - Geology of Wrangel Island Between Chukchi and East Siberian Seas, Northeastern Russia - Excerpts from Geological Survey of Canada Bulletin 461 / Mikhael K. Kos'ko, Michael P. Cecile, Victor G. Ganelin, Nikolai V. Khandoshkoy, and Boris G. Lopatin. - Precambrian Rocks in the Anadyr-Koryak Region / Oleg N. Ivanov. - Deep Structure of Mafic - Ultramafic Complexes in the Anadyr - Koryak Region / Yuri Ya. Vashchilov. - Accreted Mesozoic Oceanic Complexes of Koryak Superterrane, Northeastern Russia / Vladimir N. Grigoriev, Kirill A . Krylov, and Sergey D. Sokolov. - Reconnaissance Paleomagnetism of the Olyutorsky Superterrane, NE Russia / Alexander Heiphetz, William Harbert, and Leonid Savostin. - Preliminary Reconniassance Paleomagnetism of Some Late Mesozoic Ophiolites, Kuyul Region, Northern Kayak Superterrane, Russia / Alexander Heiphetz, William Harbert, and Paul Layer. - The Gankuvayam Section, Kuyul Ophiolitic Terrane, as a Type Ophiolitic Section on the Arctic Margin of the Russian Far East / Ivan V. Panchenko. - Tectono-Magmatic Environments Within Continent-to-Ocean Transition Zone of the Northwestern Pacific / Oleg N. Ivanov. - Stratigraphy, Structure, and Origin of the Franklinian, Northeast Chukchi Basin, Arctic Alaska Plate / Kirk W. Sherwood. - Early Tertiary Wrench Faulting in the North Chukchi Basin, Chukchi Sea, Alaska / Richard T. Lothamer. - Apatite Fission-Track Evidence of Episodic Early Cretaceous to Late Tertiary Cooling and Uplift Events, Central Brooks Range, Alaska / John M. Murphy, Paul B. O'Sullivan, and Andrew J. W. Gleadow. - The Cenozoic Structural Evolution of the Northeastern Brooks Range, Alaska / Catherine L. Hanks, Wesley K. Wallace, and Paul O'Sullivan. - Timing of Tertiary Episodes of Cooling in Response to Uplift and Erosion, Northeastern Brooks Range, Alaska / Paul B. O'Sullivan. - GEOPHYSICS OF THE ARCTIC OCEAN BASINS AND MARGINS. - A New Crustal Model of the Lincoln Sea Polar Margin / Malcolm Argyle, David A. Forsyth, Andrew V. Okulitch, and Del Huston. - A New Plate Kinematic Model of Canada Basin Evolution / Larry S. Lane. - The Age of the Amerasia Basin / Ashton F. Embry and James Dixon. - Implications for Canada Basin Development from the Crustal Structure of the Southern Beaufort Sea-MacKenzie Delta Area / Randell A. Stephenson, K. C. Coflin, L. S. Lane, and J. R. Dietrich. - A Preliminary Analysis of Potential Field Data in the Southern Chukchi Sea / Bruce M. Hennan and Susan A. Zerwick. - Seismicity of the Amerasian Arctic Shelf and its Relationship to Tectonic Features / Kazuya Fujita and Boris M. Koz'min. - Generalized Rheological Model of the Lithosphere and Plate Tectonics / Vladimir P. Pan and Y. P. Zmiyensky. - The Arctic Geodynamic System: Its Boundaries, Deep Geology and Structural Evolution / Igor S. Gramberg and Y. E. Pogrebitsky. - QUATERNARY AND MARINE GEOLOGY. - The Quaternary Deposits of the Barents Sea and Valdai Glaciation of the Eurasian Arctic Shelf / Lev R. Merklin, N. N. Dunaev, O. V. Levchenko, and Yu. A. Pavlidis. - Deep Ice Scour and Mass Wasting Features on the Northern Svalbard Insular Shelf and Slope / Norman Z. Cherkis, M. D. Max, A. Midthassel, K. Crane,

Note: Enth. auch: SCAR Group of Specialists on Southern Ocean Ecology : meeting at Hobart, Tasmania, 3-5 September 1988. - SCAR Working Group on Geology : meetings at Hobart, Tasmania, 5 and 9 September 1988. - SCAR Working Group on Solid Earth Geophysics : meetings at Hobart, Tasmania, 5 and 9 September 1988. - SCAR Working Groups on Geology and Solid Earth Geophysics : joint meeting at Hobart, Tasmania, 5-8 September 1988. - SCAR Working Group on Logistics and Managers of National Antarctic Programmes : meeting at Hobart, Tasmania 5-9 September 1988.

