ALBERT

Note: Contents Acknowledgements Executive Summary with Key Findings and Recommendations Current State of the Art Key Scientific Challenges and Recommendations Major New Synthesis Initiative Required Implementation of Arctic-CHAMP Policy Implications Summary 1. Introduction Rationale for Pan-Arctic Hydrologic Synthesis Report Framework 2. A Strategy for Detecting and Understanding Arctic Hydrological Change: Arctic-CHAMP Arctic-CHAMP Basic Long-Term Monitoring Arctic-CHAMP Field-Based Process Studies Arctic-CHAMP Synthesis Modeling Execution of Arctic-CHAMP 3. Role and Importance of Water in the Arctic System The Integrated Water Cycle of the Pan-Arctic Land Atmosphere Ocean Importance of Arctic Hydrology to the Arctic System Importance of the Arctic to the Earth System 4. Unprecedented Change to Arctic Hydrological Systems Changes to the Land-Based Hydrologic Cycle Changes to the Atmosphere The Changing Arctic Ocean and its Regional Seas 5. Impacts and Feedbacks Associated with Arctic Hydrological Change Direct Impacts on Ecosystems Arctic Water Cycle Change and Humans Land-Atmosphere-Ocean Feedbacks Land-Atmosphere-Ocean-Human Feedbacks 6. Implementation of Arctic-CHAMP References Appendix 1. NSF-ARCSS Arctic Hydrology Workshop Participants Appendix 2. Current Gaps in Understanding the Pan-Arctic Hydrological Cycle Appendix 3. Integration of Arctic-CHAMP with NSF and Other Federal Agency Initiatives Appendix 4. International Collaborations

Note: Contents: Contributors. - Preface. - Introduction and Scientific Background / J.C.R. Hunt, J. Norbury and I. Roulstone. - 1. A view of the equations of meteorological dynamics and various approximations / A. A. White. - 2. Extended-geostrophic Euler-Poincare models for mesoscale oceanographic flow / J. S. Allen, D. D. Holm and P. A. Newberger. - 3. Fast singular oscillating limits of stably-stratified 3D Euler and Navier-Stokes equations and ageostrophic wave fronts / A. Babin, A. Mahalov and B. Nicolaenko. - 4. New mathematical developments in atmosphere and ocean dynamics, and their application to computer simulations / M. J. P. Cullen. - 5. Rearrangements of functions with applications to meteorology and ideal fluid flow / R. J. Douglas. - 6. Statistical methods in atmospheric dynamics: probability metrics and discrepancy measures as a means of defining balance / S. Baigent and J. Norbury.

