ALBERT

Note: Contents: PART I GEOLOGICAL AND PALEOECOLOGICAL EVENTS OF THE LATE PLEISTOCENE AND HOLOCENE IN NORTHERN EURASIA. - 1 Geological and Paleoecological Events of the Late Pleistocene along Eurasian Coastal Areas of the Arctic Ocean. - General Upper Pleistocene Stratigraphie Scheme for Northern Eurasia. - Duration of the Mikulino Interglaciation. - Correlation of the Natural Events Correlative with MIS 5d-5a in Northern West Europe and Northwestern Russia. - 2 Late Pleistocene Geologic-Paleoecological Events in the North of European Russia. - Relationship between Land and Sea Areas during the Mikulino Interglacial in Northern Eurasia. - Genetic Types of Continental Sediments. - Marine Sediments of the Boreal Transgression in the North of European Russia. - 3 Main Geologic-Paieoecoioglcal Events of the Late Pleistocene in the North of Western Siberia. - 4 Geologic-Paleoecological Events of the late Pleistocene in the Northern-Siberian Lowland and Taimyr Peninsula. - 5 The Late Glacial Time and Holocene of Northern Eurasia. - 6 Outlines of the Late Pleistocene and Holocene History of the East Arctic Seas. - 7 The Deglaciation Time and Holocene of Northern Eurasia. - PART II MARINE SEDIMENTATION IN THE ARCTIC OCEAN AND SUBARCTIC SEAS. - 8 The Seas of West Subarctic Region. - Geologic and Oceanographic Setting. - History of Sedimentation. - History of Sedimentation Rates. - History of Sedimentation on the Vøring Plateau During the Last 25 ka. - History of Sedimentation at the Continental Margin of Eastern and South-Eastern Greenland During the Last 130 ka. - 9 The Arctic Ocean. - Recent Environment. - Morphostructure, Oceanographic and Sea-Ice Setting, Recent Sediments and Their Mineral Composition. - Facies Variations of Holocene Sediments on the Yermak Plateau (According to Study Data of 〉 63 mkm Fraction). - History of Sedimentation. - History of Sedimentation Rates During the Last 130 ka. - History of Sedimentation on the Yermak Plateau During the Last 190 ka. - Organic-Geochemical Sediment Studies of the Eastern Part of the Central Arctic. - 10 The Western Arctic Seas. - Recent Sedimentation Environment. - The Barents Sea. - The Kara Sea. - Surface Sediments of the Pechora Sea. - Surface Sediments of St. Anna Trough. - Facies Zonality of Surface Sediments in the Eastern Kara Sea. - History of Sedimentation. - Late- and Post-Glacial History of Sedimentation in the Eastern Part of the Barents Sea. - Holocene Sedimentation History in the Southern Novaya Zemlya Trough. - History of Sedimentation in the Pechora Sea During the Late Pleistocene and Holocene. - Light Fraction Mineralogy of the Upper Quaternary Sediments from the Saint Anna Trough and Its Paleoceanographic Interpretation. - Holocene History of Yenisei River Discharge. - Holocene History of Ob River Discharge. - 11 Eastern Arctic Seas. - Recent Sedimentation Environment. - The Laptev Sea. - The East Siberian Sea. - The Chukchi Sea. - History of Sedimentation. - History of Sedimentation in the Laptev Sea During the Late Weichselian to Holocene by Geophysical and Geochemical Data. - Holocene History of the Lena and Other Rivers Discharge in the Laptev Sea. - Organic Geochemical Data About Sedimentation History Along the Continental Slope of the East Siberian Sea During the Last Climatic Cycle. - Preliminary Data About Accumulation of Diatom-Bearing Clayey Silts at the Chukchi Sea Shelf. - 12 Seas of the Eastern Subarctic. - Recent Sedimentation Environment. - History of Sedimentation. - History of Sedimentation in the Deep-Water Part of the Shirshov Ridge (Bering Sea) During the Last Three Marine-Isotope Stages. - History of Sedimentation in the Northern Sea of Okhotsk During the Last 1.1 Ma. - PART III THE LATE PLEISTOCENE PALEOGEOGRAPHIC EVENTS OF NORTHERN EURASIA AND HISTORY OF SEDIMENTATION IN THE SUBARCTIC SEAS AND THE ARCTIC OCEAN IN RELATION TO THE NORTHERN HEMISPHERE GLACIATION DURING THE LAST CLIMATIC CYCLE. - 13 Characteristic Features of the Mikulino Landscapes. - 14 Results of Paleoclimate Studies. - 15 Particularities of Sedimentation Processes Within the Continental Blocks and Marine Basins. - Deglaciation Peculiarities. - Facies Variability during Glaciations, Deglaciations, Interglacials. - Geological History of the Arctic Ocean Sea Ice during the Last 60 ka. - Intercoupling of Atmo-, Hydro-, Cryo-, Bio-, and Lithospheres. - References. - Index.

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 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: 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: 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