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

Note: CONTENTS: I. National Committee for Antarctic Research, and National Operating Body. - II. Map of Stations. - Ill. Permanent Observatories, Regular Observations and Long-term Monitoring. - IV. Report on Highlights of Science Activities from Previous Reporting Period (1 Oct. 90 - 31 March 91). - A. Biology. - B. Geodesy & Geographic Information. - C. Geology. - D. Solid Earth Geophysics. - E. Glaciology. - F. Human Biology & Medicine. - G. Atmospheric Sciences. - H. Logistics. - I. Ocean Physical Sciences (incl. Marine Chemistry). - V. List of Permits and Rationale for Entry into SPAs and SSSIs. - VI. Prospectus of Planned Activities for Coming Reporting Period (1 April 91 - 31 March 92). - A. Biology. - B. Geodesy & Geographic Information. - C. Geology. - D. Solid Earth Geophysics. - E. Glaciology. - F. Human Biology & Medicine. - G. Atmospheric Sciences. - H. Logistics. - I. Ocean Physical Sciences (incl. Marine Chemistry). - VII. Future Activities Planned & Funded (beyond 31 March 92). - A. Biology. - B. Geodesy & Geographic Information. - C. Geology. - D. Solid Earth Geophysics. - E. Glaciology. - F. Human Biology & Medicine. - G. Atmospheric Sciences. - H. Logistics. - I. Ocean Physical Sciences (incl. Marine Chemistry). - VIII. Bibliography. - IX. List of Principal Investigators and Responsible Authorities.

Note: Beilage unter dem Titel: SCAR : Wissenschaftliches Komitee für Antarktisforschung , Beilage unter dem Titel: Deutsche Mitglieder in SCAR-Gruppen = German members in SCAR Groups , Beilage unter dem Titel: Corrigendum / German Antarctic Research Report to SCAR, No. 12 - 1990 , Beilage unter dem Titel: SCAR Bulletin : No. 99, October 1990 ; Stations of SCAR nations operating in the Antarctic, winter 1990 , CONTENTS: I. National Committee for Antarctic Research, and National Operating Organization/Agency. - II. Map of Stations. - Ill. Permanent Observatories, Regular Observations and Long-term Monitoring. - IV. Report on Highlights of Science Activities from Previous Reporting Period (1 Oct. 89 - 31 March 90). - A. Biology. - B. Geodesy & Geographic Information. - C. Geology. - D. Solid Earth Geophysics. - E. Glaciology. - F. Human Biology & Medicine. - G. Atmospheric Sciences. - H. Logistics. - I. Ocean Physical Sciences. - V. List of Permits and Rationale for Entry into SPAs and SSSIs. - VI. Prospectus of Planned Activities for Coming Reporting Period (1 April 90 - 31 March 91). - A. Biology. - B. Geodesy & Geographic Information. - C. Geology. - D. Solid Earth Geophysics. - E. Glaciology. - F. Human Biology & Medicine. - G. Atmospheric Sciences. - H. Logistics. - I. Ocean Physical Sciences. - VII. Future Activities Planned & Funded (beyond 31 March 91). - A. Biology. - B. Geodesy & Geographic Information. - C. Geology. - D. Solid Earth Geophysics. - E. Glaciology. - F. Human Biology & Medicine. - G. Atmospheric Sciences. - H. Logistics. - I. Ocean Physical Sciences. - VIII. Bibliography. - IX. List of Principal Investigators and Responsible Authorities.

Note: CONTENTS: I. National Committee for Antarctic Research, and National Operating Organization/Agency. - II. Map of Stations. - Ill. Permanent Observatories, Regular Observations and Long-term Monitoring. - IV. Report on Highlights of Science Activities from Previous Reporting Period (1 Oct. 88 - 31 March 89). - A. Biology. - B. Geodesy & Geographic Information. - C. Geology. - D. Solid Earth Geophysics. - E. Glaciology. - F. Human Biology & Medicine. - G Atmospheric Sciences. - H. Logistics. - I. Ocean Physical Sciences. - V. List of Permits and Rationale for Entry into SPAs and SSSIs. - VI. Prospectus of Planned Activities for Coming Reporting Period (1 April 89 - 31 March 90). - A. Biology. - B. Geodesy & Geographic Information. - C. Geology. - D. Solid Earth Geophysics. - E. Glaciology. - F. Human Biology & Medicine. - G. Atmospheric Sciences. - H. Logistics. - I. Ocean Physical Sciences. - VII. Future Activities Planned & Funded (beyond 31 March 90). - VIII. Bibliography. - IX. List of Principal Investigators and Responsible Authorities. - X. Summary Listing of Projects.

