ALBERT

Note: Pages 1-10, Introduction and basic principles of isotope geochemistry --- Pages 11-31, Weathering --- Pages 33-45, Isotope geochemistry of river water --- Pages 47-88, Isotope geochemistry in the environment --- Pages 89-153, Isotopic composition of seawater past and present (Sr, Nd, Pb, Os, Ce) --- Pages 155-184, Isotope geochemistry of detrital and authigenic clay minerals in marine sediments (Rb−Sr, K−Ar, O) --- Pages 185-211, The Sm−Nd isotope system in detrital and authigenic argillaceous sediments

Note: Russ. Ausgabe als AWI G2-02-0113 verfügbar

Note: Contents: 1 Global Distribution of Lakes / M. MEYBECK. - 1 Introduction. - 2 Background Material and Approaches to Global Lake Census. - 2.1 Data Used. - 2.2 Approaches to Global Lake Census. - 3 General Laws of Lake Distribution. - 3.1 Lake Density . - 3.2 Limnic Ratio. - 4 Distribution of Lakes of Tectonic Origin. - 5 Lakes of Glacial Origin. - 5.1 Lake Densities. - 5.2 Global Deglaciated Area. - 5.3 Total Number of Glacial Lakes. - 6 Fluvial Lakes. - 7 Global Distribution of Crater Lakes. - 8 Global Distribution of Saline Lakes. - 8.1 Coastal Lagoons. - 8.2 Salinized Lakes due to Evaporation. - 9 Global Lake Distribution. - 9.1 Extrapolation Approach. - 9.2 Lake Type Approach. - 9.3 Climatic Typology Approach. - 9.4 Lake Distribution in Endorheic Areas. - 9.5 Global Dissolved Salt Distribution in Lakes. - 10 Major Changes in Global Lake Distribution in the Geological Past. - 10.1 Lake Ages. - 10.2 Historical Changes. - 10.3 Postglacial Changes. - 11 Discussion and Conclusions. - References. - 2 Hydrological Processes and the Water Budget of Lakes / T. C. WINTER. - 1 Introduction. - 2 Hydrological System with Regard to Lakes. - 2.1 Interaction of Lakes with Atmospheric Water. - 2.2 Interaction of Lakes with Surface Water. - 2.3 Interaction of Lakes with Subsurface Water. - 2.4 Change in Lake Volume. - 3 Summary. - References. - 3 Hydrological and Thermal Response of Lakes to Climate: Description and Modeling / S. W. HOSTETLER. - 1 Introduction. - 2 Hydrological Response. - 3 The Hydrological Budget. - 4 Hydrological Models. - 5 Thermal Response. - 5.1 Energy Budget and Energy Budget Models. - 5.2 Models and Modeling. - 6 Use of Models to Link Lakes with Climate Change. - 7 Input Data Sets. - 8 Sample Applications. - 9 Summary. - References. - 4 Mixing Mechanisms in Lakes / D. M. IMBODEN and A. WÜEST. - 1 Transport and Mixing. - 2 Lakes as Physical Systems. - 3 Fluid Dynamics: Mathematical Description of Advection and Diffusion. - 3.1 Equations of Fluid Motion. - 3.2 Turbulence, Reynolds' Stress, and Eddy Diffusion. - 3.3 Vertical Momentum Equation. - 3.4 Nonlocal Diffusion and Transilient Mixing. - 4 Density and Stability of Water Column. - 4.1 Equation of State of Water. - 4.2 Potential Temperature and Local Vertical Stability. - 5 Energy Fluxes: Driving Forces Behind Transport and Mixing. - 5.1 Thermal Energy. - 5.2 Potential Energy. - 5.3 Kinetic Energy. - 5.4 Turbulent Kinetic Energy Balance in Stratified Water. - 5.5 Internal Turbulent Energy Fluxes: Turbulence Cascade. - 6 Mixing Processes in Lakes. - 6.1 Waves and Mixing. - 6.2 Mixing in the Surface Layer. - 6.3 Diapycnal Mixing. - 6.4 Boundary Mixing. - 6.5 Double Diffusion. - 6.6 Isopycnal Mixing. - 7 Mixing and Its Ecological Relevance. - 7.1 Time Scales of Mixing. - 7.2 Reactive Species and Patchiness. - 7.3 Mixing and Growth: The Search for an Ecological Steering Factor. - References. - 5 Stable Isotopes of Fresh and Saline Lakes / J. R. GAT. - 1 Introduction. - 1.1 Isotope Separatio During Evaporation. - 2 Small-Area Lakes. - 2.1 Seasonal and Annual Changes. - 2.2 Deep Freshwater Lakes. - 2.3 Transient Surface-Water Bodies. - 3 Interactive and Feedback Systems. - 3.1 Network of Surface-Water Bodies. - 3.2 Recycling of Reevaporated Moisture into the Atmosphere. - 3.3 Large Lakes. - 3.4 Large-Area Lakes with Restricted Circulation. - 4 Saline Lakes. - 4.1 Isotope Hydrology of Large Salt Lakes. - 4.2 Ephemeral Salt Lakes and Sabkhas. - 5 Isotopie Paleolimnology. - 6 Conclusions: From Lakes to Oceans. - References. - 6 Exchange of Chemicals Between the Atmosphere and Lakes / P. VLAHOS, D. MACKAY, S. J. EISENREICH, and KC. HORNBUCKLE. - 1 Introduction. - 2 Air-Water Partitioning Equilibria. - 3 Diffusion Between Water and Air. - 4 Volatilization and Absorption: Double-Resistance Approach. - 5 Factors Affecting Mass-Transfer Coefficients. - 6 Partitioning of Chemical to Paniculate Matter in Air and Water. - 6.1 Air. - 6.2 Water. - 7 Atmospheric Deposition Processes. - 7.1 Dry Deposition. - 7.2 Wet Deposition. - 8 Specimen Calculation. - 8.1 Step 1: Physicochemical Properties. - 8.2 Step 2: Mass-Transfer Coefficients. - 8.3 Step 3: Sorption in Air and Water. - 8.4 Step 4: Equilibrium Status. - 8.5 Step 5: Volatilization and Deposition Rates. - 9 Role of Air-Water Exchange in Lake Mass Balances. - 10 Case Studies. - 10.1 Mass Balance on Siskiwit Lake, Isle Royale. - 10.2 Mass Balance on Lake Superior. - 10.3 Air-Water Exchange in Green Bay, Lake Michigan. - 10.4 Air-Water Exchange in Lake Superior. - 11 Conclusions. - References. - 7 Atmospheric Depositions: Impact of Acids on Lakes / W. STUMM and J. SCHNOOR. - Abstract. - 1 Introduction: Anthropogenic Generation of Acidity. - 1.1 Genesis of Acid Precipitation. - 2 Acidity and Alkalinity: Neutralizing Capacities. - 2.1 Transfer of Acidity (or Alkalinity) from Pollution Through the Atmosphere to Ecosystems. - 3 Acidification of Aquatic and Terrestrial Ecosystems. - 3.1 Disturbance of H+ Balance from Temporal or Spatial Decoupling of the Production and Mineralization of the Biomass. - 3.2 In Situ H+ Ion Neutralization in Lakes. - 3.3 Krug and Frink Revisited. - 4 Brønsted Acids and Lewis Acids: Pollution by Heavy Metals, as Influenced by Acidity. - 4.1 Cycling of Metals. - 4.2 Pb in Soils. - 5 Impact of Acidity on Ecology in Watersheds. - 5.1 Soils. - 5.2 Lakes. - 5.3 Nitrogen Saturation of Forests. - 6 Critical Loads. - 6.1 Critical Load Maps. - 6.2 Models for Critical Load Evaluation. - 7 Case Studies. - 7.1 Chemical Weathering of Crystalline Rocks in the Catchment Area of Acidic Ticino Lakes, Switzerland. - 7.2 Watershed Manipulation Project at Bear Brooks, Maine. - 8 Summary. - References. - 8 Redox-Driven Cycling of Trace Elements in Lakes / J. HAMILTON-TAYLOR and W. DAVISON. - 1 Introduction. - 2 Major Biogeochemical Cycles and Pathways. - 3 Iron and Manganese. - 3.1 Transformations and Cycling. - 3.2 Iron and Manganese Compounds as Carrier Phases. - 4 Sediment-Water Interface. - 4.1 Diffusive Flux from Sediments. - 4.2 Evidence of Little or No Diffusive Efflux from Sediments. - 4.3 Transient Remobilization. - 4.4 Diffusive Flux into Sediments. - 5 Pathways Involving Redox Reactions Directly: Case Studies. - 5.1 Arsenic. - 5.2 Chromium. - 5.3 239,240Pu. - 5.4 Selenium 6 Pathways Involving Redox Reactions Indirectly: Case Studies. - 6.1 137Cs. - 6.2 Stable Pb, 210Pb, and 210Po. - 6.3 Zinc. - 7 Summary and Conclusions. - References. - 9 Comparative Geochemistry of Marine Saline Lakes / F. T. MACKENZIE, S. VINK, R. WOLLAST, and L. CHOU. - 1 Introduction. - 2 General Characteristics of Marine Saline Lakes. - 3 Comparative Sediment-Pore-Water Reactions. - 3.1 Mangrove Lake, Bermuda. - 3.2 Solar Lake, Sinai. - 4 Conclusions. - References. - 10 Organic Matter Accumulation Records in Lake Sediments / P. A. MEYERS and R. ISHIWATARI. - 1 Introduction. - 1.1 Significance of Organic Matter in Lake Sediments. - 1.2 Origins of Organic Matter to Lake Sediments. - 1.3 Alterations of Organic Matter During Deposition. - 1.4 Similarities and Differences Between Organic Matter in Sediments of Lakes and Oceans. - 1.5 Dating of Lake-Sediment Records. - 2 Indicators of Sources and Alterations of Total Organic Matter in Lake Sediments. - 2.1 Source Information Preserved in C/N Ratios of Sedimentary Organic Matter. - 2.2 Source Information from Carbon-Stable Isotopic Compositions. - 2.3 Source Information from Nitrogen-Stable Isotopic Compositions. - 3 Origin and Alterations of Humic Substances. - 4 Sources and Alterations of Lipid Biomarkers. - 4.1 Alteration of Lipids During Deposition. - 4.2 Changes in Sources vs Selective Diagenesis. - 4.3 Effects of Sediment Grain Size on Geolipid Compositions. - 4.4 Source Records of Alkanes in Lake Sediments. - 4.5 Preserv