Note: Contents Prologue Acknowledgments List of Symbols PART I Foundations 1 INTRODUCTION: The Basic Challenge 1.1 The Climate System 1.2 Some Basic Observations 1.3 External Forcing 1.3.1 Astronomical Forcing 1.3.2 Tectonic Forcing 1.4 The Ice-Age Problem 2 TECHNIQUES FOR CLIMATE RECONSTRUCTION 2.1 Historical Methods 2.1.1 Direct Quantitative Measurements 2.1.2 Descriptive Accounts of General Environmental Conditions 2.2 Surficial Biogeologic Proxy Evidence 2.2.1 Annually Layered Life Forms 2.2.2 Surface Geomorphic Evidence 2.3 Conventional Nonisotopic Stratigraphic Analyses of Sedimentary Rock and Ice 2.3.1 Physical Indicators 2.3.2 Paleobiological Indicators (Fossil Faunal Types and Abundances) 2.4 Isotopic Methods 2.4.1 Oxygen Isotopes 2.4.2 Deuterium and Beryllium in Ice Cores 2.4.3 Stable Carbon Isotopes 2.4.4 Strontium and Osmium Isotopes 2.5 Nonisotopic Geochemical Methods 2.5.1 Cadmium Analysis 2.5.2 Greenhouse Gas Analysis of Trapped Air in Ice Cores 2.5.3 Chemical and Biological Constituents and Dust Layers in Ice Cores 2.6 Dating the Proxy Evidence (Geochronometry) 3 A SURVEY OF GLOBAL PALEOCLIMATIC VARIATIONS 3.1 The Phanerozoic Eon (Past 600 My) 3.2 The Cenozoic Era (Past 65 My) 3.3 The Plio-Pleistocene (Past 5 My) 3.4 Variations during the Last Ice Age: IRD Events 3.5 The Last Glacial Maximum (20 ka) 3.6 Postglacial Changes: The Past 20 ky 3.7 The Past 100 Years 3.8 The Generalized Spectrum of Climatic Variance 3.9 A Qualitative Discussion of Causes 4 GENERAL THEORETICAL CONSIDERATIONS 4.1 The Fundamental Equations 4.2 Time Averaging and Stochastic Forcing 4.3 Response Times and Equilibrium 4.4 Spatial Averaging 4.5 Climatic-Mean Mass and Energy Balance Equations 4.5.1 The Water Mass Balance 4.5.2 Energy Balance 5 SPECIAL THEORETICAL CONSIDERATIONS FOR PALEOCLIMATE: Structuring a Dynamical Approach 5.1 A Basic Problem: Noncalculable Levels of Energy and Mass Flow 5.2 An Overall Strategy 5.3 Notational Simplifications for Resolving Total Climate Variability 5.4 A Structured Dynamical Approach 5.5 The External Forcing Function, F 5.5.1 Astronomical/Cosmic Forcing 5.5.2 Tectonic Forcing 6 BASIC CONCEPTS OF DYNAMICAL SYSTEMS ANALYSIS: Prototypical Climatic Applications 6.1 Local (or Internal) Stability 6.2 The Generic Cubic Nonlinearity 6.3 Structural (or External) Stability: Elements of Bifurcation Theory 6.4 Multivariable Systems 6.4.1 The Two-Variable Phase Plane 6.5 A Prototype Two-Variable Model 6.5.1 Sensitivity of Equilibria to Changes in Parameters: Prediction of the Second Kind 6.5.2 Structural Stability 6.6 The Prototype Two-Variable System as a Stochastic-Dynamical System: Effects of Random Forcing 6.6.1 The Stochastic Amplitude 6.6.2 Structural Stochastic Stability 6.7 More Than Two-Variable Systems: Deterministic Chaos PART II Physics of the Separate Domains 7 MODELING THE ATMOSPHERE AND SURFACE STATE AS FAST-RESPONSE COMPONENTS 7.1 The General Circulation Model 7.2 Lower Resolution Models: Statistical-Dynamical Models and the Energy Balance Model 7.2.1 A Zonal-Average SDM 7.2.2 Axially Asymmetric SDMs 7.2.3 The Complete Time-Average State 7.3 Thermodynamic Models 7.3.1 Radiative-Convective Models 7.3.2 Vertically Averaged Models (the EBM) 7.4 The Basic Energy Balance Model 7.5 Equilibria and Dynamical Properties of the Zero-Dimensional (Global Average) EBM 7.6 Stochastic Resonance 7.7 The One-Dimensional (Latitude-Dependent) EBM 7.8 Transitivity Properties of the Atmospheric and Surface Climatic State: Inferences from a GCM 7.9 Closure Relationships Based on GCM Sensitivity Experiments 7.9.1 Surface Temperature Sensitivity 7.10 Formal Feedback Analysis of the Fast-Response Equilibrium State 7.11 Paleoclimatic Simulations 8 THE SLOW-RESPONSE "CONTROL" VARIABLES: An Overview 8.1 The Ice Sheets 8.1.1 Key Variables 8.1.2 Observations 8.2 Greenhouse Gases: Carbon Dioxide 8.3 The Thermohaline Ocean State 8.4 A Three-Dimensional Phase-Space Trajectory 9 GLOBAL DYNAMICS OF THE ICE SHEETS 9.1 Basic Equations and Boundary Conditions 9.2 A Scale Analysis 9.3 The Vertically Integrated Ice-Sheet Model 9.4 The Surface Mass Balance 9.5 Basal Temperature and Melting 9.6 Deformable Basal Regolith 9.7 Ice Streams and Ice Shelves 9.8 Bedrock Depression 9.9 Sea Level Change and the Ice Sheets: The Depression-Calving Hypothesis 9.10 Paleoclimatic Applications of the Vertically Integrated Model 9.11 A Global Dynamical Equation for Ice Mass 10 DYNAMICS OF ATMOSPHERIC CO2 10.1 The Air-Sea Flux, Q↑ 10.1.1 Qualitative Analysis of the Factors Affecting Q↑ 10.1.2 Mathematical Formulation of the Ocean Carbon Balance 10.1.3 A Parameterization for Q↑ 10.2 Terrestrial Organic Carbon Exchange, W↑G 10.2.1 Sea Level Change Effects 10.2.2 Thermal Effects 10.2.3 Ice Cover Effects 10.2.4 Long-Term Terrestrial Organic Burial, W↓G 10.2.5 The Global Mass Balance of Organic Carbon 10.3 Outgassing Processes, V↑ 10.4 Rock Weathering Downdraw, W↓ 10.5 A Global Dynamical Equation for Atmospheric CO2 10.6 Modeling the Tectonically Forced CO2 Variations, µˆ : Long-Term Rock Processes 10.6.1 The Long-Term Oceanic Carbon Balance 10.6.2 The GEOCARB Model 10.7 Overview of the Full Global Carbon Cycle 11 SIMPLIFIED DYNAMICS OF THE THERMOHALINE OCEAN STATE 11.1 General Equations 11.1.1 Boundary Conditions 11.2 A Prototype Four-Box Ocean Model 11.3 The Wind-Driven, Local-Convective, and Baroclinic Eddy Circulations 11.3.1 The Wind-Driven Circulation: Gyres and Upwelling 11.3.2 Local Convective Overturnings and Baroclinic Eddy Circulations 11.4 The Two-Box Thermohaline Circulation Model: Possible Bimodality of the Ocean State 11.4.1 The Two-Box System 11.4.2 A Simple Model of the TH Circulation 11.4.3 Meridional Fluxes 11.4.4 Dynamical Analysis of the Two-Box Model 11.5 Integral Equations for the Deep Ocean State 11.5.1 The Deep Ocean Temperature 11.5.2 The Deep Ocean Salinity 11.6 Global Dynamical Equations for the Thermohaline State: θ and Sφ PART III Unified Dynamical Theory 12 THE COUPLED FAST- AND SLOW-RESPONSE VARIABLES AS A GLOBAL DYNAMICAL SYSTEM: Outline of a Theory of Paleoclimatic Variation 12.1 The Unified Model: A Paleoclimate Dynamics Model 12.2 Feedback-Loop Representation 12.3 Elimination of the Fast-Response Variables: The Center Manifold 12.4 Sources of Instability: The Dissipative Rate Constants 12.5 Formal Separation into Tectonic Equilibrium and Departure Equations 13 FORCED EVOLUTION OF THE TECTONIC-MEAN CLIMATIC STATE 13.1 Effects of Changing Solar Luminosity and Rotation Rate 13.1.1 Solar Luminosity (S) 13.1.2 Rotation Rate (Ω) 13.2 General Effects of Changing Land-Ocean Distribution and Topography (h) 13.3 Effects of Long-Term Variations of Volcanic and Cosmic Dust and Bolides 13.4 Multimillion-Year Evolution of CO2 13.4.1 The GEOCARB Solution 13.4.2 First-Order Response of Global Ice Mass and Deep Ocean Temperature to Tectonic CO2 Variations 13.5 Possible Role of Salinity-Driven Instability of the Tectonic-Mean State 13.6 Snapshot Atmospheric and Surficial Equilibrium Responses to Prescribed y-Fields Using GCMs 14 THE LATE CENOZOIC ICE-AGE DEPARTURES: An Overview of Previous Ideas and Models 14.1 General Review: Forced vs. Free Models 14.1.1 Models in Which Earth-Orbital Forcing Is Necessary 14.1.2 Instability-Driven (Auto-oscillatory) Models 14.1.3 Hierarchical Classification in Terms of Increasing Physical Complexity 14.2 Forced Ice-Line Models (Box 1, Fig. 14-1) 14.3 Ice-Sheet Inertia Models 14.3.1 The Simplest Forms (Box 2) 14.3.2 More Physically Based Ice-Sheet Models: First Applications 14.3.3 Direct Bedrock Effects (Box 3) 14.3.4 Bedrock-Calving Effects (Box 4) 14.3.5 Basal Meltwater and Sliding (Box 5) 14.3.6 Ice Streams and Ice Shelf Effects 14.3.7 Continental Ice-Sheet Movement (Box 6) 14.3.8 Three-Dimensional (λ, φ, hI) Ice-Sheet Models 14.4 The Need for Enhancement of the Coupled Ice-Sheet/Atmospheric Climate Models 14.5 Ice-Sheet Variables Coupled with Additional Slow-Response Variables 14.5.1 Regolith Mass, mr (Box 7) 14.5.2 The Deep Ocean Te

Note: Contents: Foreword. - Preface. - Summary for Policymakers. - Technical Summary. - 1 The Climate System: an Overview. - 2 Observed Climate Variability and Change. - 3 The Carbon Cycle and Atmospheric Carbon Dioxide. - 4 Atmospheric Chemistry and Greenhouse Gases. - 5 Aerosols, their Direct and Indirect Effects. - 6 Radiative Forcing of Climate Change. - 7 Physical Climate Processes and Feedbacks. - 8 Model Evaluation. - 9 Projections of Future Climate Change. - 10 Regional Climate Information - Evaluation and Projections. - 11 Changes in Sea Level. - 12 Detection of Climate Change and Attribution of Causes. - 13 Climate Scenario Development. - 14 Advancing Our Understanding. - Appendix I Glossary. - Appendix II SRES Tables. - Appendix Ill Contributors to the IPCC WGI Third Assessment Report. - Appendix IV Reviewers of the IPCC WGI Third Assessment Report. - Appendix V Acronyms and Abbreviations. - Appendix VI Units. - Appendix VII Some Chemical Symbols used in this Report. - Appendix VIII Index.

