ALBERT

Note: Contents: Preface / Wolf Dieter Blümel, Jörn Thiede and Ruth Narmann. - Acknowledgements. - Aims of the Leopoldina Symposium on Russian-German Cooperation in the Scientific Exploration of Northeastern Eurasia: A Personal and Eclectic View / Jörn Thiede. - Welcome Speech / Nikolay M. Kropachev. - Welcome Address / Wolf Dieter Blümel. - LEOPOLDINA LECTURE. - From Lomonosov to Modern Times: Eclectic History of Russian-German Cooperation in the Scientific Exploration of High Northern Latitudes / Jörn Thiede. - EXTENDED CONTRIBUTIONS. - Research Infrastructure in Northern Sibiria. - The Zotino Tall Tower Observatory (ZOTTO): Quantifying Large Scale Biogeochemical Changes in Central Siberia / Martin Heimann, Ernst-Detlef Schulze, Jan Winderlich, Meinrat O. Andreae, Xuguang Chi, Christoph Gerbig, Olaf Kolle, Karl Kubler, Jost Lavric, Eugene Mikhailov, Alexey Panov, Sungbin Park, Christian Rodenbeck and Andrej Skorochod. - The New Arctic Research Station "Samoylov Island" in the Lena Delta: Prospects of Joint Russian-German Studies / Hans-Wolfgang Hubberten and Mikhael N. Grigoriev. - Methods of Radiochronology of Quaternary Sediments: Modern Approaches and Results of Studies / Vladislav Y. Kuznetsov. - SESSION 1. - Summary. - Environmental Change in Northern Eurasia in Real Time / Session Chair: Jörn Thiede. - Sedimentation history in the Lena Delta, Northern Siberia / Georg Schwamborn, Volker Rachold, Mikhail Grigoriev and Matthias Krbetschek. - Hydrology of the Lena River Delta / Irina V. Fedorova, Antonia A. Chetverova, Dmitry Yu. Bolshiyanov, Aleksandr S. Makarov, Julia Boike, Anne Morgenstern and Birgit Heim. - Advanced process-based hydrological modelling as an effective tool for assessment of changes of the Arctic Environment in different temporal and spatial scales / Olga Semenova and Lyudmila S. Lebedeva. - Shelf-basin exchange in the Laptev Sea in the warming climate: the joint roles of atmospheric forcing and hydrography / Vladimir Ivanov, Ekaterina Chernyavskaya, Pavel Maslov, Yevgeny Aksenov and Beverly Cuevas. - Distribution of sea ice derived brine signals from the Siberian shelf area based on stable oxygen isotope and salinity data / Irina Semeryuk and Dorothea Bauch. - SESSION 2. - Summary. - Continental Siberia: dynamics of permafrost landscapes and carbon fluxes / Session Chair: Mikhael N. Grigoriev. - Genesis and age of pingo structures in the Lena Delta, Northeast Siberia / Anna A. Urban. - Content and distribution of trace metals in permafrost-affected soils of Northern Siberia, Russia / Iulia Antcibor, Annette Eschenbach, Lars Kutzbach, Dmitry Bolshiyanov and Eva-Maria Pfeiffer. - Carbon stocks in permafrost-affected soils in the Lena River Delta / Sebastian Zubrzycki, Alexey R. Desyatkin, Lars Kutzbach and Eva-Maria Pfeiffer. - Microbial methane driving processes in Siberian Arctic and Sub-Arctic cryosols / Svetlana Evgrafova and Dirk Wagner. - The latest tectonic movements in key areas on the coasts and islands of the Laptev Sea / Alisa V. Baranskaya. - Erosion rates and terrigenous sediment fluxes in the Lena Delta Region (East Siberian Arctic) / Mikhail N. Grigoriev. - Nitrogen availability, turnover and limitation in permafrost affected soils of Samoylov Island in the Lena Delta, Northeast Siberia / Tina Sanders, Claudia Fiencke and Eva-Maria Pfeiffer. - Sedimentological studies of high latitude lake