Note: Contents: 1 The Biological Paradigm ; 2 Threshold Logic ; 3 Weighted Networks - The Perceptron ; 4 Perceptron Learning ; 5 Unsupervised Learning and Clustering Algorithms ; 6 One and Two Layered Networks ; 7 The Backpropagation Algorithm ; 8 Fast Learning Algorithms ; 9 Statistics and Neural Networks ; 10 The Complexity of Learning ; 11 Fuzzy Logic ; 12 Associative Networks ; 13 The Hopfield Model ; 14 Stochastic Networks ; 15 Kohonen Networks ; 16 Modular Neural Networks ; 17 Genetic Algorithms ; 18 Hardware for Neural Networks

Note: Contents: Preface. - List of Symbols. - 1 Groundwater flow. - 1.1 Darcy's law. - 1.1.1 The limits of Darcy's law. - 1.1.2 Driving forces for groundwater flow. - 1.2 Crustal permeability. - 1.2.1 Permeability versus porosity. - 1.2.2 Heterogeneity and anisotropy. - 1.2.3 Scale dependence. - 1.2.4 Depth dependence. - 1.2.5 Time dependence. - 1.2.6 Some limiting values. - 1.3 Conceptualizing groundwater systems. - 1.4 The continuum approach. - 1.5 The groundwater flow equation. - 1.5.1 Conservation of mass. - 1.5.2 The storage term. - 1.5.3 Various forms of the groundwater flow equation Problems. - 2 Solute transport. - 2.1 Governing equations. - 2.1.1 Molecular diffusion. - 2.1.2 Advection. - 2.1.3 Mechanical dispersion. - 2.1.4 Mass balance equation. - 2.1.5 Chemical reactions. - 2.1.6 Initial and boundary conditions. - 2.2 Numerical solution techniques. - 2.3 Density-driven flow. - 2.4 Multicomponent diffusion. - 2.5 Multicomponent reactive transport. - 2.5.1 Rate-based reactions. - 2.5.2 Surface reactions. - 2.5.3 Homogeneous reactions. - 2.5.4 Heterogeneous reactions. - 2.5.5 Solution algorithms Problems. - 3 Heat transport. - 3.1 Governing equations. - 3.1.1 Choice of dependent variables. - 3.1.2 Statements of mass and energy conservation. - 3.1.3 A form of Darcy's law for two-phase flow of compressible fluids. - 3.1.4 Conductive heat flux. - 3.1.5 One-dimensional forms of the governing equations. - 3.1.6 Extending the governing equations to three dimensions. - 3.1.7 Assumptions. - 3.1.8 Fluid properties. - 3.1.9 Numerical solution. - 3.2 Initial and boundary conditions. - 3.3 Temperature-based formulations. - 3.4 One-dimensional groundwater flow. - 3.4.1 Steady vertical flow. - 3.4.2 Flow in a confined aquifer or fault zone. - 3.5 Dimensionless numbers. - 3.5.1 Nusselt number. - 3.5.2 Peclet number. - 3.5.3 Rayleigh number. - 3.6 Buoyancy-driven flow. - 3.7 Heatpipes Problems. - 4Regional-scale flow and transport. - 4.1Sources and sinks of fluid. - 4.1.1 Geologic forcing. - 4.1.2 Anomalous fluid pressures. - 4.1.3 Hydraulic fracturing. - 4.1.4 The Gulf Coast. - 4.1.5 Accretionary prisms. - 4.2 Regional-scale solute transport. - 4.2.1 Groundwater age. - 4.2.2 Large-scale dispersion. - 4.2.3 Evolution of regional groundwater chemistry. - 4.3 Regional-scale heat transfer. - 4.3.1 The conductive regime in sedimentary basins. - 4.3.2 Thermal effects of groundwater flow in sedimentary basins. - 4.3.3 Some case studies of sedimentary basins. - 4.3.4 An example from volcanic terrane. - 4.3.5 The stress-heat flow paradox of the San Andreas fault Problems. - 5 Ore deposits. - 5.1Mississippi Valley-type deposits. - 5.1.1 Evidence for regional-scale brine migration. - 5.1.2 The salt problem. - 5.1.3 Controls on ore deposition. - 5.1.4 Driving forces for fluid flow. - 5.1.5 The Irish MVTs. - 5.2 Sediment-hosted uranium. - 5.2.1 Redox control of uranium solubility. - 5.2.2 Tabular uranium deposits. - 5.2.3 Unconformity-type uranium deposits. - 5.3 Supergene enrichment of porphyry copper. - 5.4 Colombian emeralds. - Problems. - 6 Hydrocarbons. - 6.1 Maturation. - 6.1.1 The oil window. - 6.1.2 Groundwater flow and the thermal regime. - 6.2 Migration. - 6.2.1 Capillary effects. - 6.2.2 Primary migration. - 6.2.3 Secondary migration. - 6.3 Entrapment. - 6.4 Governing equations for immiscible multiphase flow. - 6.5 Case studies. - 6.5.1 The Uinta basin. - 6.5.2 The Los Angeles basin. - Problems. - 7 Geothermal processes. - 7.1 Crustal heat flow. - 7.1.1 Measurement. - 7.1.2 Lateral and vertical variations. - 7.1.3 Perturbations due to groundwater flow. - 7.2 Magmatic-hydrothermal systems. - 7.2.1 Magmatic heat sources. - 7.2.2 Heat transfer from magma to groundwater. - 7.2.3 Fluid circulation near magma bodies. - 7.2.4 Permeabilities in near-magma environments. - 7.3 Fluid flow and heat transport near the critical point. - 7.3.1 One-dimensional pressure-enthalpy paths. - 7.3.2 Two-dimensional convection. - 7.4 Multiphase processes. - 7.4.1 Phase separation. - 7.4.2 Vapor-dominated zones. - 7.4.3 Pressure transmission. - 7.4.4 Boiling point-depth curves. - 7.5 Hotsprings. - 7.6 Geysers. - 7.7 Geothermal resources. - 7.8 Ore deposits. - 7.9 Subsea hydrothermal systems. - 7.9.1 Importance to the Earth's thermal budget. - 7.9.2 Influence on ocean chemistry. - 7.9.3 Quantitative description. - Problems. - 8 Earthquakes. - 8.1 Effective stress. - 8.2 Coulomb's law of failure. - 8.3 Induced seismicity. - 8.3.1 The Rocky Mountain arsenal. - 8.3.2 Rangely,Colorado. - 8.4 Fluid pressures at seismogenic depths. - 8.4.1 Hubbert and Rubey. - 8.4.2 Irwin and Barnes model for the San Andreas. - 8.4.3 Byerlee and Rice models for the San Andreas. - 8.5 Earthquake-induced hydrologic phenomena. - 8.5.1 Stream flow and springs. - 8.5.2 Well behavior. - 8.5.3 Geysering. - 8.6 Effect of earthquakes on crustal permeability. - 8.6.1 Analysis of the Loma Prietacase. - 8.6.2 State-of-stress and the orientation of conductive fractures. - Problems. - 9 Evaporites. - 9.1 Evaporite formation. - 9.1.1 The marine evaporite problem. - 9.1.2 Groundwater inflow. - 9.1.3 CaCl2 brines. - 9.1.4 Magnesium depletion. - 9.1.5 Continental evaporites. - 9.1.6 Groundwater outflow. - 9.2 Bedded evaporites. - 9.3 Saltdomes. - 9.3.1 Variable-density convection. - 9.3.2 Caprock formation. - Problems. - 10 Diagenesis and metamorphism. - 10.1 Reaction-Flow coupling. - 10.2 Diagenesis of siliciclastic sequences. - 10.2.1 Diagenesis in sedimentary basins. - 10.2.2 Silica cementation by thermal convection. - 10.3 Diagenesis of carbonate platforms. - 10.3.1 Dolomitization. - 10.3.2 Mixing-zone dissolution. - 10.4Local-scale diagenetic features. - 10.4.1 Mechanochemical coupling. - 10.4.2 Geochemical banding. - 10.5 Metamorphism. - 10.5.1 The evidence for voluminous fluid fluxes. - 10.5.2 The nature of permeability in metamorphic environments. - 10.5.3 Contact metamorphism at Skaergaard. - 10.5.4 Low-pressure metamorphic belts. - Problems. - References. - Index.