Note: Contents: Membership of the National Committee on Antarctic Research in the Federal Republic of Germany. - Introduction. - Stations. - I. Record of Activities (past and ongoing), April 81-October 82. - II. Planned Activities, October 82-October 83. - References.

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: Membership of the National Committee on Antarctic Research of the Federal Republic of Germany. - Introduction. - Station. - Antarctic Research Activities 1979-1980. - Planned Research Activities 1980-1981. - References.

Note: CONTENTS Abstract Preface Summary Introduction Methodology Geologic setting Camp construction and occupation Types of disturbance Degradational processes and the effective area of impact Areal effects of disturbance Topography Groundwater, surface water and drainage Sediment properties and near-surface stratigraphy Surficial processes Depth of thaw Comparison to Fish Creek Discussion and conclusions Literature cited

Note: CONTENTS Abstract Preface List of symbols Introduction Objectives Background Problems in describing the response of snow to an applied stress Methods of determining the dynamic behavior of materials Review of previous studies on snow Experimental measurements on snow Summary of snow experiments Theoretical studies Confirmation of the theory Discussion Applications Recommendations Summary Literature cited Appendix A. Selected data from Wisotski and Snyder (1966) Appendix B. Pressure data from Livingston (1964)

Note: CONTENTS Abstract Preface Introduction Background Development of testing technique Test specimens Tensile testing Compression testing Experimental results Tensile tests Compression tests Discussion Conclusions Suggestions for further work Literature cited Appendix A: Additional information on seed grains Appendix B: Thin-sectioning procedure Appendix C: Displacement transducer calibration

Note: CONTENTS Abstract Preface Nomenclature Conversion of metric units Introduction Review of existing models Accumulation models Ablation models Using existing models for studying mobility Proposed snowpack model for mobility studies Model components Implementation of the model Developing input data Conclusions Literature cited

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 Metric conversion table Introduction Data base Conversion factor Ground load effects Exposure effects Thermal effects Slope effects Expected value relationship Comparison with existing codes and standards Comparison with relationships proposed in new ANSI standard Summary and conclusions Literature cited Appendix A. Roof snow load case history reports Appendix B. Roofs in the snow load case study data base Appendix C. Ground and roof snow load data Appendix D. Conversion factors from the 1982 ANSI standard

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 Problem formulation Analytical treatment Application to the upper St. Lawrence River Summary Literature cited Appendix A: Basic program for St. Lawrence River freeze-up forecast

Note: CONTENTS Abstract Preface Nomenclature Introduction Physical diffusion and dispersion in open channel flow Modeling approach Description of the diffusion wave flow routing model Analysis of the numerical model Modified equation and Hirt analyses of diffusion wave model von Neumann analysis of the diffusion wave model Linear case studies Accuracy considerations of the numerical solution Field studies Apalachia Dam tailwater Norris Dam tailwater Conclusions Literature cited

Note: Contents of Part 2 Hecht, K. Gerber, R. Otto: Studies on the drying of paints by means of 14C-labelled compounds K. Wagner, F. Brutschin, I. Ritter, T. Gritsch, H. Zimmermann, H. Borchert: Investigations by the aid of radioisotope methods on the technology of the production of carbon and silicon carbide materials K. Gloe, P. Mühl: Determination of metal extraction process parameters using tracer technique W. Migdał, W. Łada, K. Malec-Czechowska: Studies on liquid-liquid extraction of noble metals using radiotracers L. Petryka, K. Przewłocki: Radiotracer investigations of benefication copper ore in the industrial flotation process Z. Bazaniak, J. Palige: Determination of Cu recovery degree from slags in shaft process by means of radiotracers R. Burek, J .K. Zurawicz: On the optimization of concentration measurements in heterogeneous materials based on β-backscatter measurements B. Heinrich: Analysis of carbon content in crude brown coal by inelastic scattering of neutrons and the method of time correlated associated particles P. Urbańaki, D. Wagner, M. Jankowska, E. Kowalska: Determination of calcium and iron and measurements of ash content in the brown coal H.-W. Thümmel: Some considerations relating to the prediction of the efficiency of radiometric methods for the continuous ash content determination of coal L. Wawrzonek: Monitor of ash content of coal with X-ray source I. Pavlicsek, V. Stenger, A. Veres: Apparatus for gamma activation analysis I. Végvári, I. Juhász: Determination of PbO content of lead-glass samples on the ground of gamma-absorption E. Schöntube, H.-J. Große: Aerosol ionization gas analysis as a monitoring for waste halothane in the atmosphere of operating theatre S. Mothes, P. Popp, G. Oppermann, W.-D. Herberg: Measurement of fluorocarbons with the ECD P. Popp, E. Schöntube, G. Oppermann: The usability of radiation ionization detectors for the determination of N2O concentrations in the air of operating theatres P. Popp, G. Arnold, G. Oppermann: A hydrocarbon-sensitized argon ionization detector for the detection of inorganic compounds R. Szepke, W. Lisieski, J. Harasimczuk: Automatic dust monitor AMIZ G. Vormum: Sealed sources - problems of design, measurement and quality control L. Gąsiorowski: New trends in developments of ratioisotope gauges in Poland G. Brunner: Direct chemical information from special radio tracers as well as from outer X-ray excitation J. Hirling: Experience and future trend in industrial application of nuclear methods in Hungary I. N. Ivanov, O. K. Nikolaenko, Yu. V. Phecktistov, V. L. Chulkin: Use of short-lived nuclides in activation analysis Kl.-P. Rudolph, J. Flachowsky, A. Lange: Trace element determination in semiconducter selenium by neutron activation analysis (NAA) W. Lisieski, J. Mirowicz: Some industrial applications of instruments with neutron sources R. Dybczyński, H. Maleszewaka, S. Sterliński, Z. Szopa, M. Wasek: Some problems in neutron activation determination of gold and silver in ores and concentrates of copper industry L. Jankowski: Cost-benefit aspects of radioisotope application in industry B. Manouchev, T. Boschkova, L. Tsankov, V. Gurev, I. Kojucharov, G. Grozev: On the possibilities of the direct gamma-spectremetry in natural waters P. Morgenstern, D. Müller, W. Riedel: A parallel grid proportional scintillation counter for the X-ray region from 3 to 20 keV with regard to high count rates N. A. Anders, V. S. Isaev, V. I. Filatov, B. E. Kolesnikov, D. Müller, P. Morgenstern, W. Riedel, V. P. Varvaritsa: X-ray fluroescence analyzer of light elements with proportional scintillation counter D. Müller, P. Morgenstern, W. Riedel, W. Warwariza, B. E. Kolesnikow, N. A. Anders, W. J. Filatov: General considerations concerning the use of the X-ray analyzer "RALE" in industry