sediments aimed at palaeoenvironmental reconstructions: an example from the Lena Delta Hinterland / Polina S. Vakhrameeva, Boris K. Biskaborn, Dmitry Yu. Bolshiyanov, Bernhard Diekmann, Larissa A. Savelieva and Dmitry A. Subetto. - Palynological characteristics of lower Yenisey quaternary deposits / Valentina A. Chetverova, Luda G. Derevyanko and Evgeny A. Gusev. - SESSION 3. - Summary. - The paleoenvironmental history of Siberian permafrost landscapes / Session Chair: Hans-Wolfgang Hubberten. - Vegetation history of the lower Lena River from pollen records of lake sediments / Larissa Savelieva, Dmitry Yu. Bolshiyanov, Ulrike Herzschuh, Polina S. Vakhrameeva, Boris Biskaborn and Bernhard Diekmann. - Climate and vegetation of late pleistocene in the east Siberian Arctic based on pollen data from Bol'shoy Lyakhovsky Island / Natalya A. Rudaya, Andrei Andreev, Sebastian Wetterich and Lutz Schirrmeister. - Evolution of thermokarst lakes and alasses in the ice-rich permafrost of the Lena River Delta / Anne Morgenstern, Frank Günther, Mathias Ulrich, Irina V. Fedorova, Natalya A. Rudaya, Julia Boike and Lutz Schirrmeister. - Late pleistocene and holocene vegetation history deduced from palynological investigations of the permafrost records of the El'gygytgyn impact crater / Elena Raschke, Andrei Andreev, Grigory Fedorov, Georg Schwamborn and Lutz Schirrmeister. - Tracking environmental change using invertebrate bioindicators from the lakes of Yakutia (Siberia, Russia) / Larisa B. Nazarova, Oleg N. Tumanov, Ulrike Herzschuh, Larisa A. Frolova and Lyudmila A. Pestryakova. - Palaeoenvironmental investigations and reconstructions in Northern Russia using subfossil Cladocera (Branchiopoda, Crustacea) / Larisa A. Frolova, Liliya I. Gafiatulina, Larissa B. Nazarova and Sebastian Wetterich. - SESSION 4. - Summary. - Siberian shelf seas and the adjacent Arctic Ocean / Session Chair: Heidemarie Kassens. - Oceanography of the Laptev Sea / Bennet Juhls, Sergey A. Kirillov, Jens Hölemann, Leonid A. Timokhov, Heidemarie Kassens, Birgit Heim, Andrey Novikhin and Markus Janout. - Summer sediment transport dynamics on the Laptev sea shelf (Siberian Arctic) / Carolyn Wegner, Kerstin Wittbrodt, Dorothea Bauch, Jens A. Hölemann, Markus Janout, Andrey Novikhin, Birgit Heim, Sergey Kirillov, Heidemarie Kassens and Leonid Timokhov. - Living and fossil microalgae from the Eurasian Arctic Seas as indicators of modern and past environmental changes / Yelena Polyakova, Irina Kryukova, Tatiana Klyuvitkina, Yekatherina Novichkova and Nataliya Manko. - Past environmental transformation of the Laptev Sea continental margin and water mass changes since last deglacial times / Ekaterina Taldenkova, Natalia Chistyakova, Henning A. Bauch, Anna Stepanova, Yaroslav Ovsepyan and Robert F. Spielhagen. - A multiproxy reconstruction of the last interglacial environmental conditions in northern Russia / Henning A. Bauch, Yaroslav Ovsepyan, Ekaterina Taldenkova, Anna Stepanova and Olga Rudenko. - Holocene variability of Atlantic water advection to the Arctic Ocean / Robert F. Spielhagen, Kirstin Werner, Natalia Chistyakova and Ekaterina Taldenkova. - Ecological and geographical characteristics of phytoplankton in the Eastern Laptev Sea (Autumnal Season 2008) / Irina Kryukova, Yelena Polyakova, Ekaterina Abramova, Fedor Martynov, Andrey Novikhin, Heidemarie Kassens and Jens Hölemann.