Note: Contents: Preface. - Notation. - 1 Introduction. - 1.1 Background. - 1.2 What is an inverse problem?. - 1.3 What's here. - 2 Physics of the ocean circulation. - 2.1 Basic physical elements. - 2.2 Observations. - 2.3 The classical problem. - 2.4 Hidaka's problem and the algebraic formulation. - 2.5 The absolute velocity problem in retrospect. - 3 Basic machinery. - 3.1 Matrix and vector algebra. - 3.2 Simple statistics; regression. - 3.3 Least squares. - 3.4 The singular vector expansion. - 3.5 Using a steady model-combined least squares and adjoints. - 3.6 Gauss-Markov estimation, mapmaking, and more simultaneous equations. - 3.7 Improving solutions recursively. - 3.8 Estimation from linear constraints - a summary. - 4 The steady ocean circulation inverse problem. - 4.1 Choosing a model. - 4.2 The initial reference level. - 4.3 Simple examples. - 4.4 Property fluxes. - 4.5 Application to real data sets. - 4.6 Climatologies and box models. - 4.7 The β-spiral and variant methods. - 5 Additional useful methods. - 5.1 Inequality constraints; nonnegative least squares. - 5.2 Linear programming and eclectic models. - 5.3 Quantifying water mass; empirical orthogonal functions. - 5.4 Kriging and other variants of Gauss-Markov estimation. - 5.5 Nonlinear problems. - 6 The time-dependent inverse problem. - 6.1 Some basic ideas and notation. - 6.2 Estimation. - 6.3 Control problems: Pontryagin principle and adjoint methods. - 6.4 Duality and simplification: steady-state filter and adjoint. - 6.5 Controllability and observability. - 6.6 Nonlinear models. - 6.7 Assimilation. - 6.8 Other minimization methods and the search for practicality. - 6.9 Forward models. - 6.10 A last word. - References. - Author Index. - Subject Index.

Note: Contents Preface Part I Introduction 1 Applications and uses of diatoms: prologue / EUGENE F. STOERMER AND JOHN P. SMOL Part II Diatoms as indicators of environmental change in flowing waters and lakes 2 Assessing environmental conditions in rivers and streams with diatoms / R. JAN STEVENSON AND YANGDONG PAN 3 Diatoms as indicators of hydrologic and climatic change in saline lakes / SHERILYN C. FRITZ, BRIAN F. CUMMING, FRANQOISE GASSE, AND KATHLEEN R. LAIRD 4 Diatoms as mediators of biogeochemical silica depletion in the Laurentian Great Lakes / CLAIRE L. SCHELSKE 5 Diatoms as indicators of surface water acidity / RICHARD W. BATTARBEE, DONALD F. CHARLES, SUSHIL S. DIXIT, AND INGEMAR RENBERG 6 Diatoms as indicators of lake eutrophication / ROLAND I. HALL AND JOHN P. SMOL 7 Continental diatoms as indicators of long-term environmental change / J. PLATT BRADBURY 8 Diatoms as indicators of water level change in freshwater lakes / JULIE A. WOLIN AND HAMISH C. DUTHIE Part III Diatoms as indicators in extreme environments 9 Diatoms as indicators of environmental change near arctic and alpine treeline / ANDRE F. LOTTER, REINHARD PIENITZ, AND ROLAND SCHMIDT 10 Freshwater diatoms as indicators of environmental change in the High Arctic / MARIANNE S. V. DOUGLAS AND JOHN P. SMOL 11 Diatoms as indicators of enviromental change in antarctic freshwaters / SARAH A. SPAULDING AND DIANE M. MCKNIGHT 12 Diatoms of aerial habitats / JEFFREY R. JOHANSEN Part IV Diatoms as indicators in marine and estuarine environments 13 Diatoms as indicators of coastal paleoenvironments and relative sea-level change / LUC DENYS AND HEIN DE WOLF 14 Diatoms and environmental change in brackish waters / PAULI SNOEIJS 15 Applied diatom studies in estuaries and shallow coastal environments / MICHAEL J. SULLIVAN 16 Estuarine paleoenyironmental reconstructions using diatoms / SHERRI R. COOPER 17 Diatoms and marine paleoceanography / CONSTANCE SANCETTA PartV Other applications 18 Diatoms and archeology / STEVEN JUGGINS AND NIGEL CAMERON 19 Diatoms in oil and gas exploration / WILLIAM N. KREBS 20 Forensic science and diatoms / ANTHONY J. PEABODY 21 Toxic and harmful marine diatoms / GRETA A. FRYXELL AND MARIA C. VILLAC 22 Diatoms as markers of atmospheric transport / MARGARET A. HARPER 23 Diatomite / DAVID M. HARWOOD Part VI Conclusions 24 Epilogue: a view to the future / EUGENE F. STOERMER AND JOHN P. SMOL Glossary, and acronyms Index

Note: Contents (I) Motivation and Methods (A) The Antarctic Ice Sheet and its Role in the Global System (A.1) Main Geographic and Glaciologic Provinces of Antarctica (A.2) Climatic Change, Sea-Level Rise,and Changes in the Cryosphere (A.3) Modeling Versus Measuring B) Satellite Remote Sensing (B.1) An Overview of Ice Sheet Observations by Satellite (B.2) Satellite Radar Altimetry (B.2.1) Satellite Missions with Radar Altimeter Observations (B.2.1.1) SEASAT (B.2.1.2) GEOSAT (B.2.1.3) ERS-1 and ERS-2 (B.2.1.4) Other Missions with Altimeters, and Related Missions (B.2.2) Mission Types: Exact Repeat Missions and Geodetic Missions (B.2.3) Radar Measurement Principles (B.3) Analysis of Satellite Radar Altimeter Data over Ice Sheets and Glaciers (B.3.1) Problems and Methods of Mapping Ice Surface Elevation (B.3.2) Derivation of Ice Surface Roughness and Morphology (C) Data Analysis Methods Applied in the Antarctic Atlas (C.0) Introduction (C.1) Corrections of Radar Altimeter Data (C.1.1) Corrections Applied to Satellite Radar Altimeter Data for Ice Surface Mapping (C.1.2) The Bad-Track Problem (C.1.3) The Need for Interpolation of Geophysical Line Survey Data (C.2) Map Projection and Atlas Mapping (C.2.1) The UTM Projection (C.2.2) The Atlas Mapping Problem (C.2.3) The Solution: The Antarctic Atlas Mapping Scheme (C.2.4) Map Sheet Calculation with TRANSVIEW (C.3) Geostatistical Estimation (C.3.1) Concept of the Regionalized Variable and Principles of Variography (C.3.2) Kriging (C.3.3) Variography for Satellite Radar Altimeter Data over Antarctic Ice Surfaces (C.3.4) Application: Search Algorithm and Kriging Parameters for Antarctic Atlas DTMs. Mapping Parameters (C.3.4.1) Search Routine for Geophysical Line Survey Data and Software (C.3.4.2) Grid Spacing (C.3.4.3) Mapping Parameters: Contouring and Coloring Scheme (C.3.5) Error Analysis (C.3.6) Influence of the Radar Altimeter Sensor Compared to Influence of the Variogramin Kriging for GEOSAT and ERS-1 Data (C.4) The Role of the Geodetic Reference Surface (C.4.1) Ellipsoid and Geoid Concepts (C.4.2) Mapping of Ice Surfaces with Reference to Geoid Models (II) The Atlas (D) Atlas Maps (D.0) Map Organization and Description Principles (D.1) Latitude Row 63-68°S: Maps from GEOSAT and ERS-1 Radar Altimeter Data Map m45e37-53n63-68 Casey Bay Map m57e49-65n63-68 Napier Mountains Map m69e61-77n63-68 Mawson Coast East Map m81e73-89n63-68 Leopold and Astrid Coast Map m93e85-101n63-68 Queen Mary Coast Map m105e97-113n63-68 Knox Coast Map m117e109-125n63-68 Sabrina Coast Map m129e121-137n63-68 Clarie Coast Map m141e133-149n63-68 Adélie Coast Map m153e145-161n63-68 Ninnis Glacier Tongue Map m297e289-305n63-68 Antarctic Peninsula (Graham Land) (D.2) Latitude Row 67-72.1°S: Maps from GEOSAT and ERS-1 Radar Altimeter Data Map m15we23W-7Wn67-721 Ekström Ice Shelf Map m3we11w-5n67-721 Fimbul Ice Shelf Map m9e1-17n67-721 Princess Astrid Coast Map m21e13-29n67-721 Erskine Iceport Map m33e25-41n67-721 Riiser-Larsen Peninsula Map m45e37-53n67-721 Prince Olav Coast Map m57e49-65n67-721 Kemp Coast Map m69e61-77n67-721 Lambert Glacier Map m81e73-89n67-721 Ingrid Christensen Coast Map m93e85-101n67-721 Wilkes Land (e85-101n67-721) Map m105e97-113n67-721 Wilkes Land (e97-113n67-721) Map m117e109-125n67-721 Wilkes Land (e109-125n67-721) Map m129e121-137n67-721 Wilkes Land (e121-137n67-721) Map m141e133-149n67-721 Wilkes Land (e133-149n67-721) Map m153e145-161n67-721 Cook Ice Shelf Map m165e157-173n67-721 Pennell Coast Map m292e284-300n67-721 Antarctic Peninsula (Palmer Land) (D.3) Latitude Row 71-77°S: Maps from ERS-1 Radar Altimeter Data Map m333e315-351n71-77 Riiser-Larsen Ice Shelf Map m357e339-15n71-77 New Schwabenland Map m21e3-39n71-77 Sør Rondane Mountains Map m45e27-63n71-77 Belgica Mountains Map m69e51-87n71-77 Upper Lambert Glacier Map m93e75-111n71-77 American Highland Map m117e99-135n71-77 Dome Charlie Map m141e123-159n71-77 Southern Wilkes Land (e123-159) Map m165e147-183n71-77 Victoria Land Map m213e195-231n71-77 Ruppert Coast Map m237e219-255n71-77 Bakutis Coast Map m261e243-279n71-77 Walgreen Coast Map m285e267-303n71-77 Ellsworth Land Map m309e291-327n71-77 Black Coast (D.4) Latitude Row 75-80°S: Maps from ERS-1 Radar Altimeter Data Map m333e315-351n75-80 Coats Land Map m357e339-15n75-80 Western Queen Maud Land (North) Map m21e3-39n75-80 Central Queen Maud Land (North) Map m45e27-63n75-80 Valkyrie Dome Map m69e51-87n75-80 South of Lambert Glacier Map m93e75-111n75-80 East Antarctica (Sovetskaya) Map m117e99-135n75-80 East Antarctica (Vostok) Map m141e123-159n75-80 East Antarctica (Mt. Longhurst) Map m165e147-183n75-80 Scott Coast Map m189e171-207n75-80 Roosevelt Island Map m213e195-231n75-80 Saunders Coast Map m237e219-255n75-80 Northern Marie Byrd Land Map m261e243-279n75-80 Northern Hollick-Kenyon Plateau Map m285e267-303n75-80 Zumberge Coast Map m309e291-327n75-80 Ronne Ice Shelf (D.5) Latitude Row 78-81.5°S: Maps from ERS-1 Radar Altimeter Data Map m333e315-351n78-815 Filchner Ice Shelf Map m357e339-15n78-815 Western Queen Maud Land (South) Map m21e3-39n78-815 Central Queen Maud Land (South) Map m45e27-63n78-815 Eastern Queen Maud Land (South) Map m69e51-87n78-815 Dome Argus Map m93e75-111n78-815 East Antarctica (e75-111n78-815) Map m117e99-135n78-815 EastAntarctica (e99-135n78-815) Map m141e123-159n78-815 Byrd Glacier Map m165e147-183n78-815 Hillary Coast Map m189e171-207n78-815 Ross Ice Shelf Map m213e195-231n78-815 Shirase Coast Map m237e219-255n78-815 Southern Marie Byrd Land Map m261e243-279n78-815 Southern Hollick-Kenyon Plateau Map m285e267-303n78-815 Ellsworth Mountains Map m309e291-327n78-815 Berkner Island (III) Applications (E) Monitoring Changes in Antarctic Ice SurfaceTopography: The Example of the Lambert Glacier/Amery Ice Shelf System (E.1) The Problem of Monitoring Changes (E.2) Time Series of Digital Terrain Models and Maps (E.3) Altimeter Data: Acquisition and Corrections (E.4) Visual Comparison - Quantitative Comparison (E.5) Calculation of Elevation Changes (E.6) Discussion of Results on Elevation Changes (E.6.1) Results of the Monitoring Study (E.6.2) Comparison with Other Maps of Lambert Glacier/Amery Ice Shelf (E.7) On the Potential Existence of Surge Glaciers in the Lambert Glacier/Amery Ice Shelf System (E.7.1) Introduction to the Surge Phenomenon and Relationship to Results of the Monitoring Study (E.7.2) Discussion of the Surge Hypothesis in the Glaciologic Literature (F) Detailed Studies of Selected Antarctic Outlet Glaciers and Ice Shelves (F.0) Introduction (F.1) Detail Map 1: Slessor Glacier (ERS-1 Data 1995) (F.2) Detail Map 2: Stancomb-Wills Glacier (ERS-1 Data 1995) (F.3) Detail Map 3: Jutulstraumen Glacier (ERS-1 Data 1995) (F.4) Detail Map 4: Shirase Glacier (ERS-1 Data 1995) (F.5) Detail Map 5: Lambert Glacier (ERS-1 Data 1995) (F.6) Detail Map 6: West Ice Shelf (ERS-1 Data 1995) (F.7) Detail Map 7: Denman Glacier (ERS-1 Data 1995) (F.8) Detail Map 8: Vanderford Glacier (ERS-1 Data 1995) (F.9) Detail Map 9: Totten Glacier (ERS-1 Data 1995) (F.10) Detail Maps 10: Mertz Glacier,11: Ninnis Glacier, and 12: Mertz and Ninnis Glaciers (GEOSAT Data 1985-86) (F.11) Detail Map 13: Rennick Glacier (ERS-1 Data 1995) (F.12) Detail Map 14: David Glacier/Drygalski Ice Tongue (ERS-1 Data 1995) (F.13) Detail Map15: Thwaites Glacier (ERS-1 Data 1995) (F.14) Detail Map 16: PineIsland Glacier (ERS-1 Data 1995) (G) Combination of SAR and Radar Altimeter Data: Lambert Glacier/Amery Ice Shelf (IV) References and Appendix (H) References (I) Appendix (I.1)Glaciological Glossary (I.2) Index of Place Names (I.3) Antarctic Expeditions (I.3.1) Early Seagoing Expeditions (I.3.2) Expeditions to the Antarctic Continent (I.3.3) Antarctic Expeditions after the International Geophysical Year

Note: Contents 1 Introduction 2 Features of the Arctic Seas of Russia and Their Ecosystems 2.1 Brief History of the Studies 2.2 Physical Geography 2.3 Features of Geological Structure and Sedimentation 2.4 Hydrology 2.5 Hydrochemistry 2.5.1 Oxygen 2.5.2 pH 2.5.3 Alkalinity 2.5.4 Nutrients (P, N, and Si) 3 Biological Production of the Arctic Seas of Russia 3.1 Introduction 3.2 Barents Sea 3.3 White Sea 3.4. Kara Sea 3.5. Seas of the East Arctic 4 Particulate Matter and Vertical Carbon Fluxes in the Water–Bottom System 4.1 Introduction 4.2 Barents Sea 4.3 White Sea 4.4 Kara Sea 4.5 Laptev, East Siberian, and Chukchi Seas 4.6 Carbon Fluxes from the Photic Zone to the Seafloor 4.7 Conclusion 5 Horizontal Carbon Fluxes in the Land–Sea System 5.1 Riverine Runoff and Carbon Fluxes 5.1.1 Water Runoff and Particulate Matter Supply 5.1.2 Carbon runoff 5.2 Coastal Abrasion and Carbon Fluxes 5.3 Aerosols and Eolian Carbon Fluxes 5.4 Underground and Glacial Runoff 5.4.1 Underground Runoff 5.4.2 Ice and Glacial Discharge 5.4.3 Interstitial Waters 6 Carbon in the Bottom Sediments 6.1 Introduction 6.2 Brief History of the Studies of Carbon and Organic Matter Composition 6.3 Selected Features of the Polar Lithogenesis 6.4 Organo-Chemical Composition of the Sediments 6.5 Distribution and Accumulation Rate of Carbon in the Bottom Sediments 6.5.1 Contents of TOC and Ccarb in Different Types of the Sediments 6.5.2 Distribution of TOC and its Accumulation Rate in the Bottom Sediments 6.5.3 Distribution of Ccarb and its Accumulation Rates in the Bottom Sediments 7 Elements of Carbon Balance and Cycling in the Arctic Seas of Russia 7.1 Fluxes and Balance of Masses 7.2 Ecological Features of the Arctic Seas and their Influence on Carbon Cycling References Index

Note: Contents: I INTRODUCTION. - 1 Ecosystem Response, Resistance, Resilience, and Recovery in Arctic Landscapes: Introduction / J. F. Reynolds and J. D. Tenhunen. - 1.1 Introduction. - 1.2 NRC Committee Report. - 1.3 The R4D Program. - 1.3.1 Objectives and Conceptual Framework. - 1.3.2 Program Implementation. - 1.3.3 Landscape Function. - 1.4 Summary. - References. - 2 Integrated Ecosystem Research in Northern Alaska, 1947-1994 / G. R. Shaver. - 2.1 Introduction. - 2.2 Early Days at NARL. - 2.3 The U.S. Tundra Biome Program. - 2.4 The Meade River RATE Program. - 2.5 Eagle Creek and Eagle Summit. - 2.6 The Arctic LTER Program at Toolik Lake. - 2.7 Other Studies In Alaska and Elsewhere. - 2.8 Summary and Prospects. - References. - 3 Disturbance and Recovery of Arctic Alaskan Vegetation / D. A. Walker. - 3.1 Introduction. - 3.2 Disturbance and Recovery. - 3.3Typical Disturbance and Recovery Patterns. - 3.3.1 Small Disturbed Patches. - 3.3.2 Contaminants. - 3.3.2.1 Hydrocarbon Spills. - 3.3.2.2 Seawater and Reserve-Pit Spills. - 3.3.3 Fire. - 3.3.4 Transportation Corridors. - 3.3.4.1 Bulldozed Tundra and Related Disturbances. - 3.3.4.2 Off-Road Vehicle Trails. - 3.3.4.2.1 Summer Travel. - 3.3.4.2.2 Winter Travel. - 3.3.4.3 Permanent Roads and Pads. - 3.3.4.4 Gravel Mines. - 3.3.4.5 Native Species in Revegetation of Gravel Pads and Mines. - 3.3.4.6 Road Dust. - 3.3.4.7 Roadside Impoundments. - 3.3.5 Cumulative Impacts. - 3.4 Conclusions. - References. - 4 Terrain and Vegetation of the Imnavait Creek Watershed / D. A. Walker and M. D. Walker. - 4.1 Introduction. - 4.2 Terrain. - 4.2.1 Glacial Deposits. - 4.2.2 Retransported Hillslope Deposits. - 4.2.3 Colluvial Basin Deposits. - 4.2.4 Floodplain Deposits. - 4.3 Vegetation. - 4.3.1 Flora. - 4.3.2 Vegetation Types. - 4.3.2.1 Lichen-Covered Rocks. - 4.3.2.2 Dry Heath. - 4.3.2.2.1 Exposed Sites. - 4.3.2.2.2 Snowbeds. - 4.3.2.3 Tussock Tundra. - 4.3.2.4 Riparian Areas. - 4.3.2.5 Mires. - 4.3.2.6 Beaded Ponds. - 4.4 West-Facing Toposequence. - 4.5 Terrain Sensitivity to Disturbance. - 4.6 Conclusions. - Appendix A. List of Plants for Imnavait Creek, Alaska. - References. - 5 Vegetation Structure and Aboveground Carbon and Nutrient Pools in the Imnavait Creek Watershed / S. C. Hahn, S. F. Oberbauer, R. Gebauer, N. E. Grulke, O. L. Lange, and J. D. Tenhunen. - 5.1 ntroduction. - 5.2 Description of Vegetation. - 5.3 Sampling Methods. - 5.3.1 Cover. - 5.3.2 Biomass and Nutrient Pools. - 5.4 Cover. - 5.5 Aboveground Biomass. - 5.5.1 Live Biomass. - 5.5.2 Photosynthetic Biomass. - 5.5.3 Lichen Biomass. - 5.5.4 Organic Litter. - 5.5.5 Watershed Patterns. - 5.6 Nutrient Pools. - 5.6.1 N and P in Heath Cryptogams. - 5.6.2 N and P in Communities. - 5.7 Discussion and Conclusions. - References. - II PHYSICAL ENVIRONMENT, HYDROLOGY, and TRANSPORT. - 6 Energy Balance and Hydrological Processes in an Arctic Watershed / L. Hinzmann, D. L. Kane, C. S. Benson, and K. R. Everett. - 6.1 Introduction. - 6.2 Radiation and Thermal Regimes. - 6.2.1 Surface Energy Balance. - 6.2.2 Snow Cover and Soil Thermal Regime. - 6.3 Hydrological Processes. - 6.3.1 Snowmelt. - 6.3.2 Plot and Basin Water Balance. - 6.3.3 Runoff and Basin Discharge. - 6.3.4 Precipitation, Evaporation, and Evapotranspiration. - 6.4 Energy Balance and Hydrology Models. - 6.4.1 Simulation of the Thermal Regime. - 6.4.2 Simulation of Snowmelt. - 6.4.3 Simulation of Catchment Runoff. - 6.5 Conclusions. - References. - 7 Shortwave Reflectance Properties of Arctic Tundra Landscapes / A. S. Hope and D. A. Stow. - 7.1 Introduction. - 7.2 Shortwave Reflectance Studies in Arctic Environments. - 7.2.1 Environmental Considerations. - 7.2.2 Radiometric Data. - 7.2.3 Image Data. - 7.3 Spectral Reflectance. - 7.3.1 Aboveground Biomass. - 7.3.2 Vegetation Composition. - 7.3.3 Landscape Patterns. - 7.3.4 Effects of Dust Deposition. - 7.4 Albedo. - 7.4.1 Undisturbed Tussock Tundra. - 7.4.2 Effects of Dust Deposition. - 7.5 Conclusions. - References. - 8 Isotopic Tracers for Investigating Hydrological Processes / L. W. Cooper, I. L. Larsen, C. Solis, J. M. Grebmeier, C. R. Olsen, D. K. Solomon, and R. B. Cook. - 8.1 Introduction. - 8.1.1 Units. - 8.1.2 Conservative vs Nonconservative Isotopes. - 8.2 Nonconservative Tracers. - 8.3 Sulfur-35. - 8.4 Oxygen-18. - 8.4.1 Oxygen-18 Content of Snowpack. - 8.4.2 Oxygen-18 Content of Imnavait Creek. - 8.4.3 Oxygen-18 Content of Soil Moisture. - 8.4.4 Covariance of Oxygen-18 and Deuterium in Watershed Compartments. - 8.4.5 Covariance of Oxygen-18 and Deuterium in Plant Water. - 8.5 Long-Lived Radioisotopes: Lead-210 and Cesium-137. - 8.5.1 Distribution of 137Cs on Tundra and in Lake Sediments. - 8.5.2 Cycling of 137Cs in Annual Berries. - 8.5.3 Distribution of 210Pb in Tundra. - 8.6 Conclusions. - References. - III NUTRIENT AND CARBON FLUXES. - 9 Surface Water Chemistry and Hydrology of a Small Arctic Drainage Basin / K. R. Everett, D. L. Kane, and L. D. Hinzman. - 9.1 Introduction. - 9.2 Watershed Instrumentation. - 9.3 Snowmelt Period. - 9.3.1 Snowmelt Hydrology. - 9.3.2 Snowmelt Chemistry . - 9.3.2.1 Overland Flow. - 9.3.2.2 Water Track Flow. - 9.3.2.3 Imnavait Creek Flow. - 9.4 Post Snowmelt Period. - 9.4.1 Atmospheric Inputs. - 9.4.1.1 Rainfall. - 9.4.1.2 Dry Deposition. - 9.4.1.3 Rime. - 9.4.2 Water Chemistry. - 9.4.2.1 Overland Flow. - 9.4.2.2 Active Layer Flow. - 9.4.2.3 Imnavait Creek Flow. - 9.5 Conclusions. - References. - 10 Nutrient Availability and Uptake by Tundra Plants / J. P. Schimel, K. Kielland, and F. S. Chapin III. - 10.1 Introduction. - 10.2 Controls on Mineralization and Nutrient Supply. - 10.2.1 Patterns of Nutrient Supply in the Soil. - 10.2.2 Patterns of Mineralization. - 10.2.3 Controls on N and P Mineralization. - 10.2.4 Controls on Decomposition and Mineralization. - 10.2.4.1 Temperature. - 10.2.4.1.1 Enzyme Activities. - 10.2.4.1.2 Microbial Activity at Low Temperatures. - 10.2.4.1.3 Freeze-Thaw Events. - 10.2.4.2 Effects of Low Oxygen on Microbial Activity and Mineralization. - 10.2.4.3 Substrate Quality. - 10.3 Fate of Available Nutrients. - 10.3.1 Microbial Nutrient Uptake and Competition with Plants. - 10.3.2 Plant Uptake. - 10.3.2.1 Soil Factors Controlling Nutrient Absorption. - 10.3.2.2 Rooting Strategies. - 10.3.2.3 Uptake Characteristics of Tundra Plants. - 10.3.2.4 Retranslocation vs Current Uptake. - 10.4 Disturbances. - 10.4.1 Vehicle Tracks. - 10.4.2 Road Dust. - 10.4.3 Gray Water. - 10.4.4 Climate Change. - References. - 11 Landscape Patterns of Carbon Dioxide Exchange in Tundra Ecosytems / S. F. Oberbauer, W. Cheng, C. T. Gillespie, B. Ostendorf, A. Sala, R. Gebauer, R. A. Virginia, and J. D. Tenhunen. - 11.1 Introduction. - 11.2 Methods. - 11.2.1 Community Types. - 11.2.2 Leaf Photosynthesis. - 11.2.3 Ecosystem Efflux. - 11.2.4 Ecosystem Net CO2 Exchange. - 11.3 CO2 Uptake. - 11.3.1 Factors Affecting CO2 Uptake. - 11.3.1.1 Light. - 11.3.1.2 Temperature. - 11.3.1.3 Phenology. - 11.3.1.4 Water Availability. - 11.3.1.5 Nutrition. - 11.3.2 Landscape Patterns in Leaf Photosynthesis. - 11.4 CO2 Efflux. - 11.4.1 Factors Affecting CO2 Efflux. - 11.4.1.1 Live Plant Biomass. - 11.4.1.2 Soil Quality. - 11.4.1.3 Thaw Depth and Depth to Water Table. - 11.4.1.4 Soil Moisture. - 11.4.1.5 Soil Temperature. - 11.4.2 Landscape Patterns of CO2 Efflux. - 11.4.3 Daily and Seasonal Patterns of CO2 Efflux. - 11.4.4 Dust Deposition Effects on CO2 Efflux. - 11.5 Landscape Patterns in Net CO2 Exchange. - 11.6 Conclusions. - References. - 12 Control of Tundra Methane Emission by Microbial Oxidation / S. C. Whalen, W. S. Reeburgh, and C. E. Reimers. - 12.1 Introduction. - 12.2 Sampling Procedure. - 12.3 Results and Discussion. - 12.3.1 Methane Flux and Environmental Variables in Tundra and Taiga. - 12.3.2 Physiology, Controls, and Potential for Microbial CH4 Oxidation. - 12.3.3 Methane Oxidation by Tundra Soils in a Warmer Climate. - 12.4 Conclusions. - References. - 13 Dynamics of Dissolved and Particulate Car

Note: Contents Observed Climatic Variability: Time Dependence / J. M. WALLACE Observed Climatic Variability: Spatial Structure / J. M. WALLACE Predictability of the Atmosphere and Oceans: From Days to Decades / T. N. PALMER Mechanisms for Decadal-to-Centennial Climate Variability / E. S. SARACHIK, M. WINTON and F. L. YIN Long-Term Coordinated Changesin the Convective Activity of the North Atlantic / R. DICKSON, J. LAZIER, J. MEINCKE and P. RHINES Mechanism for Decadal Climate Variability / M. LATIF, A. GROTZNER, M. MUNNICH, E. MAIER-REIMER, S. VENZKE and T. P. BARNETTA The Climate Response to the Changing Greenhouse Gas Concentration in the Atmosphere / L. BENGTSSON Analysis of Thermohaline Feedbacks / J. MAROTZKE An Overview of Century Time-Scale Variability in the Climate System: Observations and Models / T. F. STOCKER Steady States and Variability in Oceanic Zonal Flows / D. OLBERS and C. VOLKER Spectral Methods: What They Can and Cannot Do for Climatic Time Series / M. GHIL and P. Yiou Subject Index List of Participants

Note: Table of Contents: SECTION A: MODERN OCEAN AND SEA-ICE PROCESSES. - Features of Seasonal and Interannual Variability of the Sea Level and Water Circulation in the Laptev Sea / V. K. Pavlov and P. V. Pavlov. - Numerical Modelling of Storm Surges in the Laptev Sea Based on the Finite Element Method / I. Ashik and A. Novakov. - Large-Scale Variations of Sea Level in the Laptev Sea / G. N. Voinov and E. A. Zakharchuk. - Extreme Oscillations of the Sea Level in the Laptev Sea / I. Ashik, Y. Dvorkin and Y. Vanda. - Internal Waves in the Laptev Sea / E. A. Zakharchuk. - The Composition of the Coarse Fraction of Aerosols in the Marine Boundary Layer over the Laptev, Kara and Barents Seas / V. P. Shevchenko, A. P. Lisitzin, R. Stein, V. V. Serova, A. B. Isaeva and N. V. Politova. - New Data on Sea-Ice Albedo in the Laptev and Barents Seas / B. V. Ivanov. - Possible Causes of Radioactive Contamination in the Laptev Sea / V. K. Pavlov, V. V. Stanovoy and A. I. Nikitin. - Oceanographic Causes for Transarctic Ice Transport of River Discharge / I. Dmitrenko, P. Golovin, V. Gribanov and H. Kassens. - Step-Like Vertical Structure Formation Due to Turbulent Mixing of Initially Continuous Density Gradients / A. Zatsepin, S. Dikarev, S. Poyarkov, N. Sheremet, I. Dmitrenko, P. Golovin and H. Kassens. - Dissolved and Paniculate Major and Trace Elements in Newly Formed Ice from the Laptev Sea (Transdrift III, October 1995) / J. A. Hölemann, M. Schirmacher and A. Prange. - Particle Entrainment into Newly Forming Sea Ice - Freeze-Up Studies in October 1995 / F. Lindemann, J. A. Holemann, A. Korablev and A. Zachek. - Frazil Ice Formation during the Spring Flood and its Role in Transport of Sediments to the Ice Cover / P. Golovin, I. Dmitrenko, H. Kassens and J. A. Hölemann. - SECTION B: THE MARINE ECOSYSTEM. - Pelagic-Benthic Coupling in the Laptev Sea Affected by Ice Cover / C. Grahl, A. Boetius and E.-M. Nöthig. - Chlorophyll a Distribution in Water Column and Sea Ice during the Laptev Sea Freeze-Up Study in Autumn 1995 / K. v. Juterzenka and K. Knickmeier. - Composition, Abundance and Population Structure of Spring-Time Zooplankton in the Shelf-Zone of Laptev Sea / E. N. Abramova. - Macrobenthos Distribution in the Laptev Sea in Relation to Hydrology / V. V. Petryashov, B. I. Sirenko, A. A. Golikov, A. V. Novozhilov, E. Rachor, D. Piepenburg and M. K. Schmid. - Carepoctus solidus sp.n., a New Species of Liparid Fish (Scorpaeniformes, Liparidae) from the Lower Bathyal of the Polar Basin / N. V. Chernova. - Spring Stopover of Birds on the Laptev Sea Polynya / D. V. Solovieva. - SECTION C: LAND-OCEAN INTERACTIONS AND PATHWAYS. - Major, Trace and Rare Earth Element Geochemistry of Suspended Particulate Material of East Siberian Rivers Draining to the Arctic Ocean / V. Rachold. - Carbon Isotope Composition of Particulate Organic Material in East Siberian Rivers / V. Rachold and H.-W. Hubberten. - Distribution of River Water and Suspended Sediment Loads in the Deltas of Rivers in the Basins of The Laptev and East-Siberian Seas / V. V. Ivanov and A. A. Piskun. - Dissolved Oxygen, Silicon, Phosphorous and Suspended Matter Concentrations During the Spring Breakup of The Lena River / S. V. Pivovarov, J. A. Hölemann, H. Kassens, M. Antonow and I. Dmitrenko. - Distribution Patterns of Heavy Minerals in Siberian Rivers, the Laptev Sea and the eastern Arctic Ocean: An Approach to Identify Sources, Transport and Pathways of Terrigenous Matter / M. Behrends, E. Hoops and B. Peregovich. - The Role of Coastal Retreat for Sedimentation in the Laptev Sea / F. E. Are. - SECTION D: TERRESTRIAL ENVIRONMENT - PAST AND PRESENT. - Seasonal Changes in Hydrology, Energy Balance and Chemistry in the Active Layers of Arctic Tundra Soils in Taymyr Peninsula, Russia / J. Boike and P. P. Overduin. - The Landscape and Geobotanical Characteristics of the Levinson-Lessing Lake Basin, Byrranga Mountains, Central Taimyr / M. A. Anisimov and I. N. Pospelov. - Studies of Methane Production and Emission in Relation to the Microrelief of a Polygonal Tundra in Northern Siberia / V. A. Samarkin, A. Gundelwein and E.-M. Pfeiffer. - Carbon Dioxide and Methane Emmissions at Arctic Tundra Sites in North Siberia / M. Sommerkom, A. Gundelwein, E.-M. Pfeiffer and M. Bolter. - The Features of the Hydrological Regime of the Lake-River Systems of the Byrranga Mountains (by the Example of the Levinson-Lessing Lake) / V. P. Zimichev, D. Yu. Bolschyanov, V. G. Mesheryakov and D. Gintz. - Lead-210 Dating and Heavy Metal Concentration in Recent Sediments of Lama Lake (Norilsk Area, Siberia) / B. Hagedorn, S. Harwart, M. M. R. van der Loeff and M. Melles. - Late Weichselian to Holocene Diatom Succession in a Sediment Core from Lama Lake, Siberia and Presumed Ecological Implications / U. Kienel. - Climate and Vegetation History of the Taymyr Peninsula since Middle Weichselian Time - Palynological Evidence from Lake Sediments / J. Hahne and M. Melles. - Laminated Sediments from Levinson-Lessing Lake, Northern Central Siberia - A 30,000 Year Record of Environmental History? / T. Ebel, M. Melles and F. Niessen. - High-Resolution Seismic Stratigraphy of Lake Sediments on the Taymyr Peninsula, Central Siberia / F. Niessen, T. Ebel, C. Kopsch and G. B. Fedorov. - Archaeological Survey in Central Taymyr / V. V. Pitul'ko. - Marine Pleistocene Deposits of the Taymyr Peninsula and their Age from ESR Dating / D. Bolshiyanov and A. Molodkov. - Paleoclimatic Indicators from Permafrost Sequences in the Eastern Taymyr Lowland / C. Siegert, A. Yu. Derevyagin, G.N. Shilova, W.-D. Hermichen and A. Hiller. - SECTION E: MARINE DEPOSITIONAL ENVIRONMENT - PAST AND PRESENT. - Stable Oxygen Isotope Ratios in Benthic Carbonate Shells of Ostracoda, Foraminifera, and Bivalvia from Surface Sediments of the Laptev Sea, Summer 1993 and 1994 / H. Erlenkeuser and U. von Grafenstein. - Determination of Depositional Beryllium-10 Fluxes in the Area of the Laptev Sea and Beryllium-10 Concentrations in Water Samples of High Northern Latitudes / C. Strobl, V. Schulz, S. Vogler, S. Baumann, H. Kassens, P. W. Kubik, M. Suter and A. Mangini. - Spatial Distribution of Diatom Surface Sediment Assemblages on the Laptev Sea Shelf (Russian Arctic) / H. Cremer. - Diatoms from Surface Sediments of the Saint Anna Trough (Kara Sea) / R. N. Djinoridze, G. I. Ivanov, E. N. Djinoridze, and R. F. Spielhagen. - Distribution of Aquatic Palynomorphs in Surface Sediments from the Laptev Sea, Eastern Arctic Ocean / M. Kunz-Pirrung. - Distribution of Pollen and Spores in Surface Sediments of the Laptev Sea / O. D. Naidina and H. A. Bauch. - Clay Mineral Distribution in Surface Sediments of the Laptev Sea: Indicator for Sediment Provinces, Dynamics and Sources / B. T. Rossak, H. Kassens, H. Lange and J. Thiede. - Planktic Foraminifera in Holocene Sediments from the Laptev Sea and the Central Arctic Ocean: Species Distribution and Paleobiogeographical Implication / H. A. Bauch. - Holocene Diatom Stratigraphy and Paleoceanography of the Eurasian Arctic Seas / Y. Polyakova. - Late Quaternary Organic Carbon and Biomarker Records from the Laptev Sea Continental Margin (Arctic Ocean): Implications for Organic Carbon Flux and Composition / R. Stein, K. Fahl, F. Niessen and M. Siebold. - Late Pleistocene Paleoriver Channels on the Laptev Sea Shelf - Implications from Sub-Bottom Profiling / H. P. Kleiber and F. Niessen. - Main Structural Elements of Eastern Russian Arctic Continental Margin Derived from Satellite Gravity and Multichannel Seismic Reflection Data / S. S. Drachev, G. L. Johnson, S. W. Laxon, D. C. McAdoo and H. Kassens. - High Resolution Seismic Studies in the Laptev Sea Shelf: First Results and Future Needs / B. Kim, G. Grikurov and V. Soloviev. - SECTION F: SUMMARY. - Dynamics and History of the Laptev Sea and its Continental Hinterland: A Summary / J. Thiede, L. Timokhov, H. A. Bauch, D. Bolshiyanov, I. Dmitrenko

Note: Contents Editor's note Acknowledgements page xu Notes on translations and definitions Abstract Preface Introduction 1 Geocryology as part of planetary cryology 2 Frozen rocks as natural-historical geological formations 3 History of research of the zone of permafrost and the frozen materials composing this zone 4 Structure, problems and scientific themes of geocryology 5 Methodological basis of geocryology I Thermal-physical, physico-chemical and mechanical processes in freezing, frozen and thawing ground and their manifestation in the permafrost regions 1 Thermal-physical processes in freezing and thawing ground 1.1 Heat transfer and temperature field in ground 1.2 Freezing (crystallization) of water and melting of ice in the ground 1.3 Sublimation and desublimation of moisture in frozen rocks 1.4 Freezing and thawing of ground 1.5 Methods for solving soil freezing (thawing) problems and approximate formulae for freezing and thawing depth calculations 2 Water transfer and ice formation in soils 2.1 Nature and mechanism of moisture migration in soils 2.2 Water transfer and ice formation in frozen soil 2.3 Water transfer and ice formation in freezing and thawing soils 3 Physico-chemical and mechanical processes in freezing and thawing ground 3.1 Chemical reactions and processes in freezing and thawing soils 3.2 Physico-chemical and mechanical processes in freezing and thawing soils 3.3 Physical-mechanical processes in frozen soils caused by changes in temperature 3.4 Physical and chemical processes in frozen soils caused by an external load 4 Structure and texture of freezing and thawing soils 4.1 Thermal-physical and physical-mechanical conditions of development of migrational-segregated ice interlayers 4.2 Basic types of cryogenic structure 4.3 Formation of structure in freezing and thawing soils 4.4 Structural associations and types of contact in frozen soils 5 Cryogenic geological processes and phenomena 5.1 Classification of processes and phenomena 5.2 Frost heaving of soils 5.3 Frost cracking (fissuring) and polygonal formations, surface and underground 5.4 Thermokarst 5.5 Slope processes and phenomena 5.6 Processes and effects associated with the activity of water, glaciers and other geological agents II Composition, cryogenic structure and properties of frozen rocks 6 Formation of sedimentary materials in the permafrost regions (cryolithogenesis) 6.1 Sediment genesis in the permafrost regions 6.2 Transformation of loose deposits of the permafrost regions into rock 6.3 Formation of useful mineral deposits at different stages of cryogenesis 7 Composition and structure of frozen earth materials 7.1 Characteristics of organic, mineral and chemical composition of frozen earth materials 7.2 Unfrozen water and ice in ground 7.3 Textural characteristics of the frozen material 7.4 Microstructure of frozen soils 8 Properties of frozen soils 8.1 Physical properties of the frozen materials 8.2 Thermal-physical properties of rocks 8.3 Moisture exchange properties of soils 8.4 Mechanical properties of frozen ground 9 Characteristics of the basic genetic types of frozen ground 9.1 Features of the cryogenic types of frozen strata 9.2 Composition and cryogenic structure of the principal geologic-genetic types of sedimentary materials in the permafrost regions 9.3 Natural ice as a monomineral rock III Principles of the formation and development of the frozen strata and layers of seasonal freezing and thawing 10 Thermodynamic and climatic conditions for formation of the frozen layers 10.1 Energy balance of the Earth 10.2 Thermodynamic conditions for development of seasonally and perennially frozen ground 10.3 Frozen ground as a result of zonation of thermal- and mass-exchange processes on the Earth's surface and in the atmosphere 11 Seasonal freezing and thawing of ground 11.1 Formation of the layer of seasonal freezing and thawing of soil 11.2 Types of seasonal freezing and thawing of the ground 11.3 The influence oflandscape-climatic factors on the temperature regime and depth of seasonal freezing and thawing of the ground 12 Development of the temperature regime and the thickness of the permafrost 12.1 Present-day knowledge of the development of permafrost 12.2 The effect of boundary conditions on the permafrost thickness and temperature regime 12.3 Dependence of the permafrost thickness and temperature regime on geological factors and processes 13 Taliks and groundwater in the permafrost zone 13.1 The types and formation of taliks in the permafrost zone 13.2 Groundwater of the permafrost regions 13.3 Interaction of groundwater with the permafrost and types of cryohydrogeological structures IV Regional features and evolution of permafrost 14 Permafrost evolution in the Earth's history 14.1 History of the development of permafrost and its distribution on the planet 14.2 Reasons for the development and evolution of permafrost in the Earth's history 14.3 The history of geocryological development and the main stages of permafrost formation on the territory of the former USSR in the Late Cenozoic 15 Zonal and regional features of present-day geocryological conditions in the territories of the former USSR 15.1 Distribution of permafrost and spatial variations of its mean annual temperature 15.2 Structure of the permafrost and spatial variability of its thickness 15.3 Distribution of main types of seasonal ground thawing and freezing 16 Principles and methods for regional geocryological investigations 16.1 Geocryological survey as the basis for regional investigation of the seasonally and perennially freezing zones 16.2 The methods and carrying-out of geocryological surveys 16.3 Classification and regionalization in the course of geocryological survey 16.4 Regionalization in geocryological mapping V Rational use of frozen ground and environmental protection in the course of economic development of the permafrost regions 17 The effect of different types of development on the natural geocryological environment 17.1 The basic principles of rational use of frozen ground in the course of the economic development of the permafrost regions 17.2 Regional environmental change in the course of development of extensive areas within the permafrost zone 17.3 Economic development of the permafrost regions with various kinds of construction 17.4 Development in the permafrost regions for the mining industry and underground engineering 17.5 Types of agrobiological development in the permafrost regions 18 Ensuring the stability of engineering structures in the permafrost regions 18.1 Principles of construction on permafrost (bases and foundations) 18.2 Methods of amelioration of frozen ground for foundations 18.3 Principles of foundation design and selection of type of foundation for construction on permafrost 18.4 Normative documents for engineering design and construction in the permafrost regions 19 Engineering geology in support of design, construction and operation of structures in the permafrost regions 19.1 Engineering-geological survey in the permafrost regions 19.2 Forecasting change in the geocryological conditions in the course of development 19.3 Principles and methods of the control of cryogenic processes 19.4 The basis of the rational use and protection of the geological environment in the permafrost regions References Index

Note: Table of Contents: 1 The Solid Phase of Marine Sediments / DIETER K. FÜTTERER 1.1 Introduction 1.2 Sources and Components of Marine Sediments 1.2.1 Lithogenous Sediments 1.2.2 Biogenous Sediments 1.2.3 Hydrogenous Sediments 1.3 Classification of Marine Sediments 1.3.1 Terrigenous Sediments 1.3.2 Deep-Sea Sediments 1.4 Global Patterns of Sediment Distribution 1.4.1 Distribution Patterns of Shelf Sediments 1.4.2 Distribution Patterns of Deep-Sea Sediments 1.4.3 Distribution Patterns of Glay Minerals 1.4.4 Sedimentation Rates 2 Geophysical Perspectives in Marine Sediments 2.1 Physical Properties of Marine Sediments / MONIKA BREITZKE 2.1.1 Introduction 2.1.2 Porosity and Wet Bulk Density 2.1.2.1 Analysis by Weight and Volume 2.1.2.2 Gamma Ray Attenuation 2.1.2.3 Electrical Resistivity (Galvanic Method) 2.1.2.4 Electrical Resistivity (Inductive Method) 2.1.3 Permeability 2.1.4 Acoustic and Elastic Properties 2.1.4.1 Biot-Stoll Model 2.1.4.2 Full Waveform Ultrasonic Gore Logging 2.1.5 Sediment Classification 2.1.5.1 Full Waveform Gore Logs as Acoustic Images 2.1.5.2 P-and S-Wave Velocity, Attenuation, Elastic Moduli and Permeability 2.1.6 Sediment Echosounding 2.1.6.1 Synthetic Seismograms 2.1.6.2 Narrow-Beam Parasound Echosounder Recordings 2.2 Sedimentary Magnetism / ULRICH BLEIL 2.2.1 Introduction 2.2.2 Biogenie Magnetic Minerals in Marine Sediments 2.2.3 Reduction Diagenesis of Magnetic Minerals in Marine Environments 3 Quantification of Early Diagenesis: Dissolved Constituents in Marine Pore Water / HORST D. SCHULZ 3.1 Introduction: How to Read Pore Water Concentration Profiles 3.2 Calculation of Diffusive Fluxes and Diagenetic Reaction Rates 3.2.1 Steady State and Non-Steady State Situations 3.2.2 The Steady State Situation and Fick's First Law of Diffusion 3.2.3 Quantitative Evaluation of Steady State Concentration Profiles 3.2.4 The Non-Steady State Situation and Fick's Second Law of Diffusion 3.2.5 The Primary Redox-Reactions: Degradation of Organic Matter 3.3 Sampling of Pore Water for Ex-Situ Measurements 3.3.1 Obtaining Sampies of Sediment for the Analysis of Pore Water 3.3.2 Pore Water Extraction from the Sediment 3.3.3 Storage, Transport and Preservation of Pore Water 3.4 Analyzing Constituents in Pore Water, Typical Profiles 3.5 In-Situ Measurements 3.6 Influence of Bioturbation, Bioirrigation, and Advection 4 Organic Matter: The Driving Force for Early Diagenesis / JÜRGEN RULLKÖTTER 4.1 The Organic Carbon Cycle 4.2 Organic Matter Accumulation in Sediments 4.2.1 Productivity Versus Preservation 4.2.2 Primary Production of Organic Matter and Export to the Ocean Bottom 4.2.3 Transport of Organic Matter through the Water Column 4.2.4 The Influence of Sedimentation Rate on Organic Matter Burial 4.2.5 Allochthonous Organic Matter in Marine Sediments 4.3 Early Diagenesis 4.3.1 The Organic Carbon Content of Marine Sediments 4.3.2 Chemical Composition of Biomass 4.3.3 The Principle of Selective Preservation 4.3.4 The Formation of Fossil Organic Matter and its Bulk Composition 4.3.5 Early Diagenesis at the Molecular Level 4.3.6 Biological Markers (Molecular Fossils) 4.4 Organic Geochemical Proxies 4.4.1 Total Organic Carbon and Sulfur 4.4.2 Marine Versus Terrigenous Organic Matter 4.4.3 Molecular Paleo-Seawater Temperature and Climate Indicators 4.5 Analytical Techniques 4.5.1 Sam pie Requirements 4.5.2 Elemental and Bulk Isotope Analysis 4.5.3 Rock-Eval Pyrolysis and Pyrolysis Gas Chromatography 4.5.4 Organic Petrography 4.5.5 Bitumen Analysis 4.6 The Future of Marine Geochemistry of Organic Matter 5 Bacteria and Marine Biogeochemistry / Bo BARKER JORGENSEN 5.1 Role of Microorganisms 5.1.1 From Geochemistry to Microbiology - and back 5.1.2 Approaches in Marine Biogeochemistry 5.2 Life and Environments at Small Scale 5.2.1 Hydrodynamics of Low Reynolds Numbers 5.2.2 Diffusion at Small Scale 5.2.3 Diffusive Boundary Layers 5.3 Regulation and Limits of Microbial Processes 5.3.1 Substrate Uptake by Microorganisms 5.3.2 Temperature as a Regulating Factor 5.3.3 Other Regulating Factors 5.4 Energy Metabolism of Prokaryotes 5.4.1 Free Energy 5.4.2 Reduction-Oxidation Processes 5.4.3 Relations to Oxygen 5.4.4 Definitions of Energy Metabolism 5.4.5 Energy Metabolism of Microorganisms 5.4.6 Chemolithotrophs 5.4.7 Respiration and Fermentation 5.5 Pathways of Organic Matter Degradation 5.5.1 Depolymerization of Macromolecules 5.5.2 Aerobic and Anaerobic Mineralization 5.5.3 Depth Zonation of Oxidants 5.6 Methods in Biogeochemistry 5.6.1 Incubation Experiments 5.6.2 Radioactive Tracers 5.6.3 Example: Sulfate Reduction 5.6.4 Specific Inhibitors 5.6.5 Other Methods 6 Early Diagenesis at the Benthic Boundary Layer: Oxygen and Nitrate in Marine Sediments / CHRISTIAN HENSEN AND MATTHIAS ZABEL 6.1 Introduction 6.2 Oxygen and Nitrate Distribution in Seawater 6.3 The Role of Oxygen and Nitrate in Marine Sediments 6.3.1 Respiration and Redox Processes 6.3.1.1 Nitrification and Denitrification 6.3.1.2 Coupling of Oxygen and Nitrate to other Redox Pathways 6.3.2 Determination of Consumption Rates and Senthic Fluxes 6.3.2.1 Fluxes and Concentration Profiles Determined by In-Situ Devices 6.3.2.2 Ex-Situ Pore Water Data from Deep-Sea Sediments 6.3.2.3 Determination of Denitrification Rates 6.3.3 Oxic Respiration, Nitrification and Denitrification in Different Marine Environments 6.3.3.1 Quantification of Rates and Fluxes 6.3.3.2 Variation in Different Marine Environments: Case Studies 6.4 Summary 7 The Reactivity of Iron / RALF R. HAESE 7.1 Introduction 7.2 Pathways of Iron Input to Marine Sediments 7.2.1 Fluvial Input 7.2.2 Aeolian Input 7.3 Iron as a Limiting Nutrient for Primary Productivity 7.4 The Early Diagenesis of Iron in Sediments 7.4.1 Dissimilatary Iran Reductian 7.4.2 Solid Phase Ferric Iron and its Bioavailability 7.4.2.1 Properties of Iron Oxides 7.4.2.2 Bioavailability of Iron Oxides 7.4.2.3 Bioavailability of Sheet Silicate Sound Ferric lron 7.4.3 Iron and Manganese Redax Cycles 7.4.4 Iron Reactivity towards S, O2, Mn, NO3, P, HCO3, and Si-AI 7.4.4.1 lron Reduction by HS and Ligands 7.4.4.2 Iron Oxidation by O2, NO3, and Mn4+ 7.4.4.3 Iron-Sound Phosphorus 7.4.4.4 The Formation of Siderite 7.4.4.5 The Formation of lron Searing Aluminosilicates 7.4.5 Discussion: The Importance of Fe-and Mn-Reactivity in Various Enyironments 7.5 The Assay for Ferric and Ferrous Iron 8 Sulfate Reduction in Marine Sediments / SABINE KASTEN AND BO BARKER JØRGENSEN 8.1 Introduction 8.2 Sulfate Reduction and the Degradation of Organic Matter 8.3 Biotic and Abiotic Processes Coupled to Sulfate Reduction 8.3.1 Pyrite Formation 8.3.2 Effects of Sulfate Reduction on Sedimentary Solid Phases 8.4 Determination of Sulfate Reduction Rates 9 Marine Carbonates: Their Formation and Destruction / RALPH R. SCHNEIDER, HORST D. SCHULZ AND CHRISTIAN HENSEN 9.1 Introduction 9.2 Marine Environments of Carbonate Production and Accumulation 9.2.1 Shallow-Water Carbonates 9.2.2 Pelagic Calcareous Sediments 9.3 The Calcite-Carbonate-Equilibrium in Marine Aquatic Systems 9.3.1 Primary Reactions of the Calcite-Carbonate-Equilibrium with Atmospheric Contact in Infinitely Diluted Solutions 9.3.2 Primary Reactions of the Calcite-Carbonate-Equilibrium without Atmospheric Contact 9.3.3 Secondary Reactions of the Calcite-Carbonate-Equilibrium in Seawater 9.3.4 Examples for Calculation of the Calcite-Carbonate-Equilibrium in Ocean Waters 9.4 Carbonate Reservoir Sizes and Fluxes between Particulate and Dissolved Reservoirs 9.4.1 Production Versus Dissolution of Pelagic Carbonates 9.4.2 Inorganic and Organic Carbon Release trom Deep-Sea Sediments 10 Influences of Geochemical Processes on Stable Isotope Distribution in Marine Sediments / TORSTEN SICKERT 10.1 Introduction 10.2 Fundamentals 10.2.1 Principles of Isotopic Fractionation 10.2.2 Analytical Procedures 10.3 Geochemicallnfluences on 18O/16O Ratios 10.3.1 δ18O of Seawater 10.3.2 δ18O in Marine Carbonates 10.4 Geochemical Influences on 13C/12C Ratios 10.4.1