Note: Contents of Part 3 P. Popp, J. Leonhardt: Characterization of coulometric and hypercoulometric ECD mode of operation D. Hinneburg, H.-J. Grosse, J. Leonhardt, P. Popp: Calculation of current-voltage characteristics of electron-capture detectors A.G. Rozno, V.V. Gromov: Study of volume electric charge in radioactive dielectrics by the method of "acoustic sounding" Iv. N. Pandev, M.G. Christova, St.D. Stefanov, N.V. Gentchev, St.T. Bakardjiev, D.T. Genov, Ch.D. Christov: Portable gamma-irradiator - modified model P. Hargittai, V. Stenger: Planning of dose-rate distribution of radiation fields by computer M. Remer: DOSKMF2 - A contribution to the computer-aided design of dose rate distributions A. Heger, H. Dorschner, W. Schumann, D. Pleul: Characterization of the radiation field and control of the optimal electron beam accelerator operation for industrial processes V. Prenerov, K. Shivarov, P. Ivanov: Programme for radiation protection by using portable defectoscopes in industrial building T. Geßner, K. Irmer: Nuclear radiation detectors using high resistivity neutron transmutation doped silicon H.-G. Könnecke, D. Luther: The influence of airing systems on the residence time in biological clarification plants J. Dermietzel, C. Wienhold, H. Grundmann, A. Staschok, J. Koch, E. Bordes: Tracer studies on carbon monoxide and carbon dioxide formation in liquid phase oxidation of p-xylene W. Smułek: Use of technical mixtures of carboxylic acids to the extraction of silver H. Förster: Determination of oxide film thickness on aluminium using 14-MeV neutron activation and BET method H. Jaskólska, L. Waliś, C. Janusz: Investigations of the monocrystallization process of neodymium doped YAG using radiotracers H. Wagler: Substoichiometric determination of Pd-II-traces with dithizone and problems of determination P. Tábor, L. Molnár, D. Nagymihá!yi: Radioisotope gauge for automatic control of cottonwool package H.-W. Thummel, G. Körner, D. Fritzsche: Compensation for thickness variations in determining the bulk material composition on conveyor belts using combined scatter-transmission and thickness measuring methods D. Fritzsche, W. Dolak: Radiometric determination of ash content of raw lignites M. Braune: A simplified mathematical model for scattered transmission of X-rays in raw brown coal P. S. Kamenov, E. I. Vapirev, S. I. Ormandjiev: A new type of nuclear weighing device for transporter belts W. Smulek, M. Borkowski: Separation of reduced molybdenum from fission products. The Mo - HN03 - HDEHP system J. Komosiński, M. Radwan: Selected problems of radioisotope technique for wear investigation of precise elements Dr. A. Várkonyi: The thin layer activation for industry G. Hartmann, P. Kulicke: Wear testing in power stations J. Kraś, Z. Banasik: The radioisotopes in wear investigation of combustion engines H.-D. Grohmann: Short-time measurements of wear on surface activated rails G.M. Ter-Akopian, E.A. Sokol, Fam Ngok Chyong, M.P. Ivanov, L.P. Chelnokov, V.I. Smirnov, V.A. Gorshkov: Neutron multiplicity detector for the study of rare nuclear decay events L. Gąsiorowski, P. Mroziński, K. Sobkowicz, F. Zrudelny: Implementation of Intel 8080 - based microcomputer system in the radioisotope measurements control instrumentation W. Birkholz, M. Steinert: Evaluation of autoradiograms using a microcomputer F. Myšák, M. Krejči, J. Hakl, E. Smrkovský: Study of boron diffusion in high temperature Ni-base alloys by means of solid state track detectors W. Birkholz, H.-Ch. Treutler, K. Freyer, M. Geisler, J. Dubnack: Autoradiography of gallium in silicon H.C. Treutler, K. Freyer: On quantitative autoradiography of semiconductor basic material A.S. Shtan': Radiation evaluation techniques and facilities used for quality assurance of fuel elements and fuel assemblies for nuclear power plants D. Babić, A. Šafranj, V. Marković: Radiation degradation of poly-propylene-molecular weight and melt viscosity change A. Ciszek: Modern irradiation processes equipment-accelerators and their applications G. Kummer: Identification of signals by means of the decision theory N.S. Batchvarov, I.D. Vankov, L.P. Dimitrov, Ch.D. Shukov, P.A. Pavlov: Betareflektometer SR-77

Note: CONTENTS Abstract Preface Introduction Forest systems design Pretreatment Distribution systems Public health considerations Buffer zone requirements Toxic effects Public access Hydraulic loading Nutrient uptake and loading Introduction Nitrogen Phosphorus Trace metals Design considerations Hydraulic loading rates Nitrogen loading rates Forest management options Reforestation Existing forest ecosystems Short term rotation plantations Potential long term effects on forest ecosystems Longevity of forest systems Consequences of overloading Soil chemical, physical and hydrologic properties Productivity Summary Literature cited

Note: CONTENTS Abstract Preface Introduction Objectives Background Approach Influencing factors Field factors Laboratory Laboratory trafficking tests Force measurement and coefficient of friction Test tire slip Surface friction gauge Test procedure British portable tester Experimental results Conclusions Recommendations Literature cited Appendix A. Test pavements Appendix B. Pennsylvania State University field study Appendix C. Rochester Institute of Technology field study

Note: CONTENTS Abstract Preface Introduction Refraction experiments Procedure Equipment Results P waves Low velocity zone SH waves Surface wave experiments Summary and discussion Literature cited Appendix A: P wave refraction data Appendix B: SH wave refraction data. Appendix C: Surface wave dispersion calculations

Note: CONTENTS Abstract Preface Introduction Model description and application Results and discussion Wind and current fields Standard simulation Thermodynamic simulation Zero ice strength Zero ice import Zero currents Modified currents Zero winds Dynamics simulation Summary and concluding remarks Literature cite

Note: CONTENTS Abstract Preface Introduction Previous investigations Approach Shoreline conditions Bank changes Bank recession before winter navigation St. Marys River Bank changes Bank recession before winter navigation St. Clair River Bank changes Bank recession before winter navigation Detroit River Bank changes Bank recession before winter navigation St. Lawrence River Bank changes Historical bank recession Summary and conclusions Literature cited Appendix A: St. Marys River Appendix B: St. Clair River Appendix C: Detroit River Appendix D: St. Lawrence River

Note: CONTENTS Abstract Preface Introduction Theoretical development of dielectric relaxation due to charged dislocations Numerical calculations for distributed segment length Discussion Conclusions Literature cited Appendix A. Mosotti type catastrophe by charged dislocation processes

Note: CONTENTS Abstract Preface Nomenclature Introduction Analysis of methods for calculating thermal conductivity Introduction Influence of moisture content on thermal conductivity Influence of dry density on thermal conductivity Influence of soil solids’ thermal conductivity Comparison of the various methods Evaluation of methods for calculating thermal conductivity Soils data used for evaluation Computer program Applicability of the methods Discussion and conclusions Applicability to unfrozen soils Applicability to frozen soils Applicability to saturated soils Effect of soil mineral composition Applicability to dry soils Summary of applicability of methods Literature cited Appendix A: Properties of some test soils Appendix B: Comparison of thermal conductivity values computed by the various methods and of their deviations from the values measured

Note: CONTENTS Abstract Preface List of symbols Introduction Theoretical models Case 1 Case 2 Case 3 Experimental program Experimental facility Scaling factors Experimental results Analysis of wind data for lower Lake Huron Summary and conclusions Release of ice through the opening of an ICS Ice forces on the ice control structure Ice forces on ice control structure from a large unconsolidated ice cover Literature cited Appendix A. Equation for the stress resultants and velocities of the ice cover Appendix B. Monthly summary of wind data at Port Huron

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 Summary Introduction Chapter 1. The road and its environment Introduction General physiography Regional climate Surficial and bedrock geology Permafrost and ground ice General biota Vegetation Floristic survey Vegetation mapping Soils and mapping Chapter 2. Roadbed performance and associated investigations Roadbed investigations Roadbed performance Performance of drainage features Performance of sideslopes Conclusions from road, drainage and sideslope performance studies Fuel gas line construction Chapter 3. Distribution and properties of road dust along the northern portion of the Haul Road Introduction Methods Results of wind direction and velocity measurements Dust load and distribution Particle size analyses of dust Chemical composition properties of dust and related samples Soil cation composition Dust impacts on vegetation Discussion and conclusions Chapter 4. Revegetation and restoration investigations Introduction Revegetation approaches Alyeska erosion control and revegetation program Weeds and weedy plants Performance of revegetation Alyeska willow cutting program CRREL restoration experiments Conclusions Revegetation recommendations General report recommendations Literature cited Appendix A: General environmental guidelines applicable to subarctic and arctic road construction Appendix B: University-based studies along the Yukon River-Prudhoe Bay Haul Road Appendix C: CRREL maps of Haul Road showing locations of all study Sites Appendix D: Additional Haul Road cross-sectional profiles Appendix E: Clay mineralogy of road-related materials Appendix F: List of reports in the Joint State/Federal Fish and Wildlife Ad­visory Team series

Note: CONTENTS Introduction Literature review Objectives Materials and methods Results Observations Distribution and environmental tolerances Discussion Morphology Distribution Habitat Summary Conclusions Recommendations for future work Literature cited Appendix A Type descriptions of Acanthoecidae collected from the Weddell Sea

Note: CONTENTS Abstract Preface Introduction History of snow and ice roads Classification of snow and ice roads Snow pads used by Alyeska during the winter of 1975-1976 The Globe Creek snow pad The Toolik snow pad The gasline snow pad Summary and conclusions Literature cited

Note: CONTENTS Abstract Preface Conversion factors Introduction Field measurement and analysis of transient heat flow A closer look at handling the constraints Random change Step change Ramp change Application of theory Literature cited Appendix A. Percentage error from a step input Appendix B. Time constraints of sample walls Appendix C. Percentage error from a ramp input Appendix D. Percentage error from a sinusoidal input Appendix E. Percentage error programs for a Hewlett-Packard HP-25 calculator Appendix F. Experimental determination of time constants Appendix G. Derivation of time constant formula for multiple layers

Note: Contents Abstract Preface lntroduction Experimental Sample preparation Testing procedure Results General features Commercial Ice Notched commercial ice Sanded commercial ice Pure ice Single crystal ice Snow-ice Colloidal alumina-dispersed ice Colloidal silica.dispersed ice NH4F doped ice HF doped ice Discussion Literature cited

Note: CONTENTS Abstract Preface List of symbols Introduction Anisotropy and sea ice macrostructure Anisotropy and sea ice microstructure A theory of anisotropic radar return from sea ice Anisotropic electric flux penetration into brine layers Implications of normal exclusion, tangential penetration, and brine layer geometry for dielectric behavior of sea ice Modeling of electromagnetic reflection from a stratified, anisotropic, inhomogeneous lossy medium Calculation of mixture complex dielectric constants Calculation of interfacial power reflection coefficients Calculation of bulk power reflection coefficients Calculation of attenuated power reflection coefficients Beam spread Results Anisotropic bottom reflections Anisotropic complex dielectric constants Sensitivity of parameters Internal reflection: the bumps Discussion Conclusions Literature cited

Note: CONTENTS Abstract Preface Introduction Data sources and literature review Canada Alaska Data tabulation Station selection Description of tabulated data Station location and ice measurement site descriptions Review of previous studies on maximum ice in North America Maximum ice thickness maps Date of maximum ice Plotting of the ice decay curves General procedures Categories of water bodies Ice decay at sea ice locations Envelope curves Average curves Snow-ice formation Ice decay at lake ice locations Average curves Regional variations and similarities Ice decay at river ice locations Variations in ice thickness Rapid ice clearance Comparison between Alaskan and Canadian river ice decay curves Incremental extraction of ice decay data for analysis purposes Selection of ice decay intervals Preliminary evaluation of the methodology Further considerations of the methodology Relationships between ice decay and thawing air temperatures Average daily vs maximum daily air temperature 10-day increments vs accumulated values Total years vs year-to-year analysis Evaluation of use of 0°C as a base Final format of the relationship between ice decay and ATDD Evaluation of the final form Possible causes for variations in slope values Decreasing sea ice thickness and thawing air temperatures Factors affecting sea ice decay Relationship between ATDD and sea ice decay Influence of solar radiation and wind on sea ice decay Literature cited Selected bibliography Appendix A. Ice thickness measurements and other related (or associated) observations for stations in Canada and Alaska Appendix B. Maps of least and greatest ice thickness observed at the time of maximum growth, and average date of occurrence Appendix C. Annual ice decay curves for stations in Canada and Alaska

Note: CONTENTS Abstract Preface 1. Types of ice accretion a. Frost b. Rime c. Glaze d. Spray ice 2. Conditions governing type of accreted ice a. Meteorological b. Structural 3. Accretion rates a. Fundamentals b. Effect of height c. Geographical distribution 4. Spray icing 5. Structural design factors a. Dead loads b. Wind field in the boundary layer c. Windloads 6. Techniques for minimizing structural icing 7. Data collection needs 8. Literature cited

Note: CONTENTS Abstract Preface Metric conversion factors Summary Introduction Description of shelter Test procedures and results Mobility Ease of erecting and striking Therinal efficiency and performance Heat output Electrical system Habitation Safety features Water system Shelter reliability Structure Performance of other shelters Conclusions Future studies Literature cited

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 Introduction The western Arctic of North America The continental shelf of Newfoundland and Labrador Burial depth for pipes and cables Degree of protection offered by burial Environmental impact Trenching the beach and the shallows in the western Arctic Trenching beyond the shallows Suction, or hydraulic, dredging Bottom-t raveling cutterhead dredges Plows Rippers Water jets Subsea disc saws and wheel ditchers Subsea ladder trenchers and chain saws Subsea routers and slot millers Bucket ladder trenchers Vibratory and percussive devices Hard rock excavation under water Control and monitoring of subsea machines Vessels and vehicles Trenching from the sea ice Costs of subsea trenching Reference Appendix: Description of waters off Alaska and Newfoundland

Note: CONTENTS Abstract Preface Introduction Meteorological data retrieval and measurements Meteorological effects on river ice cover Winter 1975-76 Winter 1976-77 Winter 1977-78 Analysis of ice formation and decay Mechanism of ice formation Ice growth and decay on the Ottauquechee River, 1975-76, 1976-77, 1977-78 Influence of warm sewage effluent on river water temperatures and ice conditions Conclusions Literature cited Appendix A: Climatological observations Appendix B: Ice conditions, field remarks and pertinent photography

Note: CONTENTS Abstract Preface Introduction Methods of analysis Marine seismic records Seismic sub-bottom profiles Results and discussion Distribution of hyperbolic reflections Hyperbolas on oil exploration records Hyperbolas on sub-bottom profiles Conclusions Literature cited Appendix A: Hyperbola projector

Note: CONTENTS Abstract Preface Introduction Measurement technique Pipeline movement Vertical support member tilt Relative elevations of pipe support crossbeams Results and discussion Pipeline movement Vertical support member tilt Relative elevations Summary Literature cited Appendix A. Lateral, longitudinal and horizontal pipe movement Appendix Β. Tabulation of movement measurements

Note: CONTENTS Abstract Preface Introduction Test setup Test results The USCGC Mackinaw The Roger Slough The Cason J. Callaway The imperial St. Clair Vibration levels Discussion Frequency content Magnitude Mode of transmission Opening the channel Flexural waves Duration and occurrence of maximum vibrations Effect of weather Conclusions and recommendations Literature cited

Note: CONTENTS Abstract Preface Notation Introduction Experimental procedure and considerations Growth of the ice plate Support of the ice plate Acoustic emission monitoring system Displacement transducers and data recording Mechanical loading System Analysis Experimental results Thin section analysis Summary and discussion Literature cited Appendix A : Ice plate linear elastic response Appendix B: Acoustic emission system sensitivity Appendix C: Ice plate linear viscoelastic response Appendix D: Equipment list

Note: Contents List of Acronyms List of Symbols Foreword Preface Prologue Chapter 1 Introduction to Ocean Dynamics 1.1 Types, Advantages, and Limitations of Ocean Models 1.2 Recent Examples 1.3 Governing Equations 1.4 Vorticity Conservation 1.5 Nondimensional Numbers and Scales of Motion 1.6 Geostrophic Flow and Thermal Wind 1.7 Inertial Motions 1.8 Ekman Layers 1.9 Sverdrup Transport 1.10 Western Boundary Intensification (Stommel Solution) 1.11 Gyre Scale Circulation (Munk Solution) 1.12 Barotropic Currents over Topography 1.13 Baroclinic Transport over Topography 1.14 Coastal Upwelling and Fronts 1.15 Mesoscale Eddies and Variability 1.16 Thermohaline Circulation and Box (Reservoir) Models 1.17 Numerical Models Chapter 2 Introduction to Numerical Solutions 2.1 Introduction 2.1.1 Architecture 2.1.2 Computational Errors 2.2 Ordinary Differential Equations 2.2.1 Runge-Kutta Method 2.3 Partial.Differential Equations 2.3.1 Consistency, Convergence, and Stability 2.3.2 Elliptic, Hyperbolic, and Parabolic Systems 2.4 Elliptic Equations and Steady-State Problems 2.4.1 Direct Solvers 2.4.2 Iterative Solvers and Relaxation Methods 2.4.3 Preconditioned Conjugate Gradient Method 2.4.4 Multigrid Methods 2.4.5 Pseudo-transient Method 2.5 Time Dependent Problems 2.5.1 Advection Equation and Hyperbolic Systems 2.5.2 Diffusion Equation and Parabolic Systems 2.6 Finite-Difference (Grid Point) Methods 2.6.1 Staggered Grids 2.6.2 Time Differencing and Filtering 2.6.3 Computational Grids 2.7 Spectral (Spectral Transform) Methods 2.8 Finite-Element Methods 2.8.1 Spectral Element Approach 2.9 Parameterization of Subgrid Scale Processes 2.10 Lateral Open Boundary Conditions 2.11 Computational Issues 2.12 Examples 2.12.1 Inertial Oscillations 2.12.2 Thermohaline Circulation 2.12.3 Normal Modes 2.12.4 Gyre Scale Circulation 2.12.5 Advection Problems 2.12.6 M.I.T. Nonhydrostatic Global Model Chapter 3 Equatorial Dynamics and Reduced Gravity Models Solutions 3.1 Oceanic Dynamical Response to Forcing 3.2 Governing Equations 3.3 Equatorial Waves 3.3.1 Kelvin Waves 3.3.2 Yanai Waves 3.3.3 Rossby Waves 3.3.4 Inertia-Gravity (Poincare) Waves 3.4 Equatorial Currents 3.5 Reduced Gravity Model of Equatorial Processes Chapter 4 Midlatitude Dynamics and Quasi-Geostrophic Models 4.1 Linear Motions 4.1.1 Inertia-Gravity (Sverdrup/Poincare) Waves 4.1.2 Kelvin Waves 298 4.1.3 Planetary Ross by Waves 4.1.4 Topographic Rossby Waves 4.2 Continuous Stratification 4.3 Geostrophic Adjustment and Instabilities 4.3.1 Geostrophic Adjustment 4.3.2 Instabilities 4.4 Spinup 4.5 Quasi-Geostrophic Models 4.5.1 Governing Equations 4.5.2 Applications Chapter 5 High-Latitude Dynamics and Sea-Ice Models 5.1 Salient Features of Ice Cover 5.2 Momentum Equations for Sea Ice 5.3 Constitutive Law for Sea Ice (Ice Rheology) 5.3.1 Viscous-Plastic Ice Rheology 5.3.2 Elastic-Viscous-Plastic Ice Rheology 5.4 Continuity Equations for Sea Ice 5.5 Response of Sea Ice to Storm Passage 5.6 Numerics 5.6.1 Governing Equations in Orthogonal Curvilinear Coordinates 5.6.2 Solution Technique Chapter 6 Tides and Tidal Modeling 6.1 Description of Tides 6.2 Formulation: Tidal Potential 6.3 Body, Load, Atmospheric, and Radiational Tides 6.3.1 Body (Solid Earth) Tides 6.3.2 Load Tides 6.3.3 Atmospheric Tides 6.3.4 Radiational Tides 6.4 Dynamical Theory of Tides: Laplace Tidal Equations 6.5 Equilibrium Theory of Tides 6.6 Tidal Analysis: Orthotides 6.7 Tidal Currents 6.8 Global Tidal Models 6.9 Regional Tidal Models 6.10 Geophysical Implications 6.10.1 Tidal Dissipation and LOD 6.10.2 Tidal Energetics 6.11 Changes in Earth's Rotation 6.12 Baroclinic (Internal) Tides 6.13 Long-Period Tides 6.14 Shallow Water Tides and Residual Currents 6.15 Summary Chapter 7 Coastal Dynamics and Barotropic Models 7.1 Wind- and Buoyancy-Driven Currents 7.2 Tidal Motions 7.3 Continental Shelf Waves 7.4 Modeling Shelf Circulation 7.5 Barotropic Models 7.5.1 Coastal Ocean Response to Wind Forcing 7.5.2 Storm Surges and Storm Surge Modeling 7.5.3 Response to Pressure Forcing Chapter 8 Data and Data Processing 8.1 In Situ Observational Data 8.1.1 XBT, CTD, CM, ADCP, and Drifter Data 8.1.2 Historical Hydrographic Data 8.1.3 Historical Marine Surface Data 8.2 Remotely Sensed Data 8.2.1 Sea Surface Temperature from IR Sensors 8.2.2 Sea Surface Winds from Microwave Sensors 8.2.3 Chlorophyll and Optical Clarity from Color Sensors 8.2.4 Sea Surface Height from Satellite Altimetry 8.3 NWP Products 8.4 Preprocessing of Observational Data and Postprocessing of Model Output 8.4.1 Graphics and Visualization of Model Output 8.4.2 Analyses Chapter 9 Sigma-Coordinate Regional and Coastal Models 9.1 Introduction 9.2 Governing Equations 9.3 Vertical Mixing 9.4 Boundary Conditions 9.5 Mode Splitting 9.6 Numerics 9.6.1 Vertical Direction 9.6.2 Horizontal Direction 9.7 Numerical Problems 9.8 Applications 9.9 Code Structure Chapter 10 Multilevel Basin Scale and Global Models 10.1 Introduction 10.2 Governing Equations 10.3 Isopycnal Diffusion 10.4 Architecture and Other Model Features 10.5 Applications 10.6 Hybrid s-Coordinate Models 10.7 Regional z-Level Models Chapter 11 Layered and Isopycnal Models 11.1 Layered Models 11.2 Isopycnal Models Chapter 12 Ice-Ocean Coupled Models 12.1 Sea-Ice Models 12.2 Coupled Ice-Ocean Models Chapter 13 Ocean-Atmosphere Coupled Models 13.1 Coupling between the Ocean and the Atmosphere 13.2 Coupled Ocean-Atmosphere General Circulation Models 13.3 Regional Coupled Ocean-Atmosphere Models Chapter 14 Data Assimilation and Nowcasts/ Forecasts 14.1 Introduction 14.2 Direct Insertion 14.3 Nudging 14.4 Statistical Assimilation Schemes 14.4.1 Kalman Filter 14.4.2 Reduced State Space Kalman Filters 14.4.3 Optimal Interpolation (OI) Scheme 14.5 Variational Methods 14.5.1 Adjoint Models 14.6 Predictability of Nonlinear Systems-Low Order Paradigms 14.7 Nowcasts/Forecasts in the Gulf of Mexico Appendix A Equations of State A.1 Equation of State for the Ocean A.2 Equation of State for the Atmosphere Appendix B Wavelet Transforms B.1 Introduction B.1.1 Theory B.1.2 Continuous Wavelet Transforms (CWT) B.1.3 Discrete Wavelet Transforms (DWT) B.2 Examples B.3 Wavelet Transforms and Stochastic Processes B.4 Two-Dimensional Wavelet Transforms B.5 Cross Wavelet Transforms (CrWT) B.6 Error Analysis Appendix C Empirical Orthogonal Functions and Empirical Normal Modes C.1 Empirical Orthogonal Functions C.1.1 Complex EOFs C.1.2 Singular Spectrum Analysis C.1.3 Extended EOFs C.1.4 Coupled Pattern Analysis C.2 Empirical Normal Modes Appendix D Units and Constants D.1 Useful Quantities D.1.1 SI (International System of Units) Units and Conventions D.1.2 Useful Conversion Factors D.1.3 Useful Universal Constants D.1.4 Useful Geodetic Constants D.1.5 Useful Physical Constants D.1.6 Useful Dynamical Quantities D.2 Important Scales and Quantities D.2.1 Length Scales D.2.2 Timescales D.2.3 Velocity Scales D.2.4 Nondimensional Quantities D.3 Useful Websites References Biographies Index

Note: Contents Foreword Preface Summary for Policymakers Synthesis Report Question 1 Question 2 Question 3 Question 4 Question 5 Question 6 Question 7 Question 8 Question 9 Working Group Summaries Working Group I: The Scientific Basis Working Group II: Impacts, Adaptation, and Vulnerability Working Group III: Mitigation Annexes A. Authors and Expert Reviewers B. Glossary of Terms C. Acronyms, Abbreviations, and Units D. Scientific, Technical, and Socio-Economic Questions Selected by the Panel E. List of Major IPCC Reports

Note: INHALT: 1) Vorwort. - Vorträge. - 2) Über den gegenwärtigen Stand der Ozonforschung / E. BORBELY. - 3) Über eine elektrochemische Ozonsonde / H. RÖTHIG, D. SONNTAG. - 4) Die Abweichung der Werte des Gesamtgehalts des Ozons,der mit dem Ozonometer M-83 in Luftmassen verschiedenen Verunreinigungsgrades gemessen wurde / E. VENTURA. - 5) Über den aerosolbedingten Fehler der Daten des Gesamtozongehalts der Atmosphäre im Stationsnetz des Hydrometrischen Dienstes der UdSSR / G. P. GUSCHTSCHIN. - 6) Zur Methodik der Einführung der aerosolbedingten Korrektur in die Meßergebnisse des Gesamtozongehalts der Atmosphäre / G. P. GUSCHTSCHIN. - 7) Variationen des totalen Ozongehalts der Atmosphäre im Zusammenhang mit stratosphärischen Erwärmungen / W. HOEBBEL. - 8) Markante Schwankungen der kurzperiodischen Variationen des Gasamtozonbetrages und ihre Beziehungen zur Zirkulation, zu plötzlichen stratosphärischen Erwärmungen und zur Mesosphäre / W. Schwahn. - 9) Screen effect in the Ozonosphere / R. S. Steblova. - 10) Vergleich von Ozonmeßgeräten. - DOBSON-Spectrophotometer. - Universalozonometer M-83. - Spektrometer ISP 22. - 11) Verzeichnis der Tabellen des Meßgerätevergleichs. - 12) Schlußbetrachtung. - Anschriften der Autoren und der Teilnehmer am Meßgerätevergleich. , Beiträge teilweise in deutscher, teilweise in englischer, teilweise in russischer Sprache

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 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 Field Sampling Site selection and description Ice sampling procedures Shipping and storage of ice samples Testing Techniques Multi-year Pressure Ridge Tests Ice description Sampling scheme and test variables Uniaxial compressive strength Residual compressive strength Failure strains Initial tangent modulus Statistical Variations in Ice Strength Differences in strength above and below level ice Sources of the variation in strength Shape of the strength histograms Multi-year Floe Ice Tests Ice description Uniaxial compressive strength Constant-load compression tests Constant-strain-rate tension tests Triaxial tests Conclusions Literature Cited Appendix A: Structural profile of a multi-year pressure ridge core Appendix B: Ridge uniaxial compression test data Appendix C: Structural profile of the continuous multi-year floe core Appendix D: Multi-year floe test data

Note: Contents Abstract Preface Introduction Natural ice sheets Choosing an ice control structure Flexible structures Ice booms Frazil collector lines Fence booms Rigid or semirigid structures Pier-mounted booms Stone groins Artificial islands Removable gravity structures Timber cribs Weirs Pilings and dolphins Structures built for other purposes Hydroelectric dams Wicket dams Light piers and towers Bridge piers Breakwaters Ice control not using Structures Channel improvements Ice sheet tying Ice sheet bridges Conclusions Literature cited Appendix A: Ice control structure

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 Nomenclature Introduction Constitutive relationships Equations of motion Uniform flow Nonuniform flow Ice transport: Uniform flow Symmetric channel Asymmetric channel Ice transport: Nonuniform flow Further considerations Basis for model improvement 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: 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 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 Introduction Background and environmental setting Data collection and terminology Data analysis Gouge depths Gouge orientation Gouge frequency Extreme value analysis Applications to offshore design Gouge depth Extreme value statistics Burial depths Conclusion Literature cited Appendix A: Detailed bathymetric map of the Alaskan portion of the Beaufort Sea

Note: CONTENTS Abstract Preface Introduction Test material and test specimens Test material Required dimensions for test specimens Acquisition and preparation of specimens Field core sampling Specimen preparation in the laboratory Application of forces and displacements to uniaxial specimens Compression Tension Squareness imperfections Loading devices Universal testing machine Gas actuator for constant load Weight-and-pulley system for constant tension Equipment for triaxial tests Measurement of force and displacement Force Displacement Readouts and recorders Literature cited Appendix A: Phenolic-resin end caps Appendix B: Compliant platens Appendix C: Theoretical factor for converting overall strain to gauge-length strain indumbbell specimens Appci dix D: Items developed but not used in Phase I Appendix E: Use of the Brazil test

Note: CONTENTS Abstract Preface Introduction Observations Discussion Literature cited Appendix A: Site location maps

Note: Contents Abstract Preface Nomenclature Introduction Test objectives Experimental setup and procedures Facilities Test fixture Data acquisiton system Ice sheets Measurement of ice properties Daily test summary Experimental results and discussion Observations Ice force records Frequency of ice force variations Discussion Maximum crushing forces Mean effective pressure or specific energy of ice in crushing Failure energy of ice Ratio of maximum force to mean force Summary and conclusions Literature cited Appendix A: Data for continuous crushing tests

Note: CONTENTS Abstract Preface Introduction U.S.S.R. system of standards U.S.S.R. Design Code SNiP 11-18-76 (1977) subsoils and foundations on permafrost General regulations Classification of soils Basic regulations for foundation design Analysis of subsoils and foundations Design of foundations for special soil conditions, and appendices SR 80-34 (1980) design and construction of foundations in areas of deep seasonal frost and permafrost General information Foundation design Conclusions Literature cited

Note: CONTENTS Abstract Preface List of symbols Introduction Upwind: flux gradient method Downwind: integral method ResulIts Energy budget Latent heat flux Surface stress Downwind humidity profiles Discussion Conclusions Literature cited

Note: CONTENTS Abstract Preface Summary Introduction Revegetation procedures 1975-1978 construction seasons Willow cutting program Visual impact engineering program Selected terrain disturbances Fuel gas line and snowpads Island Lake and oil line snowpads Oil spills and revegetation CRREL restoration sites Conclusions Recommendations Literature cited Appendix A: List of sites observed during 1975 Appendix B: Annotated photographs of permanent revegetation observation sites-1975-1978 Appendix C: Photographic record of fuel gas line observation sites

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 Preface Nomenclature Introduction Experimental methods Density profile and densification Internal structure in typical samples Average grain size obtained from thin section Two-dimensional porosity, total pore periphery and tortuosity Vertical distribution of Young's modulus Air permeability and its structlU'al dependence Porosity dependence Grain size dependence Kozeny's constant for Greenland snow Correlation between air permeability and tortuosity of grains Unconfined compressive strength Static compression and creep in snow under high stresses Microscopic observation of the change in snow textlU'e under compression Literature cited Abstract