Note: Table of Contents PROLOGUE The Geological History of Cenozoic Polar Oceans: Arctic Versus Antarctic - An Introduction / U. Bleil, and J. Thiede PHYSIOGRAPHY AND PLATE TECTONICS OF THE POLAR DEEP-SEA BASINS AND THEIR CONTINENTAL MARGINS Morphology and Plate Tectonics: The Modern Polar Oceans / G. L. Johnson The Opening of the Arctic Ocean / L. A. Lamer, R. D. Müller, S. P. Srivastava, and W. Roest On the Tectonic Evolution and Paleoceanographic Significance of the Fram Strait Gateway / Y. Kristoffersen The Evolution of the Svalbard Margins: Synthesis and New Results / E. Sundvor, and A. Austegard The Western Barents Sea During the Cenozoic / T. O. Vorren, G. Richardsen, S.-M. Knutsen, and E. Henriksen Structures in Rift-Basin Sediments on the Conjugate Margins of Western Tasmania, South Tasman Rise, and Ross Sea, Antarctica / K Him, M. Hemmerich, U. Salge, and O. Eiken A Fine-Scale Seismic Stratigraphy of the Eastern Margin of the Weddell Sea / H. Miller, J. P. Henriet, N. Kaul, and A. Moons Some Speculations Regarding the Nature of the Explora-Andenes Escarpment, Weddell Sea / J. P. Henriet, and H. Miller POLAR ICE - COVERS AS GEOLOGICAL AGENTS A Comparison of Arctic and Antarctic Sea Ice and the Effects of Different Properties on Sea Ice Biota / M. Spindler Sea Ice Characteristics and the Role of Sediment Inclusions in Deep-Sea Deposition: Arctic - Antarctic Comparisons / Pfirman, M. A. Lange, I. Wollenburg, and P. Schlosser Cycles, Rhythms, and Events in Quaternary Arctic and Antarctic Glaciomarine Deposits / R. Henrich Cenozoic Glacier Fluctuations in Polar Regions - Terrestrial Records From Antarctica and the North Atlantic Sector of the Arctic / B. G. Andersen Past Changes in Precipitation Rate and Ice Thickness as Derived From Age-Depth Profiles in Ice-Sheets; Application to Greenland and Canadian Arctic Ice Core Records / N. Reeh Stability of the Arctic Ocean Ice-Cover and Pleistocene Warming Events: Outlining the Problem / D. L. Clark Late Weichselian Ice Recession in the Central Barents Sea / A. Elverhøi, M. Nyland-Berg, L. Russwurm, and A. Solheim MODERN DEPOSITIONAL ENVIRONMENTS OF POLAR OCEANS Distribution Patterns of Calcareous Foraminifers in Arctic Ocean Sediments / N. V. Befyaeva, and T. A. Khusid Physiographic and Biologic Factors Controlling Surface Sediment Distributionin the Fram Strait / H. Berner, and G. Wefer Norwegian - Iceland Seas: Transfer Functions Between Marine Planktic Diatoms and Surface Water Temperature / H. Schroder, and N. Koc Karpuz Particle Sedimentation and Productivity in Antarctic Waters of the Atlantic Sector / G. Wefer, G. Fischer, D. K Futterer, R Gersonde, S. Honjo, and D. Ostermann Sediment Patterns in the Southern Weddell Sea: Filchner Shelf and Filchner Depression / D. K. Futterer, and M. Melles QUATERNARY HISTORY AND PALEOCEANOGRAPHY OF POLAR OCEANS The Last Deglaciation in the Southern and Northern Hemispheres: A Comparison Based on Oxygen Isotope, Sea Surface Temperature Estimates, and Accelerator 14C Dating From Deep-Sea Sediments / E. Bard, L. D. Labeyrie, J.-J. Pichon, M. Labracherie, M. Arnold, J. Duprat, J.Moyes, and J.-C. Duplessy Synthesis of Arctic and Sub-Arctic Coccolith Biochronology and History of North Atlantic Drift Water Influx During the Last 500.000 Years / G. Gard, and J. Backman Coccoliths in Sediments of the Eastern Arctic Basin / M. Baumann Foraminiferal Assemblages in Sediments From Mendeleev Ridge, Arctic Ocean / N. V. Befyaeva, and T. A. