ALBERT

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: Zugl.: Bremen, Univ., Diss., 1996

Note: Contents: List of figures. - List of tables. - Preface to first edition. - Preface to second edition. - Acknowledgements. - PART 1 THE PERIGLACIAL DOMAIN. - 1 Introduction. - 1.1 The periglacial concept. - 1.2 Periglacial processes. - 1.3 The growth of periglacial geomorphology. - Further reading. - Discussion topics. - 2 Periglacial landscapes. - 2.1 Introduction. - 2.2 Proglacial, paraglacial or periglacial?. - 2.3 Never-glaciated periglacial terrain. - 2.4 Implications. - Further reading. - Discussion topics. - 3 Periglacial climates. - 3.1 Boundary conditions. - 3.2 Periglacial climates. - 3.3. Periglacial climates and the cryosphere. - Further reading. - Discussion topics. - PART 2 PRESENT-DAY PERIGLACIAL ENVIRONMENTS. - 4 Frost action and cryogenic weathering. - 4.1 Introduction. - 4.2 The freezing process. - 4.3 Ice segregation and frost heave. - 4.4 Freezing and thawing indices. - 4.5 The ground temperature regime. - 4.6 Frost cracking. - 4.7 Cryogenic weathering. - 4.8 Salt weathering. - 4.9 Solution and karstification. - Further reading. - Discussion topics. - 5 Permafrost. - 5.1 Historical perspective. - 5.2 Moisture in permafrost. - 5.3 Geothermal regimes of permafrost. - 5.4 Distribution of permafrost. - 5.5 Permafrost and terrain conditions. - 5.6 Surface features of permafrost. - 5.7 Permafrost hydrology. - Further reading. - Discussion topics. - 6 Ground ice. - 6.1 Ground ice description. - 6.2 Types and amounts of ground ice. - 6.3 Ice wedges. - 6.4 Massive ice and massive icy bodies. - 6.5 Ice-cored mounds and pingos. - Further reading. - Discussion topics. - 7 Thermokarst. - 7.1 Causes of thermokarst. - 7.2 Thermokarst subsidence and thermal erosion. - 7.3 Alas thermokarst relief. - 7.4 Ice-wedge thermokarst terrain. - 7.5 Retrogressive thaw slumps. - 7.6 Thaw lakes and depressions. - 7.7 Fluvio-thermal erosion. - 7.8 Thermokarst involutions. - Further reading. - Discussion topics. - 8 The active layer. - 8.1 Definition. - 8.2 Thermal regime of the active layer. - 8.3 Unfrozen water in freezing and frozen soils. - 8.4 Frost heave. - 8.5 Thaw consolidation. - 8.6 Thermally induced mass displacement. - 8.7 Cryoturbation and patterned ground. - 8.8 Active layer hydraulics and mud boils. - 8.9 Conclusions. - Further reading. - Discussion topics. - 9 Hillslope processes. - 9.1 Mass wasting. - 9.2 Solifluction. - 9.3 Slopewash. - 9.4 Rapid mass movement. - 9.5 Frozen slopes. - Further reading. - Discussion topics. - 10 Slope morphology. - 10.1 The free-face model. - 10.2 Rectilinear debris-mantled slopes. - 10.3 Convexo-concavo debris-mantled slopes. - 10.4 Pediment-like forms. - 10.5 Stepped profiles. - 10.6 Slope evolution. - 10.7 General reflections. - Further reading. - Discussion topics. - 11 Fluvial processes and landforms. - 11.1 Introduction. - 11.2 Major rivers. - 11.3 Channel hydrology. - 11.4 Basin hydrology. - 11.5 Sediment flow, surface transport and denudation. - 11.6 Fluvio-thermal erosion. - 11.7 Channel morphology. - 11.8 Valley asymmetry. - Further reading. - Discussion topics. - 12 Wind action and coastal processes. - 12.1 The role of the wind. - 12.2 Loess-like silt. - 12.3 Sand dunes and sand sheets. - 12.4 Coastal processes. - 12.5 Cold-climate deltas. - Further reading. - Discussion topics. - PART 3 PLEISTOCENE PERIGLACIAL ENVIRONMENTS. - 13 Pleistocene periglacial conditions. - 13.1 Introduction. - 13.2 The time scale and climatic fluctuations. - 13.3 Geomorphic considerations. - 13.4 Problems of reconstruction. - 13.5 Extent of late Pleistocene periglacial conditions. - Further reading. - Discussion topics. - 14 Relict periglacial phenomena. - 14.1 Introduction. - 14.2 Perennial or seasonal frost?. - 14.3 Evidence for frost action. - 14.4 Evidence for frozen ground. - 14.5 Pleistocene frost fissures. - 14.6 Frost mounds. - 14.7 Thermokarst forms and structures. - Further reading. - Discussion topics. - 15 Pleistocene wind action, tundra rivers and periglacial landscape modification. - 15.1 Wind action. - 15.2 Tundra rivers. - 15.3 Asymmetrical valleys. - 15.4 Periglacial landscape modification. - 15.5 Summary. - Further reading. - Discussion topics. - PART 4 APPLIED PERIGLACIAL GEOMORPHOLOGY. - 16 Geotechnical and engineering aspects. - 16.1 Introduction. - 16.2 Human-induced thermokarst and terrain disturbance. - 16.3 Engineering and construction problems. - 16.4 Hydrological problems. - Further reading. - Discussion topics. - 17 Global change and periglacial environments. - 17.1 Global change and cold regions. - 17.2 Evidence from the present day. - 17.3 Future responses. - Further reading. - Discussion topics. - References. - Index.