Note: Contents: Membership of the National Committee on Antarctic Research in the Federal Republic of Germany. - Members of Permanent Working Groups and Groups of Specialists of SCAR. - Introduction. - Stations. - I. Record of Activities (past and ongoing), April 1987 - October 1988. - II. Planned Activities, October 1988 - October 1989. - References. - Addenda to Former Reports. - Index of Activities.

Note: CONTENTS: Introduction. - International co-operation. - Intergovernmental co-operation. - Non-governmental co-operation. - I. Scientific Programme. - 1. Astronomy. - 2. Biological Sciences. - 2.1 The marine ecosystem and its living resources. - 2.1.1 Food resources, phytoplankton production and zooplankton. - 2.1.2 The role of the benthos. - 2.1.3 The role of micro-organisms. - 2.1.4 Distribution and incidence of seals in the pack-ice of the Weddell Sea. - 2.1.5 Distribution and life history of fishes. - 2.1.6 Large-scaie distribution and drift of krill. - 2.1.7 Composition and behaviour of krill shoals. - 2.1.8 Preservation and processing of krill. - 2.2 The adaptation of antarctic marine organisms to their environment. - 2.2.1 Experiments and marine studies on .the ecophysiology of krill. - 2.2.2 Temperature regulation and food requirements of warm-blooded antarctic animals. - 2.2.3 Growth, digestive system and food economy of antarctic fishes. - 2.2.4 Freezing resistance of sea animals. - 2.2.5 Taxonomy of antarctic marine organisms. - 2.3 Terrestrial biology in Antarctica. - 2.3.1 Temperature adjustments in the reproductive biology of antarctic birds. - 2.3.2 Biochemical bases of growth processes in poikilothermic organisms at very low temperatures. - 2.3.3 Nutritional biology of poikilothermic herbivora. - 2.3.4 Study of lichens, fungi and bacteria in Antarctica and on offshore islands. - 2.3.5 Photosynthesis and heterotrophic life cycle of plants at very low temperatures. - 2.4 Environmental protection in Antarctica. - 2.5 Human biology and medicine in polar regions. - 3. Geodesy, Cartography and Remote Sensing. - 3.1 Satellite geodesy. - 3.2 Doppler satellite positioning. - 3.3 Geodetic mapping of ice-free areas. - 3.4 Remote-sensing by satellite. - 4. Geology and Geophysics. - 4.1 Study of drift processes as a contribution to the geological history of Antarctica. - 4.1.1 Study of magnetic structures by means of aeromagnetic photography. - 4.1.2 Paleomagnetic studies of drift evolution. - 4.1.3 Micro-earthquakes as indicators of tectonic activity. - 4.1.4 Earth tides and natural oscillations of the earth. - 4.2 Studies of the structure of crust and mantle. - 4.2.1 Structure of the basement complex of the transantarctic mountain chain in the area east of the Filchner Ice Shelf. - 4.2.2 Structure of the basement of the Weddell Sea, the Filchner/Ronne Ice Shelf, and the peripheral area. - 4.2.3 Oldest and highly metamorphous rocks of the East Antarctic. - 4.3 Stratigraphy, tectonics and magmatism in the mobile areas. - 4.3.1 Mobile fringe areas of the East Antarctic. - 4.3.2 Paleozoic and mesozoic mountains(Beacon upper group) in the transantarctic mountains. - 4.3.3 Early paleozoic to cainozoic orogenes in the area around the Filchner/Ronne Ice Shelf. - 4.4 Study of exogenous processes under extremely cold conditions. - 4.4.1 Glacial geology and geomorphology. - 4.4.2 Weathering and detrital formation. - 4.5 Geoscientific marine research. - 5. Glaciology. - 5.1 Volume and dynamics of the Filchner/Ronne Ice Shelf. - 5.2 Determining the extent and thickness of the ice and its temporal variation in the Filchner/Ronne Ice Shelf sector and peripheral areas. - 5.3 Determining the composition and inner structure of the Filchner/Ronne Ice Shelf on the basis of geophysical surface measurements. - 5.4 Studies of the dynamics of the pack-ice in the Weddell Gyre. - 5.5 Physical characteristics of ocean ice. - 5.6 Glaciological drillings. - 5.7 Chemical composition and accumulation genesis of antarctic background aerosol; global transport of trace gases and aerosols. - 5.8 Study of the elastic and rheological characteristics of ice, its heat conductability and texture affected by deformation. - 6. Upper Atmosphere and Extraterrestrial Physics. - 6.1 Investigation of whistlers and VLF radio emissions (chorus, hiss, etc) at conjugated points. - 6.2 Study of terresterial magnetic pulsations at conjugated points. - 6.3 Study of atmospherics to obtain more precise data on worldwide thunderstorms. - 6.4 Measurements of the aero-electric field. - 6.5 Balloon-based study of the ionosphere in the light of Mg t resonance lines. - 6.6 Measurement of the vertical distribution of ozone, steam and aerosol up to an altitude of 30 km. - 6.7 Measurements of emission in the infrared 9.6 µ ozone band from the ground. - 6.8 Other projects which may be carried out simultaneously with the above or later. - 6.9 Proposed basic terrestrial magnetic equipment for the Antarctic Station. - 6.10 Meteorite search expedition. - 6.11 Study of micrometeorites and cosmic dust. - 7. Meteorology and Oceanography. - 7.1 Meteorology. - 7.1.1 Atmospheric boundary stratum. - 7.1.2 Study of stratospheric circulation. - 7.1.3 Measurement of trace gases over long periods. - 7.1.4 Other research projects. - 7.1.5 Weather service observations and consultations. - 7.1.6 Basic meteorological equipment for the Antarctic Station. - 7.2 Physical oceanography. - 7.2.1 Formation and extent of bottom water in the Atlantic sector of the circumantarctic ocean. - 7.2.2 Numeric simulation of the vertical flows of material, energy and impulses. - 7 2.3 Time scales of transportation in deep water with the aid of radioactive trace elements. - 7.2.4 Detection of heavy metals in the Antarctic Ocean. - 7.2.5 Fishery oceanography in circumantarctic waters. - 7.2.6 Other research projects. - 8. Engineering Sciences. - 8.1 Shipbuilding technology. - 8.1.1 Measuring and testing programme regarding the performance of vessels in ice and technical developments in the construction of ice-going vessels. - 8.2 Iceberg location and navigation. - 8.2.1 Iceberg location. - 8.2.2 Development of precision positioning systems (also for dynamic positioning) to ensure noninterference with signals transmitted through ice and water masses of different thicknesses. - 8.3 Construction techniques. - 8.4 Exploration techniques. - 8.5 Other topics. - The Antarctic Research Station. - The Polar Research and Supply Ship. - The Polar Research Institute. - Institutions contributing to the Programme.

Note: CONTENTS Abstract Preface Conversion factors Summary Introduction Determining economic thicknesses for insulation Background Analysis method for new construction Analysis method for reinsulating existing construction Sensitivity and longevity of the results Sensitivity Longevity Recommendations Saving money vs. saving energy Energy economics conservation Building energy performance standards Conclusion Literature cited Appendix A: Heating system costs Appendix B: Present worth factors Appendix C: Base case and incremental thermal properties Appendix D: LCC comparison graphs for wall and roof systems Appendix E: Cost penalties for energy conservatism Appendix F: Graphic aid for figuring energy savings thermal improvements

Note: Contents: Abstract Preface Introduction Vapor flow Temperature profile Crystal growth rates Equilibirum versus kinetic growth forms of snow crystals Discussion Summary Literature cited

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

Note: Inhaltsverzeichnis 1. Einleitende Übersicht 2. Nationale und internationale Zusammenarbeit 3. Forschungsarbeiten - Expeditionen 3.1 Antarktisexpedition X/2-8 3.2 Arktisexpedition IX 3.3 Antarktisexpedition Xl 3.4 Landexpedition Sibirien 4. Wissenschaftliche Arbeiten der Sektionen 4.1 Biologie I (Zoologie) 4.2 Biologie II (Botanik und Mikrobiologie) 4.3 Chemie 4.4 Geologie 4.5 Geophysik 4.6 Physik des Ozeans und der Atmosphäre I 4.7 Physik des Ozeans und der Atmosphäre II 4.8 Meeresphysik und Meßwesen 4.9 Forschungsstelle Potsdam 5. Ausgewählte Forschungsthemen Die Entwicklung von Kaltwasser-Makroalgen Die Biodiversität des antarktischen Benthos Weddellrobben - Tieftaucher in der Hochantarktis Die weltweit verbreitete Planktonalge Phaeocystis: Untersuchungen zu physiologischen und molekularen Unterschieden Die Entwicklung von Algen- und Bakteriengemeinschaften im Meereis Zooplanktonkot in der Arktis: Nahrungsgrundlage im Pelagial oder Transportvehikel bei der Sedimentation? Stimuliert ein globaler Anstieg des Kohlendioxids die marine Primärproduktion? Die Beziehung zwischen Huminstoffen und Aminosäuren in polaren Gewässern Die Ozonverteilung in der Atmosphäre über dem Atlantik Pinatubo-Aerosole und polare stratosphärische Wolken Spurengas-Messungen in der arktischen Stratosphäre während der Polarnacht Die mittleren vertikalen Ozonverteilungen über Arktis und Antarktis Eisbewegung und Subglazialtopographie im Umfeld der Schirmacheroase, Ostantarktis Umweltgeschichte der kontinentalen Ostantarktis - aufgezeichnet in Seesedimenten Das antarktische Meereis und seine Verbreitung in geologischer Vorzeit-Rekonstruktion und Modellierung Kalt- und Warmzeiten im Südatlantik anhand benthischer Foraminiferen Terrigener Sedimenteintrag im östlichen Arktischen Ozean Mineralbildung in Sedimenten und Böden der Permafrostzone Seismische Untersuchungen im eurasischen Becken (Arktischer Ozean) Untersuchungen zum Massenhaushalt des Inlandeises in Nordostgrönland Wassermassenbildung im Storfjord - ein Modell arktischer Schelfgebiete Atmosphärische Rollenkonvektion in der Framstraße ERS-l Radaraufnahmen des antarktischen Meereises Der Einfluß von Algen auf die physikalischen Prozesse im Meereis: ein Modell Die Bestimmung der Zirkulation im Weltmeer aus hydrographischen Daten Auswirkungen der Tiefenwasserproduktion auf die Zirkulation des Nordatlantik Infrarot-Zeilenkamera zur verbesserten Meereisfernerkundung LlDAR-Gerät zur Beobachtung fluoreszierender Stoffe im Meer Untersuchung der durch das Ozonloch verursachten UV-B Belastung auf Produktion und Artenzusammensetzung des Phytoplanktons 6. Logistik 7. Zentrale Einrichtungen 7.1 Öffentlichkeitsarbeit 7.2 Bibliothek 7.3 Rechenzentrum 8. Personeller Ausbau und Haushaltsentwicklung 8.1 Personal 8.2 Haushalt Anhang I Personal II Wissenschaftliche Veranstaltungen III Publikationen des Instituts IV Veröffentlichungen der Mitarbeiter V Abgeschlossene Examensarbeiten VI "Polarstern"-Expeditionen , Contents 1. Introductory Overview 2. International and National Cooperation 3. Research Projects - Expeditions 3.1 ANT X/2-8 3.2 ARK IX 3.3 ANT XI 3.4 Land Expedition to Siberia 4. Scienlific Work of the Sections 4.1 Biology I (Zoology, Ecophysiology and Macroalgae Ecology) 4.2 Biology II (Botany and Microbiology) 4.3 Chemistry 4.4. Geology 4.5 Geophysics and Glaciology 4.6 Physics of the Ocean and Atmosphere I 4.7 Physics of the Ocean and Atmosphere II 4.8 Marine Physics and Instrumentation 4.9 Potsdam Research Unit 5. Selected Research Topics The Evolution of cold-water macroalgae Antarctic Benthos Biodiversity Weddell Seals - deep divers in the High Antarctic The Cosmopolitan Planktonic Alga Phaeocystis: investigations into physiological and molecular differences Development of algal and bacterial communities in sea ice Zooplankton Faeces in Arctic Waters: Food for the Pelagic System or Transport Vehicle for Sedimenting Matter? Does the Global C02 Increase Stimulate Marine Primary Production? Relationship between Humic Substances and Amino Acids in Polar Waters The Ozone Distribution in the Atmosphere over the Atlantic Ocean Pinatubo Aerosols and Polar Stratospheric Clouds.. Measurement of Trace Gases in the Arctic Stratosphere during the Polar Night The Mean Vertical Distributions of Ozone above the Arctic and Antarctic Ice Movement and Sub-glacial Topography in the Vicinity of the Schirmacher Oasis, East Antarctic The Environmental History of the Continental East Antarctic as Recorded in Lake Sediments The Antarctic Sea Ice and its Extent in Geologically Prehistoric Times - Reconstruction and Modelling Benthic Foraminifera- Indicators of Glacial and Interglacial Climate in the South Atlantic Ocean Terrigenous Sediment Supply to the Eastern Arctic Ocean Mineral Formation in the Sediments and Soils of the Permafrost Zone Seismic Investigations in the Eurasian Basin (Arctic Ocean) Investigations into the Mass Balance of the Inland Ice in Northeast Greenland Water Mass Formation in the Storfjord - a Model of Arctic Shelf Regions Atmospheric Roll-Convection in the Fram Strait ERS-1 Radar Images of the Antarctic Sea Ice The Influence of Algae on the Physical Processes in Sea Ice: a Model Estimation of the Global Ocean Circulation from Hydrographic Measurements Influence of Deep Water Production on the North Atlantic General Circulation Infrared Line Scanner for Improved Remote Sensing of Sea Ice The LIDAR Instrument for Observation of Fluorescent Matter in the Ocean lnvestigation of the UV-B Impact on Phytoplankton Production and Species Composition 6. Logistics 6.1 Polar Stations 6.2 Research Vessels "Polarsten" and "Victor Hensen" 6.3 Polar Aircraft and Helicopters 6.4 General Logistics 7. Central Services 7.1 Press and Public Relations 7.2 Library 7.3 Computer Centre 8. Personnel Expansion and Budget Development 8.1 Personnel 8.2 Budget Annex I. Personnel II. Scientific Events Ill. Publications of the Institute IV. Publications by Members of Staff V. Completed Theses and Dissertations VI. "Polarstern" Expeditions

Note: CONTENTS Abstract Preface Nomenclature Introduction Experimental facility and procedures Ice test basin Ice growth procedure Measurements Ice growth and structure Ice thickness distribution Ice growth during freeze-up Ice growth during warm-up Structure of urea-doped ice Mechanical properties of urea-doped ice Introductory remarks Model of a two-layer elastic material Properties of urea-doped ice during freeze-up Properties of urea-doped ice during warm-up Applications to test program scheduling Summary and conclusions Literature cited Appendix A: Results of ice thickness measurements for various growth conditions Appendix B: Properties of untempered ice Appendix C: Properties of tempered ice

Note: CONTENTS Abstract Preface Introduction Setting Geology and soils Vegetation Climate Air temperature Precipitation Hydrology Annual and monthly runoff Individual storms Baseflow recessions Spatial flow variability Temporal flow variability Summary and conclusions Literature cited Appendix A: Station histories

Note: CONTENTS Abstract Preface Introduction Location of study Study methods Ice thickness Ice-cover composition Surface air temperatures Freeze-up and ice-out characteristics Results and discussion Ice-growth record Freezing-degree-day records Ice-growth predictions Summary and conclusions Literature cited Appendix A: Ice-growth records Appendix B: Measured and computed ice-growth curves

Note: CONTENTS Abstract Preface Introduction Previous work Stress measurements Design considerations Stress sensors Biaxial ice stress sensor Biaxial stress sensor theory Gauge deformation Stresses associated with cylindrical sensors Determination of ice stresses Gauge calibration Evaluation of the biaxial ice stress sensor Temperature sensitivity Biaxial loading test equipment Biaxial loading test results Differential thermal expansion Long-term drift Discussion of test results Conclusions Literature cited

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

Note: CONTENTS Abstract Preface Introduction Test arrangements Ice properties Crushing patterns Maximum ice force vs velocity Dynamic aspect ratio effect and crushing strength Measured ice force frequencies Calculated ice force frequencies Accelerations, velocities and displacements Damping Ice-induced negative damping Limit cycles Buckling load Conclusions Literature cited

Note: CONTENTS Abstract Introduction Profiling system Theoretical considerations Field program Discussion Literature cited

Note: CONTENTS Abstract Preface Nomenclature Introduction Experimental setup and procedure Results and discussion Cylindrical structures Conical structures Conclusions Literature cited Appendix A: Relationship between flexural strength and in-situ unconfined compressive strength Appendix B: Test data

Note: CONTENTS Abstract Preface Introduction Description of study Model results The problem Conclusions Literature cited

Note: Contents: Abstract Preface Introduction Objectives Analytical techniques Procedures for growing urea ice sheets Analysis of the crystalline structure of urea ice Characteristics of urea ice Results and discussion Ice sheet no. 1 Ice sheet no. 2 Ice sheet no. 3 Ice sheet no. 4 Ice sheet no. 5 Ice sheet no. 6 Ice sheet no. 7 Ice sheet no. 8 Ice sheet no. 9 Ice sheet no. 10 Ice sheet no. 11 Ice sheet no. 12 Ice sheet no. 13 Ice sheet no. 14 Ice sheet no. 15 Ice sheet no. 16 Ice sheet no. 17 Ice sheet no. 18 Ice sheet no. 19 Ice sheet no. 20 Ice sheet no. 21 Ice sheet no. 22 Ice sheet no. 23 Ice sheet no. 24 Urea concentrations in test tank solution and ice Discussion and conclusions E/σf ratio Thickness of incubation layer Crystal properties Literature cited Appendix A: Thin sections of urea ice sheets

Note: Contents Abstract Preface Introduction Background Materials Sample preparation Nuclear magnetic resonance Specific surface area Electrical conductivity Results and discussion Summary Literature cited Appendix A: Unfrozen water content vs temperature data for Lanzhou silt

Note: CONTENTS Abstract Preface Nomenclature Introduction Background Scope of study Literature review Introduction Incipient formation of frazil ice Particle size and evolution of frazil ice Influences of turbulence and water temperature on the rate of frazil ice formation Conclusions Analytical model Introduction Elements of heat transfer Elements of turbulence Experimentation Experimental apparatus Experimental procedure Results Introduction Nucleation of frazil ice Influences of turbulence on frazil ice formation Water temperature Influences of water temperature and turbulence on the concentration of frazil ice Frazil ice particle shape and size Conclusions Literature cited Appendix A: Preliminary frazil ice experiments Flume experiments Couette-flow Appendix B: Listing of computer program for calculation of frazil ice formation Appendix C: Water temperature rise attributable to frazil ice formation as computed usingthe analytical model .

Note: CONTENTS Abstract Preface Introduction Methods and instrumentation Results Drift tracks Pressure data Temperature data Discussion Conclusions Literature cited

Note: CONTENTS Abstract Preface Introduction Experimental set-up and conditions Results of wedge resistance measurements Results of floe size measurements Statistical analysis of data Comparison between model and full-scale data Conclusions and recommendations Literature cited Appendix A: Wedge tests-floe size measurements Appendix B: Wedge tests-histograms of floe length and floe area Appendix C: Cumulative frequency distributions for floe length and floe area

Note: COTENTS Abstract Preface Nomenclature Introduction Model characteristics and test conditions Ice-hull coefficient of friction Measurements of ice properties Experimental procedures Data acquisition system Test program and procedures for 1:10 model Test program and procedures for 1:24 model Analysis of test results Comparison of test results between 1:10 and 1:24 models Analysis of tests in broken or brash-filled ice channels Analysis of tests in level ice Full-scale prediction of level ice resistance Conclusions Literature cited

Note: CONTENTS Abstract Preface Nomenclature Introduction Dielectric properties of sea ice Time-domain spectroscopy measurement Laboratory measurements Field measurements Analysis of ladder data Conductivity of brine and sea ice Complex dielectric constant of brine and sea ice Discussion and conclusions Literature cited

Note: CONTENTS Abstract Nomenclature Introduction Principal relationships Constitutive equation Failure criteria Secondary creep: Flow equations Creep at constant stress (σ = Const.) Creep model Creep strain (σ = Const.) Creep at constant strain rate (ϵ = Const.) Stress-strain relationship Stress/strain/strain rate at failure Test data Preliminary analysis Constant stress tests (σ = Const.) Constant strain rate tests (ϵ = Const.) The principle of superposition Thermodynamic equation of creep Conclusions Literature cited

Note: Abstract Preface Introduction Tests Test specimens Test methods Results Impact strength of beanms Ductility of beams Effect of notched bars Elastic deflection of beams Impact tests on rebars Conclusions and summary Literature cited Appendix A: Beam crack patterns Appendix B: Photomicrographs of failure surfaces of some steels

Note: CONTENTS Abstract Preface Introduction Materials and methods Sites and site preparation Results and discussion Lake Morey Post Pond Conclusions and recommendations Literature cited

Note: CONTENTS Abstract Preface Nomenclature Introduction Non-melting heat transfer relations for horizontal surfaces Heat transfer for melting horizontal ice sheets Instrument setup, data acquisition and test procedures General Instrumentation Data acquisition Computer software Test procedures Data output from computer Equations used for data analysis Control volume and melting surface Control of variables Error analysis Experimental results and discussion Wave formation Temperature and velocity profiles in open channel flow Correlation of data Summary Literature cited Appendix A: Conversion equations for data acquisition equipment Appendix B: Computer code for data acquisition and analysis Appendix C: Typical test output Appendix D: Thermal properties of water and ice Appendix E: Error analysis Appendix F: Summary of test conditions Appendix G: Experimental data and calculated quantities, with inlet length

Note: CONTENTS Abstract Preface Background Present research in perspective Explanations of the grain-size dependency Grain size effects on the ductile to brittle transition Nucleation mechanisms and modeling Characteristic size of nucleated crack Cracking in ice Detection of internal fracturing by acoustic emission techniques Test methods Specimen preparation Creep testing apparatus Crack length and crack density measurements Crack healing measurements Thin section photographs Grain size determination Acquisition of acoustic emission data Presentation of results Specimen characteristics Microcrack measurements Creep behavior Crack healing Slip plane length distribution Acoustic emission observations Grain orientation Analysis and discussion Thick section observations The grain size vs crack size relationship Crack nucleation condition Crack density and specimen strain Creep behavior Normalized crack length Location of cracks Acoustic emission activity Summary and conclusions Suggestions for future work Literature cited Appendix A: Crack length histograms Appendix B: Crystal orientations

Note: CONTENTS Abstract Preface Part I - Structural properties Introduction Experimental setup Analytical techniques Results and discussion 1983-84 experiments 1984-85 experiments Conclusions and recommendations Part Il - Microwave properties Introduction Measurement techniques Results 1983-84 experiments 1984-85 experiments 1984-85 in-situ experiments Discussion Comparison of data Analytical modeling Summary and conclusions Literature cited Appendix A: Dielectric mixing model of sea ice

Note: CONTENTS Abstract Preface Introduction Measurements Spectra u and w velocity spectra Temperature and humidity spectra Inertial-dissipation estimates Cospectra u-w cospectra w-t and w-q cospectra t-q cospectra Refractive index spectra Conclusions Literature cited

Note: CONTENTS Abstract Preface Nomenclature Introduction Analytical studies on the onset of convection in a horizontal water layer Experimental studies on the onset of convection in a circular horizontal melt layer Temperature structure and heat transfer In a horizontal layer In a circular horizontal melt layer pHeat transfer studies in nonplanar geometries Forced convective heat transfer over a melting surface Discussion and conclusions Onset of convection Temperature structure and natural convective heat transfer Laminar forced convective heat transfer Literature cited

Note: CONTENTS Preface Introduction Radar equipment General operation Antennas Waveforms and phase polarity Antenna directivity Field procedures and data processing Field procedures Data recording Data processing Site location Results Pegasus runway Access road from Williams Field to Pegasus runway Williams Field Summary and conclusions Literature cited Appendix A: Airborne profile of a portion of the access road Abstract

Note: CONTENTS Abstract Preface Summary Introduction Description of the model Ice thickness equations Heat budget and oceanic boundary layer Analytic examination of the ridge redistribution process Theoretical framework Some specific redistributors Comparison to ridge morphological data Ice strength for different redistributors Numerical simulation results Basin-wide ice thickness and velocity characteristics Ice edge evolution and sensitivity Ice thickness characteristics off the Canadian Archipelago Comparison of observed and simulated ice drift Mass balance characteristics Concluding remarks Literature cited Appendix A: Mechanical redistributor Appendix B: Heat budget code Appendix C: Thickness finite difference code