ALBERT

Note: CONTENTS Preface Abstract Chapter I. Introduction to problem 1. Previous attempts at blasting frozen ground 2. Necessity for fundamental approach 3. Terminology 4. Description, objectives, and scope of the Keweenaw Tests 5. Selection of explosives 6. Classification and properties of commercial explosives 7. Characteristics of explosives in the Keweenaw Tests 8. Comparison of Atlas, Hercules, and Du Pont nitroglycerine-base explosives Chapter II. Test program Section I. Field tests 1. General 2. Test site 3. Field test procedure a. Site preparation b. Instrumentation c. Snow removal d. Determining depth of frozen ground e. Soil sampling and coring f. Layout of the test site g. Spacing of blast holes h. Blast-hole drilling i. Blasting procedure j. Field analysis and crater surveys k. Data-sheet computations l. Photography Section II. Laboratory tests 1. Soil handling and storage 2. Soil classification tests a. Specimen preparation b. Test procedure c. Test results 3. Tests to determine stress-strain relationship a. General b. Specimen preparation for unconfined compression tests c. Test procedure d. Results e. Observations Chapter III. Analysis of blast tests Section I. Mechanics of crater formation in frozen Keweenaw silt 1. Introduction 2. Shock phenomena 3. Expansion of the gas bubble 4. Rupture of surface and conversion of pressure head to velocity head Section II. Blast Test A - Relationships of explosive, radius of crater, volume of crater, and depth of crater 1. Introduction 2. Description 3. Results and analysis 4. Summary of observations Section Ill. Blast Test B - Energy utilization in blasting 1. Introduction 2. Description 3. Results and analysis 4. Summary of observation Section IV. Blast Test C - The frozen-ground interface 1. Introduction 2. Relation of frozen-ground interface to scaling laws 3. Relation between the ratio of chamber volume to crater volume and the volume-utilization factor 4. Increase in volum.e-utilization factor for charges placed below the frozen layer 5. Position of the gas bubble relative to the frozen-ground interface 6. Igloo-type foxhole construction Section V. Blast Test D - Foxhole construction 1. Introduction 2. Application of shaped charges to foxhole construction 3. Application of hand-auget drilling to foxhole construction 4. Conclusions Section VI. Blast Test E - Temperature effect 1. Introduction 2. Description 3. Results and analysis 4. Summary of observations Section VII. Blast Test F - Effect of charge shape 1. Introduction 2. Description 3. Conclusions Chapter IV. Summary of objectives; conclusions and recommendations Section I. Summary of objectives 1. Introduction 2. Objective 1: Most efficientt type of explosive for blasts in frozen ground 3. Objective 2: Fundamental relation between weight of explosive and depth of charge 4. Objective 3: Proper position of charge relative to the frozen-ground interface 5. Objective 4: Feasibility of fracturing the frozen layer by placing a charge in the underlying unfrozen material 6. Objective 5: Effect of diameter of the borehole and shape of charge on results of blasting Section II. Conclusions and recommendations 1. Feasibility of using explosives for constructing foxholes in frozen ground 2. Methods of placing the charge 3. Mechanics of crater formation 4. The crater equation 5. Future instrumentation 6. Classification of explosives 7. Correlation of blast data Appendix: Data sheets, Experiments 1-13

Note: Contents Preface PART I Framework of Climate Science CHAPTER 1 Overview of Climate Science Climate and Climate Change 1-1 Geologic Time Tools of Climate Science: Temperature Scales 1-2 How This Book Is Organized Development of Climate Science 1-3 How Scientists Study Climate Change Overview of the Climate System 1-4 Components of the Climate System 1-5 Climate Forcing 1-6 Climate System Responses 1-7 Time Scales of Forcing Versus Response 1-8 Differing Response Rates and Climate-System Interactions 1-9 Feedbacks in the Climate System Climate Interactions and Feedbacks: Positive and Negative Feedbacks CHAPTER 2 Climate Archives, Data, and Models Climate Archives, Dating, and Resolution 2-1 Types of Archives 2-2 Dating Climate Records 2-3 Climatic Resolution Climatic Data 2-4 Biotic Data 2-5 Geological and Geochemical Data Climate Models 2-6 Physical Climate Models 2-7 Geochemical Models PART II Tectonic-Scale Climate Change CHAPTER 3 CO2and Long-Term Climate Greenhouse Worlds Faint Young Sun Paradox Carbon Exchanges Between Rocks and the Atmosphere 3-1 Volcanic Input of Carbon from Rocks to the Atmosphere 3-2 Removal of CO2 from the Atmosphere by Chemical Weathering Climatic Factors That Control Chemical Weathering Is Chemical Weathering Earth’s Thermostat? 3-3 Greenhouse Role of Water Vapor Is Life the Ultimate Control on Earth’s Thermostat? 3-4 Gaia Hypothesis Looking Deeper into Climate Science: Organic Carbon Subcycle Was There a “Thermostat Malfunction”? A Snowball Earth? CHAPTER Plate Tectonics and Long-Term Climate Plate Tectonics 4-1 Structure and Composition of Tectonic Plates 4-2 Evidence of Past Plate Motions Polar Position Hypothesis 4-3 Glaciations and Continental Positions Since 500 Myr Ago Modeling Climate on the Supercontinent Pangaea 4-4 Input to the Model Simulation of Climate on Pangaea Looking Deeper into Climate Science: Brief Glaciation 440 Myr Ago 4-5 Output from the Model Simulation of Climate on Pangaea Tectonic Control of CO2 Input: BLAG Spreading-Rate Hypothesis 4-6 Control of CO2 Input by Seafloor Spreading 4-7 Initial Evaluation of the BLAG Spreading Rate Hypothesis Tectonic Control of CO2Removal: Uplift-Weathering Hypothesis 4-8 Rock Exposure and Chemical Weathering 4-9 Case Study: The Wind River Basin of Wyoming 4-10 Uplift and Chemical Weathering 4-11 Case Study: Weathering in the Amazon Basin 4-12 Weathering: Both a Climate Forcing and a Feedback? CHAPTER 5 Greenhouse Climate What Explains the Warmth 100 Myr Ago? 5-1 Model Simulations of the Cretaceous Greenhouse 5-2 What Explains the Data-Model Mismatch? 5-3 Relevance of Past Greenhouse Climate to the Future Sea Level Changes and Climate 5-4 Causes of Tectonic-Scale Changes in Sea Level 5-5 Effect of Changes in Sea Level on Climate Looking Deeper into Climate Science: Calculating Changes in Sea Level Asteroid Impact Large and Abrupt Greenhouse Episode near 50 Myr Ago CHAPTER 6 From Greenhouse to Icehouse: The Last 50 Million Years Global Climate Change Since 50 Myr Ago 6-1 Evidence from Ice and Vegetation 6-2 Evidence from Oxygen Isotope Measurements 6-3 Evidence from Mg/Ca Measurements Do Changes in Geography Explain the Cooling? 6-4 Gateway Hypothesis 6-5 Assessment of Gateway Changes Hypotheses Linked to Changes in CO2 6-6 Evaluation of the BLAG Spreading Rate Hypothesis 6-7 Evaluation of the Uplift Weathering Hypothesis Climate DebateTiming of the Uplift in Western North America Future Climate Change at Tectonic Scales Looking Deeper into Climate Science: Organic Carbon: Monterrey Hypothesis PART III Orbital-Scale Climate Change CHAPTER 7 Astronomical Control of Solar Radiation Earth’s Orbit Today 7-1 Earth’s Tilted Axis of Rotation and the Seasons 7-2 Earth’s Eccentric Orbit: Distance Between Earth and Sun Long-Term Changes in Earth’s Orbit 7-3 Changes in Earth’s Axial Tilt Through Time Tools of Climate Science: Cycles and Modulation 7-4 Changes in Earth’s Eccentric Orbit Through Time 7-5 Precession of the Solstices and Equinoxes Around Earth’s Orbit Looking Deeper into Climate Science: Earth’s Precession as a Sine Wave Changes in Insolation Received on Earth 7-6 Insolation Changes by Month and Season 7-7 Insolation Changes by Caloric Seasons Searching for Orbital-Scale Changes in Climatic Records 7-8 Time Series Analysis 7-9 Effects of Undersampling Climate Records 7-10 Tectonic-Scale Changes in Earth’s Orbit CHAPTER 8 Insolation Control of Monsoons Monsoon Circulations 8-1 Orbital-Scale Control of Summer Monsoons Orbital-Scale Changes in North African Summer Monsoons 8-2 “Stinky Muds” in the Mediteranean 8-3 Freshwater Diatoms in the Tropical Atlantic 8-4 Upwelling in the Equatorial Atlantic Orbital Monsoon Hypothesis: Regional Assessment 8-5 Cave Speleothems in China and Brazil 8-6 Phasing of Summer Monsoons Looking Deeper into Climate Science: Insolation-Driven Monsoon Responses: Chronometer for Tuning Monsoon Forcing Earlier in Earth’s History 8-7 Monsoons on Pangaea 200 Myr Ago 8-8 Joint Tectonic and Orbital Control of Monsoons CHAPTER 9 Insolation Control of Ice Sheets Milankovitch Theory: Orbital Control of Ice Sheets Modeling the Behavior of Ice Sheets 9-1 Insolation Control of Ice Sheet Size 9-2 Ice Sheets Lag Behind Summer Insolation Forcing 9-3 Delayed Bedrock Response Beneath Ice Sheets Looking Deeper into Climate Science: Ice Volume Response to Insolation 9-4 Full Cycle of Ice Growth and Decay 9-5 Ice Slipping and Calving Northern Hemisphere Ice Sheet History 9-6 Ice Sheet History: δ18O Evidence 9-7 Confirming Ice Volume Changes: Coral Reefs and Sea Level Is Milankovich’s Theory the Full Answer? Looking Deeper into Climate Science: Sea Level on Uplifting Islands CHAPTER 10 Orbital-Scale Changes in Carbon Dioxide and Methane Ice Cores 10-1 Drilling and Dating Ice Cores 10-2 Verifying Ice-Core Measurements of Ancient Air 10-3 Orbital-Scale Carbon Transfers: Carbon Isotopes Orbital-Scale Changes in CO2 10-4 Where Did the Missing Carbon Go? 10-5 δ13C Evidence of Carbon Transfer How Did the Carbon Get into the Deep Ocean? 10-6 Increased CO2 Solubility in Seawater 10-7 Biological Transfer from Surface Waters A Closer Look at Climate Science: Using δ13C to Measure Carbon Pumping 10-8 Changes in Deep-Water Circulation Orbital-Scale Changes in CH4 Orbital-Scale Climatic Roles: CO2and CH4 CHAPTER 11 Orbital-Scale Interactions, Feedbacks, and Unsolved Problems Climatic Responses Driven by the Ice Sheets Mystery of the 41,000-Year Glacial World 11-1 Did Insolation Really Vary Mainly at 41,000 Years? 11-2 Interhemispheric Cancellation of 23,000-Year Ice Volume Responses? 11-3 CO2 Feedback at 41,000 Years? Mystery of the ~100,000-Year Glacial World 11-4 How Is the Northern Ice Signal Transferred South? Why did the Northern Ice Sheets Vary at ~100,000 Years? Looking Deeper into Climate Science: Link Between Forcing and the Time Constants of Ice Response 11-5 Ice Interactions with Bedrock 11-6 Ice Interactions with the Local Environment 11-7 Ice Interactions with Greenhouse Gases PART IV Deglacial Climate Change CHAPTER 12 Last Glacial Maximum Glacial World: More Ice, Less Gas 12-1 Project CLIMAP: Reconstructing the Last Glacial Maximum 12-2 How Large Were the Ice Sheets? 12-3 Glacial Dirt and Winds Testing Model Simulations Against Biotic Data 12-4 COHMAP: Data-Model Comparisons 12-5 Pollen: Indicator of Climate on the Continents 12-6 Using Pollen for Data-Model Comparisons Data-Model Comparisons of Glacial Maximum Climates 12-7 Model Simulations of Glacial Maximum Climates 12-8 Climate Changes near the Northern Ice Sheets 12-9 Climate Changes far from the Northern Ice Sheets How Cold Were the Glacial Tropics? 12-10 Evidence for a Small Tropical Cooling 12-11 Evidence for a Large Tropical Cooling 12-12 Actual Cooling Was Medium-Small CHAPTER 13 Climate During and Since the Last Deglaciation Fire and Ice: Shift in the Balance of Power 13-1 When Did the Ice Sheets Melt? 13-2 Coral Reefs and Rising Sea Level 13-3 Glitches in the Deglaciation: Deglacial Two-Step To

Note: Contents: Preface. - Acknowledgements. - Chapter 1 Climate. - 1.1 The components of climate. - 1.2 Climate modelling and climate prediction. - 1.3 Climate changes and human perception. - 1.4 Feedback mechanisms in climate. - 1.4.1 The ice-albedo feedback mechanism. - 1.4.2 The water vapour “greenhouse”. - 1.4.3 Cloud feedbacks. - 1.4.4 Combining feedback effects. - 1.5 Perturbations on the climate system. - 1.5.1 External causes of climatic change. - 1.5.2 Internal causes of climatic change. - 1.6 Range of questions for climate modelling. - Recommended reading. - Chapter 2 A history of and introduction to climate models. - 2.1 Introducing climate modelling. - 2.2 Types of climate models. - 2.2.1 Energy balance climate models. - 2.2.2 One-dimensional radiative-convective climate models. - 2.2.3 Two-dimensional climate models. - 2.2.4 General circulation climate models. - 2.3 History of climate modelling. - 2.4 Sensitivity of climate models. - 2.5 Parameterization of climatic processes. - 2.6 Simulation of the full, interacting climate system: one goal of modelling. - Chapter 3 Energy balance models. - 3.1 Balancing the planetary radiation budget. - 3.2 The structure of energy balance models. - 3.3 Parameterizing the climate system for energy balance models. - 3.4 A BASIC energy balance climate model. - 3.5 Experiments with energy balance models. - 3.5.1 Explicit modelling of the cryosphere. - 3.6 Box models — another form of energy balance model. - 3.6.1 A simple box model of the ocean-atmosphere. - 3.6.2 A coupled atmosphere, land and ocean energy balance box model. - 3.7 Energy balance models: deceptively simple models. - Recommended reading. - Chapter 4 Radiative-convective models. - 4.1 The concept of a radiative-convective climate model. - 4.2 The structure of global radiative-convective models. - 4.3 Radiation computation. - 4.3.1 Shortwave radiation. - 4.3.2 Longwave radiation. - 4.3.3 Eleat balance at the ground. - 4.4 Convective adjustment. - 4.5 Sensitivity experiments with radiative-convective models. - 4.6 Development of radiative-convective models. - 4.6.1 Cloud amount and height predicted from ‘convection’. - 4.6.2 A water vapour transport model. - 4.7 Radiation: the driver of climate. - Recommended reading. - Chapter 5 Two-dimensional models. - 5.1 Why two-dimensional models?. - 5.2 Two-dimensional statistical dynamical climate models. - 5.3 Convection, cloud cover and precipitation in two-dimensional statistical dynamical models. - 5.4 Radiation and surface characterization in two-dimensional statistical dynamical models. - 5.4.1 Radiation. - 5.4.2 Surface characterization. - 5.5 Intercomparison of a two-and a three-dimensional model. - 5.6 Other types of two-dimensional models. - 5.6.1 An upgraded energy balance model. - 5.6.2 A severely truncated spectral general circulation climate model. - 5.7 Why are some climate modellers Flatlanders?. - Recommended reading. - Chapter 6 General circulation climate models. - 6.1 The structure of general circulation climate models. - 6.2 Dynamics in general circulation climate models. - 6.2.1 Cartesian (or rectangular) grid general circulation climate models. - 6.2.2 Spectral general circulation climate models. - 6.3 Physics in general circulation climate models. - 6.3.1 Radiative transfer. - 6.3.2 Boundary layer. - 6.3.3 Surface parameterization. - 6.3.4 Convection. - 6.3.5 Large scale rainfall. - 6.4 Including ‘other’ elements in general circulation climate models. - 6.4.1 Cloud prediction. - 6.4.2 Modelling the cryosphere. - 6.5 Land surface parameterization in general circulation climate models. - 6.6 Coupled ocean-atmosphere general circulation climate models. - 6.7 Future climate projects and their importance to general circulation climate models. - 6.8 Epilogue. - Recommended reading. - Appendices. - A. Glossary. - B. Climate models: examples of simple microcomputer software. - I. Daisyworld: a simple biospheric feedback climate model. - II. Modelling the climatic impact of anthropogenerated albedo change. - III. An energy balance climate model (EBM). - IV. Carbon dioxide feedback using a simple ocean model. - General Bibliography. - Index.

Note: INHALTSVERZEICHNIS: 25 Jahre DDR-Antarktisforschung / H. Kautzleben. - Report on Scientific Investigations at the Untersee and Obersee Lake, Central Dronnig Maud Land (East Antarctica) / I. M. Simonow, W. Stackebrandt,D. Haendel, E. Kaup, H. Kämpf, A. Loopmann. - Issledovanie ozer gornogo oazisa Unter-Zee / V. D. Klokov, E. V. Kaup, A. A. Loopmann. - Hydrogeochemische Untersuchungen an Seen und Niederschlägen in der Schirmacher-Oase, Königin-Maud-Land, Ostantarktika / U. Wand, W. D. Hermichen, M. Partisch, R. Zierath. - Beiträge zur Geologie der Hutton Mountains und Guettard Range, Lassiter Coast/Palmer Land (Antarktika) / W. Weber, J. J. Livschitz. - Die geomagnetische Vermessung der Schirmacheroase und ihrer Umgebung / V. Auster, V. Damm, M. Fredow, C. Kopsch, U. Schäfer. - Geomagnetische Meßprobleme und erste Meßergebnisse während der 27. SAE / C. Kopsch. - Salzausblühungen in der Schirmacher-Oase (Ostantarktika) / U. Wand, L. Fischer, W. Schmitz. - Moränen des Schelfeises als Höhenmarken in der Schirmacher-Oase / D. Hebert, W. Richter. - Laub- und Strauchflechten im Gebiet der Schirmacher-Oase: Systematik - Verbreitung - Ökologie (I) / W. Richter. - Horizontales Fließen der Ronne- und Filchner-Schelfeisgletscher (Westantarktika) (Wissenschaftliche Kurzinformation) / W. Weber, K. Peukert. - Jahreszeitliche und interannuale Meereisvariationen in der Region Weddellmeer von 1973 bis 1983 / H. Gernandt, K. Drescher. - Psychovegetative Befindlichkeitsveränderungen während der Adaptation an Langzeit-Stressbedingungen bei Polarforschern / E. Kunzendorf. , Beiträge teilweise in deutscher, englischer und russischer Sprache

Note: Contents Preface 1 Data Analysis in Earth Sciences 1.1 Introduction 1.2 Collecting Data 1.3 Types of Data 1.4 Methods of Data Analysis Recommended Reading 2 Introduction to MATLAB 2.1 MATLAB in Earth Sciences 2.2 Getting Started 2.3 The Syntax 2.4 Data Storage 2.5 Data Handling 2.6 Scripts and Functions 2.7 Basic Visualization Tools Recommended Reading 3 Univariate Statistics 3.1 Introduction 3.2 Empirical Distributions Measures of Central Tendency Measures of Dispersion 3.3 Example of Empirical Distributions 3.4 Theoretical Distributions Uniform Distribution Binomial or Bernoulli Distribution Poisson Distribution Normal or Gaussian Distribution Logarithmic Normal or Log-Normal Distribution Student's t Distribution Fisher's F Distribution Χ2 or Chi-Squared Distribution 3.5 Example ofTheoretical Distributions 3.6 Thet-Test 3.7 TheF-Test 3.8 The Χ2-Test Recommended Reading 4 Bivariate Statistics 4.1 Introduction 4.2 Pearson's Correlation Coefficient 4.3 Classical Linear Regression Analysis and Prediction 4.4 Analyzing the Residuals 4.5 Bootstrap Estimates of the Regression Coefficients 4.6 Jackknife Estimates of the Regression Coefficients 4.7 Cross Validation 4.8 Reduced Major Axis Regression 4.9 Curvilinear Regression Recommended Reading 5 Time-Series Analysis 5.1 Introduction 5.2 Generating Signals 5.3 Blackman-Tukey Autospectral Analysis 5.4 Blackman-Tukey Crossspectral Analysis 5.5 Interpolating and Analyzing Unevenly-Spaced Data 5.6 Evolutionary Blackman-Tukey Powerspectrum 5.7 Lomb-Scargle Powerspectrum 5.8 Wavelet Powerspectrum 5.9 Nonlinear Time-Series Analysis (by N. Marwarn) Phase Space Portrait Recurrence Plots Recommended Reading 6 Signal Processing 6.1 Introduction 6.2 Generating Signals 6.3 Linear Time-Invariant Systems 6.4 Convolution and Filtering 6.5 Comparing Functions for Filtering Data Series 6.6 Recursive and Nonrecursive Filters 6.7 Impulse Response 6.8 Frequency Response 6.9 Filter Design 6.10 Adaptive Filtering Recommended Reading 7 Spatial Data 7.1 Types of Spatial Data 7.2 The GSHHS Shoreline Data Set 7.3 The 2-Minute Gridded Global Elevation Data ETOPO2 7.4 The 30-Arc Seconds Elevation Model GTOPO30 7.5 The Shuttle Radar Topography Mission SRTM 7.6 Gridding and Contouring Background 7.7 Gridding Example 7.8 Comparison of Methods and Potential Artifacts 7.9 Statistics of Point Distributions Test for Uniform Distribution Test for Random Distribution Test for Clustering 7.10 Analysis of Digital Elevation Models (by R. Gebbers) 7.11 Geostatistics and Kriging (by R. Gebbers) Theorical Background Preceding Analysis Variography with the Classical Variogram Kriging Discussion of Kriging Recommended Reading 8 Image Processing 8.1 Introduction 8.2 Datastorage 8.3 Importing, Processing and Exporting Images 8.4 Importing, Processing and Exporting Satellite Images 8.5 Georeferencing Satellite Images 8.6 Digitizing from the Screen Recommended Reading 9 Multivariate Statistics 9.1 Introduction 9.2 Principal Component Analysis 9.3 Independent Component Analysis (by N. Marwan) 9.4 Cluster Analysis Recommended Reading 10 Statistics on Directional Data 10.1 Introduction 10.2 Graphical Representation 10.3 Empirical Distributions 10.4 Theoretical Distributions 10.5 Test for Randomness of Directional Data 10.6 Test for the Significance of a Mean Direction 10.7 Test for the Difference of Two Sets of Directions Recommended Reading General Index

Note: Contents I. Introduction, by H. Bader II. Excavation of trenches and tunnels, by R.W. Waterhouse III. Excavation of deep pit, by J.K. Landauer IV. Trench covering, framing, and instrumentation, by R.W. Waterhouse V. The snow house, by R.W. Waterhouse VI. Load measurements in the N-S trench, by R.W. Waterhouse VII. Deformation measurements, by J.K. Landauer VIII. Distance changes on the ice cap, by B.L. Hansen and H. Bader IX. Annual accumulation, by H. Bader X. Snow density and snow load in deep pit, by J.K. Landauer XI. Air permeability of snow from deep pit, by J.A. Bender XII. Viscosity of snow from deep pit, by J.K. Landauer XIII. Crushing strength of snow from deep pit, by T.R. Butkovich XIV. Shear strength of snow from deep pit, by T.R. Butkovich XV. Tensiel strength of snow from deep pit, by T.R. Butkovich XVI. Angle of internal friction of snow from deep pit, by T.R. Butkovich XVII. Snow temperatures, by J.K. Landauer

Note: CONTENTS COMPOSITION OF THE OFFICE CONTENTS INTRODUCTION I. THE POLAR REGIONS: AN URGENT NEED FOR PROTECTION A. EXTREME BUT FRAGILE REGIONS 1. The Arctic Ocean 2. Antarctica B. FRANCE'S RESPONSIBILITY IN THE ANTARCTICA TREATY 1. The origins of the treaty and the Antarctic system 2. Mining a suspended issue 3. Tourism: a new peaceful threat? II. THE POLES: THEIR KEY ROLE IN UNDERSTANDING CLIMATE CHANGE A. UNDERSTANDING PAST CLIMATES TO UNDERSTAND THE FUTURE CLIMATE 1. Recent ice cores from Greenland 2. lce cores from Antarctica 3. Ocean core samples: the transpolar link 4. The future of glacial core sampling B. THERMOHALINE CIRCULATION 1. The general circulation system 2. The importance of the creation of cold, deep waters 3. The Antarctic Ocean, a carbon sink C. THE POLAR REGIONS AT THE HEART OF GLOBAL CLIMATE CHANGE 1. Will the Arctic ice shelf disappear in the summer? 2. Will Greenland melt completely? 3. Can a diagnosis be made concerning the assessment of Antarctica's mass? III. FRANCE'S FIRST-CLASS BIOLOGICAL RESEARCH A. AN EXCEPTIONAL HERITAGE 1. A unique geographic situation 2. 40 to 50 years of continuous observations B. ADAPTING TO GLOBAL CLIMATE CHANGE AND EXTREME ENVIRONMENTS 1. Adapting to climate change 2. Understanding the adaptation to extreme environments C. INNOVATIVE RESEARCH 1. The equipment of animals 2. Hormonal, molecular and genetic research 3. The implications for the organization of research IV. OBSERVING THE EARTH, OBSERVING THE UNIVERSE A. OBSERVATORIES FOR THE EARTH AND THE UPPER ATMOSPHERE 1. Seismology 2. Measuring gravity and terrestrial magnetism 3. Studying the stratosphere and monitoring the ozone layer '1. Observing the ionosphere B. ANTARCTIC ASTRONOMY: A NEW FIELD 1. Recognizing this fast-growing discipline 2. Concordia: the best site in the world/or astronomic observations? 3. Searching for meteorites in Antarctica 4. Measuring cosmic radiation V. PREPARING THE SPACE MISSIONS IN ANTARCTICA A. PREPARING AND VALIDATING THE SATELLITE MISSIONS 1. Space and the polar regions: preparation complementarity 2. Validating on the ground observations made from space B. PREPARING MANNED SPACE FLIGHTS AND MOON OR MARS-BASED STATIONS 1. Concordia - a unique research site 2. Studying behaviour in an extreme environment 3. Physiological studies C. TESTING EXPLORATION MATERIAL 1. American examples and projects 2. European perspectives VI. FRANCE'S PRESENCE IN THE POLAR REGIONS A. DEVELOPING FRANCE'S PRESENCE IN THE ARCTIC, STRENGTHENING ITS PRESENCE IN ANTARCTICA 1. Developing France's Arctic presence 2. Strengthening our presence in the southern regions B. IPEV (THE FRENCH PAUL-EMILE VICTOR INSTITUTE), AN AGENCY OF MEANS VII. INTERNATIONAL COOPERATION: A NECESSITY AND A GOAL A. HOW TO ENCOURAGE A EUROPEAN PROCESS? 1. The European Union: a sufficient framework? 2. The practical and political limitations of cooperation 3. Towards an Italian-German-French engine? B. WHAT INTERNATIONAL COOPERATION FOR FRANCE ON THE EVE OF THE IPY? 1. Excellence, proximity and longevity: three key criteria for cooperation 2. Developing a network for the stations VIII. THE RAPPORTEUR'S CONCLUSIONS AND PROPOSALS 1. Strategic regions 2. Regions to protect 3. Essential regions for understanding climate change 4. Life in the polar regions: of great value to humanity 5. The polar regions: an observatory for the Earth 6. Strongly support the development of astronomy at Concordia 7. Take advantage of the polar regions' complementarity with the space missions 8. Strengthen France's presence in the polar regions 9. Reorganize France's presence in the polar regions 10. Better coordinate polar research 11. Solve the problem of insufficient funding for polar-research logistics 12. Define a French strategy for European and international cooperation APPENDICES SPEAKERS PROCEEDINGS OF THE 1 MARCH 2007 SEMINAR: "OPENING OF THE INTERNATIONAL POLAR YEAR IN FRANCE" PART ONE: LUNCH-DEBATE I. MR. HENRI REVOL, PRESIDENT OF THE OPECST II. MR. JEAN-LOUIS ETIENNE PART TWO: OFFICIAL OPENING SESSION I. INTRODUCTION A. MR. CHRISTIAN GAUDIN, SENATOR, RAPPORTEUR FOR THE OPECST B. MS. CATHERINE BRECHIGNAC, PRESIDENT OF THE CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (CNRS) C. MR. MICHEL JARRAUD, SECRETARY-GENERAL OF THE WORLD METEOROLOGICAL ORGANIZATION D. MR. CHRISTIAN COINTAT, SENATOR, PRESIDENT OF THE ANTARCTIC AND ARTIC STUDY GROUP II. OFFICIAL OPENING OF THE INTERNATIONAL POLAR YEAR IN FRANCE BY MR. CHRISTIAN PONCELET, PRESIDENT OF THE SENATE III. THEMATIC DEBATE-THE POLES: INDICATORS AND EVIDENCE FOR MANKIND A. MS. NELLY OLIN, MINISTER OF ECOLOGY AND SUSTAINABLE DEVELOPMENT B. MS. VALERIE MASSON-DELMOTTE, CLIMATOLOGIST, CEA C. MR. YVON LE MAHO, BIOLOGIST, CNRS D. MS. JOELLE ROBERT-LAMBLIN, ANTHROPOLOGIST, CNRS E. DEBATE IV. CLOSING SPEECHES A. MR. FRAN〈;:OIS GOULARD, MINISTER FOR HIGHER EDUCATION AND RESEARCH B. HIS SERENE HIGHNESS PRINCE ALBERT II OF MONACO APPENDICES APPENDIX 1: DOCUMENTS PRESENTED BY MS. VALERIE MASSONDELMOTTE, CLIMATOLOGIST - CEA APPENDIX 2: DOCUMENTS PRESENTED BY MS. JOELLE ROBERTLAMBLIN, ANTHROPOLOGIST - CNRS APPENDIX 3: DOCUMENTS PRESENTED BY MR. YVON LE MAHO, BIOLOGIST- CNRS

Note: Contents Preface Acknowledgements 1 Introduction Terms and abbreviations 2 The biogeographlcal setting Geology, physiography, and surface materials The structural framework Pleistocene geology Bioclimates Arctic and its three subzones Subarctic zone Boreal zone Eastern temperate zone Grassland zone Pacific and Cordilleran zones 3 Autecology and pollen representation Introduction Transcontinental, primarily boreal taxa Eastern, primarily temperate taxa Pacific-Cordilleran taxa Arctic taxa Modern regional pollen spectra The Western Interior The eastern plains transect The Pacific-Cordilleran transect General comments on the modern pollen spectra 4 Full-glacial refugla The southern refugia Pacific-Cordilleran refugia Interior plains and eastern region The Beringian refugia 5 Eastern Canada-fossil record and reconstruction Introduction The late glacial - 12,700 to 10,000 yr BP Southern Quebec and New Brunswick Maritime Canada The Great Lakes Basin Vegetation reconstruction The Holocene - 10,000 yr BP to the present Southern Quebec and New Brunswick The Maritimes, Labrador, and Northern Quebec The Great Lakes Vegetation reconstruction Boreal region 6 The Western Interior Sites near the forest-grassland transition Sites within the modern boreal forest Sites near the modern forest-tundra boundary 7 Pacific-Cordilleran region Southern Pacific zone Southern Cordilleran zone Northern Pacific zone Northern Cordilleran zone 8 Vegetation reconstruction and palaeoenvironments Introduction Origins and history Eastern temperate forests Boreal forest Grasslands and parklands Pacific-Cordilleran complex Tundra (arctic) Palaeoenvironmental controls Climate The Milankovitch model Full-glacial conditions Late-glacial and Holocene Fire Pathogens Paludification Problems for the future Climate disequilibrium Spatial resolution Pollen source area Concluding comments Appendix References Index

Note: INHALTSVERZEICHNIS: Der Einfluß interplanetarer Strukturparameter auf das ionosphärische Plasma in auroralen und aubauroralen Breiten / J. Bremer. - Beziehungen zwischen den D-Werten von Niederschlags- und Luftfeuchteproben und den meteorologischen Parametern im Gebiet der Station Novolasarevskaja (Ostantarktika) / P. Kowski, R. Höfling. - Feldarbeiten im Gebiet der Platforma Kamenistaja und der Else Platform (Jetty-Oase, Amery Eisshelf-Umrandung, Ostantarktika) / J. Hofmann. - Sedimentological characterization of the Turnpike Group, Shackleton Range, Antarctica / H.-J. Peach, K. Hahne, P. Vogler. - Zu Prozessen der vertikalen Differenzierung in den Lockerablagerungen der Schirmacher-Oase (Oatantarktia) / W. Krüger. - Hydrologische Untersuchungen in der Schirmacher-Oase (Oatantarktika) in der Saison 1983/84 (29. SAE) / A. Loopmann, V. D. Klokov. - Die Primärproduktion in Seen der Schirmacher und Unterseeoase (Ostantarktika) in der Saison 1983/84 (29. SAE) / E. Kaup. - Zur Bathymetrie einiger Seen der Schirmacher- und Untersee-Oase (Ostantarktika) / A. Loopmann, E. Kaup, D. Haendel, I. M. Simonov, V. D. Klokov. - Hydrochemische Untersuchungen im Unterseegebiet im Zentralen Wohlthatmassiv (Oatantarktika) / D. Haendel, E. Kaup. - Konzeptionelle Vorstellungen zur effektiven Nutzung geodätischer Verfahren für glaziologische Forschungen in der Antarktis / R. Dietrich. - Einsatz geodätischer Gerate in der Antarktis / R. Eger. - Penitentes auch in Antarktika? Über Ablationsformen in der Schirmacheroase, Dronning-Maud-Land (Oatantarktika) / W. Richter. - Die Robbenmumien der Schirmacheroase (Ostantarktika) / A. Hiller, A. Loopmann, W. Richter, D. Haendel. - Umweltstreß bei Umbilicaria decussata (Vill.) Zahlbr. (Flechten der Schirmacheroase, Oatantarktika, II) / W. Richter. - Häufige und auffällige Krustenflechten in der Schirmacheroase: Catillaria cremea, Acarospora gwynnii, Rhizocarpon flavum und Buellia frigida (Flechten der Schirmacheroase, III) / W. Richter. - Weitere ornithologische Beobachtungen aus dem Gebiet der Schirmacheroase (Ostantarktika) / D. Haendel, H. Kämpf, W. Richter, W. Stackebrandt. - Boreasische Seenplatte - Oasis Schirmachara - Dakshin Gangotri: Über die Benutzung geographischer Namen in der Antarktis / W. Richter. , Beiträge teilweise in deutscher, teilweise in englischer Sprache , Zusammenfassung in deutscher, englischer und russischer Sprache

Note: Inhaltsverzeichnis = Contents: Foreword. - Summaries. - Zwei Jahrzehnte Forschungsarbeiten der Geowissenschaftler der DDR auf Expeditionen = Two decades of expeditionary research work of geoscientists of the GDR / H. PESCHEL. - Methodische Aspekte der geologischen Erkundung des Subglazials am Beispiel des Hays-Gletschers = Methodological aspects of the geological investigation of the subglacial demonstrated by example of the Hays Glacier / H. DIETRICH. - Geodätisch-glaziologische Arbeiten in der Ostantarktis (1962 -1978) = Geodetic-glaciological activities carried out in East Antarctica between 1962 and 1978 / S. MEIER. - Geodätisch-glaziologische Wiederholungsmessungen am Hays-Gletscher 1977/78 = Geodetic-glaciological repetition measurements at the Hays Glacier /R. HOYER. - Gravimetrische Messungen und Erdgezeitenuntersuchungen in Antarktika = Gravimetric measurements and studies of earth tides in Antarctica / Cl. ELSTNER ; M. M. SCHNEIDER; H. WIRTH. - Vertikale Erdkrustenbewegungen und Potentialänderungen bei wechselnden Eis-Auflasten = Vertical earth crustal movements and variations in gravity potential related to changing ice load / R. DIETRICH. - Geodätisch-astronomische Arbeiten während der 8. und 17. SAE = Geodetic-astronomical activities during the 8th and 17th SAE / J. LIEBERT. - Zur Geologie der Gebirge in der Umrandung des Filchner-Eisschelfes = Geology of the mountain ranges surrounding the Filchner shelf ice / H. J. PAECH; J. HOFMANN; A. FRISCHBUTTER. - Tektonische Untersuchungen in der Gebirgsumrandung des Lambert-Gletschers, Ostantarktis = Tectonic investigations in the mountain ranges surrounding the Lambert Glacier, East Antarctica / J. HOFMANN. - Meteorologische Prozesse in der antarktischen Atmosphäre = Meteorological processes in the antarctic atmosphere / A. HELBIG. - Wettersatellitenbeobachtungen im Südpolargebiet = Weather satellite Observations in the south-polar region / H. GERNANDT. - Untersuchungen zur terrestrischen Refraktion und der thermischen Struktur der eisnahen Luftschicht in der Kilstenzone des Enderby-Landes/Antarktis (Kurzfassung) = Investigations of the terrestrial refraction and thermal structure of the near-ice air layer in the coastal zone of Enderby Land, Antarctica / G. DITTRICH; A. HELBIG. - Ergebnisse ionosphärischer Beobachtungen in hohen südlichen Breiten als Beitrag zur globalen Untersuchung der Hochatmosphäre = Results of ionospheric observations in high southern latitudes as a contribution to global investigations of the upper atmosphere / H. GERNANDT. - Forschungen mit Umweltnukliden in der Antarktis = Research with environmental nuclides in Antarctica / K. FRÖHLICH; H. SCHÜTZE. - Bioklimatisch-physiologische Untersuchungen einer DDR-Gruppe während der 20. Sowjetischen Antarktisexpedition = Bioklimatic-physiological investigations of a group of GDR-participants during the 20th Soviet Antarctic expedition / L. KLINKER; W. SPANGENBERG. - Untersuchungen zur biologischen Langzeitrhytmik unter besonderer Berücksichtigung cirkaseptaner Variationen = Investigations of the biological long-term rhythmic with particular emphasis on 7-day variations / M. TÖPFER. - Körperliche Belastung und Sauerstoffverbrauch - Untersuchungsergebnisse von der 20. Sowjetischen Antarktisexpedition = Physical stress and Oxygen consumption - results of investigations during the 20th SAE / G. SCHRADER; L. KLINKER. - Umweltuntersuchungen während der 20. Sowjetischen Antarktisexpedition zum Vorkommen von resistenten Clostridienstämmen im Boden und zur Verbreitung von DDT in der Fauna der Antarktis = Environmental investigations during the 20th Soviet Antarctic Expedition (SAE) relating to occurence in the soil of resistent phylla of clostridia and to the distribution of DDT in the antarctic fauna / G. SCHRADER. - Ergebnisse und Anwendungsmöglichkeiten der geoelektromagnetischen und technischen Untersuchungen auf Spitzbergen = Results and possibilities for application of geo-electromagnetic and technical investigations at Spitsbergen / V. AUSTER; K. LENGNING. - Tritium- und 14C-Untersuchungen im Rahmen der Antarktisforschung der DDR = Tritium and 14C investigations in the framewerk of GDR research activities in Antarctica /D. HEBERT; K. FRÖHLICH; M. M. SCHNEIDER. - Autorenverzeichnis. , Zusammenfassungen in englischer Sprache

Note: Contents = Soderžanie = Inhaltsverzeichnis: Foreword = Predislovie = Vorwort. - Meteorological research projects in the Antarctic from 1959 to 1984 = Meteorlogičeskie issledovanija v Antarktike v 1959 - 1984 gg. = Meteorologische Forschungsvorhaben in der Antarktis 1959 - 1984 / G. SKEIB. - Satellite observations over Antarctica = Nabljudenie Antarktiki s iskusstvennych sputnikov Zemli = Satellitenbeobachtungen über Antarktika / H. GERNANDT. - Geophysical investigations carried out by the GDR in Antarctica = Geofizičeskie issledovanija GDR v Antarktide = Geophysikalische Untersuchungen der DDR in Antarktika / M. M. SCHNEIDER, Cl. ELSTNER, V. AUSTER, U. SCHÄFER. - Studies of the upper layers of the Polar atmosphere = Issledovanie poljarnoj verchnej atmosfery = Beiträge zur Untersuchung der polaren Hochatmosphäre / H. GERNANDT, B. SCHÄNING. - Geological activities carried out by the GDR in Antarctica = Geologičeskie raboty GDR v Antarktide = Geologische Aktivitäten der DDR in Antarktika / J. HOFMANN, H.-J. PAECH. - Isotope research in Antarctica = Izotopnye issledovanija v Antarktide = Isotopenforschung in der Antarktis / H. SCHÜTZE, K. FRÖHLICH. - Geodetic-glaciological studies in the East Antarctic 1962-1978 = Geodezičesko-glaciologičeskie raboti v vostočnoj Antarktide v 1962-1978 gg. = Geodätisch-glaziologische Arbeiten in der Ostantarktis (1962-1978) / S. MEIER, R. DIETRICH. - Biological activities within the framework of the Soviet Antarctic Expeditions (25th-29th, 1979-1984) = Biologičeskie raboty vo vremja 25-oj - 29-oj SAĖ (1979-1984) = Biologische Arbeiten im Rahmen der 25.-29. SAE (1979-1984) / K. ODENING. - Abstract on medical research activities by the GDR in the Antarctic = Kratkij otčët medicinskich issledovanij v Antarktide = Kurzer Abriß zur medizinischen Antarktisforschung der DDR / G. SCHRADER, L. KLINKER. - 25 years Antarctic expeditions and their preparation = 25 let antarktičeskim ėkspedicijam i ich podgotovka = 25 Jahre Antarktisexpedition und ihre Vorbereitung / B. TRIPPHAHN. - Bibliography = Bibliografija = Bibliographie. , Text in deutscher, russischer und englischer Sprache , In kyrillischer Schrift

Note: Univ. Kassel, Diss., 2009

Note: Erscheinungsjahr in Vorlageform:c 2005

Note: CONTENTS Abstract Preface Introduction Stream bank erosional processes Permafrost and related factors Permafrost and erosion General Erosional processes Bank zone processes Bluff zone processes Factors affecting perm afrost erodibility Exposure to currents and wind waves Texture and stratigraphy Ice content, distribution and type Slope aspect Coriolis force Timing and depth of thaw Water level and temperature Vegetation Ice and snow cover Groundwater Rates and timing of erosion and recession Overall effects of permafrost Recommendations for research Literature cited Appendix A : Processes of stream bank modifications

Note: CONTENTS Abstract Preface Introduction Bering Strait Field reconnaissance Estimation of ice forces on Fairway Rock 1. Creep deformation 2. Crushing failure 3. Flexural failure 4. Forces required to form floating or grounded pressure ridges along therock or to pile ice on the beaches 5. Buckling failure Driving forces Angle of internal friction of sea ice Summary Literature cited Appendix A: April 1982 field observations at Fairway Rock

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 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

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

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

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

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

Note: CONTENTS Abstract Preface Nomenclature Introduction Snow metamorphism Mass transfer by diffusion in snow Heat transfer Background-porous media Structure of thermal convection Rayleigh number Onset problem Heat transfer attributable to thermal convection Layering and slope effects Studies of convection through snow Modeling Equation of motion Energy equation Finite difference methods Numerical solution Verification of the model Modeling results Effects of constant flux and permeable boundaries on convection in horizontal layers Effects of phase change on convection Convection in sloped layers Experiments Introduction Experimental apparatus Experimental results and discussion Glass beads Snow Applications and conclusions Onset of Benard convection in seasonal snow covers Applications to snow metamorphism Summary Recommendations Literature cited Appendix A: Derivation of fmite difference formulae Appendix B: Computer programs Appendix C: Sample calculations

Note: Contents: Membership of the National Committee on Antarctic Research in the Federal Republic of Germany. - Introduction. - Stations. - I. Record of Activities (past and ongoing), April 80-October 81. - II. Planned Activities, October 81-October 82. - References.

Note: CONTENTS Abstract Preface Introduction Field sampling program Site selection and description Coring procedures Core logging procedures Shipping and storage of ice samples Ice description Salinity and density Structure Constant-strain-rate compression tests Test variables Uniaxial compressive strength Strength and structure Strength and porosity Residual compressive strength Failure strain Initial tangent modulus Constant-strain-rate uniaxial tension tests Test variables Uniaxial tensile strength Failure strains Initial tangent modulus Constant-strain-rate triaxial tests Equipment Test variables Synthane end caps Triaxial strength Failure strains Initial tangent modulus Effect of sinthane end caps on results Constant-load compression tests Test variables Test results Conclusions Literature cited Appendix A: Ice structure profile of ridge C core Appendix H: Test data Appendix C: Static determination of Young's modulus in sea ice

Note: CONTENTS Abstract Preface Introduction Test procedure Test apparatus Test surfaces Ice samples Test program Results and discussion Effect of wear of ice sample Effect of normal pressure Effect of velocity, crystal orientation and surface conditions Results summary Comparison with laboratory study Recommendations on test apparatus Literature cited Appendix A : Test results

Note: CONTENTS Abstract Preface Introduction Materials and methods Bentonite and water samples Sorbate solutions Sorption isotherms HPLC analysis Analyte standards Water solubilities Octanol-water partition coefficients Sorption isotherms Freundlich Langmuir BET Scatchard Gibbs Linear Polynomial Results and discussion TNT DNT RDX and HMX Effect of drilling muds on analysis SEM and EDXA analysis of bentonite wells Other studies Summary Literature cited Appendix A : Results for TNT Appendix B: Results for DNT Appendix C: Results for RDX Appendix D : Results for HMX Appendix E: Characteristics of Quik-Gel, Aqua-Gel and well water

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 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 Nomenclature Introduction Aerodynamically rough surface Aerodynamically smooth surface Scalar transfer coefficients Conclusions Literature cited

Note: CONTENTS Preface Introduction Sea ice structure and classification Logistics and field operations Analytical techniques Crystalline structure Fluorescence Results Salinity Crystalline structure Fluorescence Description of selected floes Conclusions Literature cited Appendix A: Floe descriptions

Note: CONTENTS Abstract Preface Introduction Review of previous work Specimen preparation Material Molding Testing procedure and apparatus Test results Definition of strain and stress Definition of creep failure Definition of failure in constant-strain-rate tests Definition of initial yield strength Determination of initial tangent modulus and 50% peak strength modulus Creep behavior General nature of the creep process and the failure mode Minimum creep rate Time to creep failure Relationship between t, and tm Creep failure strain and failure criterion Creep model and prediction of creep strain Strength behavior General stress-strain behavior and failure mode Peak compressive strength Initial yield strength Failure strain Initial yield strain Initial tangent modulus 50% peak strength modulus Correspondence between constant-stress tests and constant-strain-rate tests Conclusions Literature cited Appendix A: Unfrozen water content data Appendix B: Physical properties of samples tested

Note: CONTENTS Abstract Preface Introduction Pre-field-deployment activities Software development System optimization Improvements of the calibration procedure Real-time processing Small bird design and implementation Other improvements Field activities Snow, ice and seawater data AEM surveys Calibration AEM data processing Post-survey results Processing problem Ground truth data Floe freeboard vs thickness analysis AEM sounding results Concluding remarks Literature cited Appendix A: Blowup of Figure 28

Note: CONTENTS Abstract Preface Introduction Background Formation, growth, and structure of sea ice Oceanic frazil production Multiyear ice Equilibrium growth Summer ice decay Annual layering Salinity distribution in sea ice Chemistry of sea ice Study area description Objectives Methodology Sample collection Blanks Chemical analyses Thin sections Data reduction Results and discussion First-year ice Multiyear ice Comparison of first-year and multiyear ice Summary Conclusions Future work References Appendix A: Concentration of chemical species in sea ice as reported in the literature Appendix B: Ice and water data Appendix C: Linear regression data

Note: CONTENTS Abstract Preface Nomenclature Introduction Zero superheat Constant phase change rate Zero sensible heat Finite sensible heat Finite superheat Quasi-steady solution Heat balance integral solution Approximate methods Conclusions Literature cited

Note: CONTENTS Preface Conversion factors Introduction Estimates and field measurements of ice forces on structures General Indirect estimates Direct measurements Small-scale and laboratory studies Instrumentation plan for measuring ice loads on the Yukon River Bridge Load cell development The single reaction beam system Performance of a single reaction beam load cell The double reation beam load cell Reaction beam design Stress in the beam Deflection Axial tensile stress in the reaction beam Measurement techniques Conclusions Literature cited Appendix A. Finding load magnitude and location with a single reaction beam device Appendix B. Finding load magnitude and location on a double reaction beam device

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

Note: CONTENTS Abstract Preface List of symbols Introduction Experimental apparatus Experimental procedures Analysis of forces Experimental results Analysis of data Conclusions Literature cited

Note: CONTENTS Abstract Preface Introduction Field program Results and discussion Conclusions Literature cited Appendix: Data analysis procedures

Note: CONTENTS Abstract Preface Nomenclature Introduction Velocity problem Heat and mass transfer problem - A single drop Heat and mass transfer - A system of drops Literature cited Appendix A: FORTRAN IV program to calculate final drop temperature, air temperatureand humidity

Note: CONTENTS Abstract Preface Metric conversion table Introduction Roughness and friction measurements Level plate ice performance Brash ice performance Ramming icebreaking performance Analysis of the data Propulsion efficiency in ice Regression analysis Conclusions and recommendations Literature cited

Note: CONTENTS Abstract Preface Introduction One-dimensional equations of simultaneous heat and moisture flux Moisture transport Heat transport Phase change Coupling effects Frost heave algorithm Development of computer model Finite difference vs finite element method Finite element formulation Time domain solution Evaluation of the mathematical model Heat flux Moisture flux Numerical dispersion Frost heave of homogeneous laboratory samples Conclusions Recommended studies to refine the model Literature cited Appendix A. Work plan, staffing and instrumentation requirements for correlating results oflaboratory frost susceptibility tests with field performance Appendix B. Proposed investigation of thaw weakening of subgrade soil and granular unboundbase course Appendix C. Derivation of finite element system matrices

Note: CONTENTS Preface Summary Introduction Measurements and results Tunnel North-south trench East-west trench Deep pit Theoretical development Sorge's Law Deformation of acylindrical tunnel in a viscous compressible medium Discussion Tunnel Trenches Deep pit References Appendix

Note: CONTENTS Abstract Preface Introduction Background Objectives and procedures Theory and instrumentation Radio frequency interferometry Case 1: Homogeneous ground model Case 2: Two-layer ground model RFI instrumentation Low frequency methods Point Barrow sites Results and discussion Site 1: Tundra Site 2: Beach ridge Site 3: Marsh Conclusions Literature cited Appendix A: Discussion of low-frequency geophysical methods

Note: CONTENTS Abstract Preface Nomenclature Introduction Description of test site Test results Method of analysis Results of analysis Change in resilient deflection due to thawing, A Recovery time after onset of thawing, t20 Discussion of results Change in resilient deflection due to thawing, A. Recovery time after thawing, t20 Conclusions Literature cited ILLUSTRATIONS Figure Pavement deflection and frost penetration vs time Data points and regression line for A and t2 0 versus F Data points and regression line for A and t2 0 versus W Data points and regression line for A and t2 0 versus I Data points and regression line for A and t20 versus N Data points and regression line for A and t20 versus D Data points and regression line for t20 versus A Permeability vs void ratio for the Toledo Penn 7 material TABLES Properties of test sections Test results from Scrivner et al Results of regression analysis

Note: CONTENTS Abstract Preface Abbreviations Conversion factors Summary Introduction Background Site characterization Climate Purpose Materials and methods General Moose Creek Dam site Tanana Levee site Sampling and measurement Abiotic controls on vegetation Meteorological data Soil moisture as a limiting factor Soil chemical analysis Vegetation growth and survival Moose Creek Dam site Tanana Levee site Biomass by species Roof penetration Seedling density of invading woody species Weeds Supplemental observations Sediment loss Sludge and runoff-water composition Cost analysis Conclusions Literature cited Appendix A: 1977 grass growth on 1977 dam treatments Appendix B: 1978 grass growth on 1977 dam treatments Appendix C: 1979 grass growth on 1977 dam treatments Appendix D: Grass growth on 1978 dam treatments Appendix E: 1977, 1978, and 1979 survival of willow treatments Appendix F: Grass growth on Tanana levee treatments Appendix C: Chemical analysis of sludge and runoff water

Note: Contents: Continuous Path Processes ; Continuous-Path Random Processes: Mathematical Prerequisites ; Basic Concepts and Examples in Finance ; Hitting Times: A Mix of Mathematics and Finance ; Complements on Brownian Motion ; Complements on Continuous Path Processes ; A Special Family of Diffusions: Bessel Processes ; Jump Processes ; Default Risk: An Enlargement of Filtration Approach ; Poisson Processes and Ruin Theory ; General Processes: Mathematical Facts ; Mixed Processes ; Lévy Processes

Note: CONTENTS I. Introduction II. Instrumentation Recording of data III. Results Global radiation Albedo of snow Diffuse sky radiation Effect of clouds on radiation Atmospheric and terrestrial radiation Effect of low sun angle on measured radiation Global radiation gradient Atmospheric transmission coefficient Heat balance of snow cover Applied use of solar energy References. Appendix

Note: CONTENTS Preface Summary Introduction Apparatus Specimens Experimental procedures and results Analysis of the data Discussion References

Note: CONTENTS Preface Summary Introduction Definition of whiteout Scope of this study Instrumentation and observations Location of project: Fog particle measurements Atmospheric humidity measurements Visibility measurements Air temperature measurements Radiation measurements Atmospheric nuclei Observations of fog whiteout Conditions prior to onset of whiteout Conditions at time of arrival and during whiteout Micro-structure of fog whiteout Analysis of moisture balance during two selected cases Synoptic situation for case 1 Synoptic situation for case 2 Computations Attempts at fog whiteout dispersal References Appendix A - Freezing nuclei observations Appendix B - Absolute humidity gradient data

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 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

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 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

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

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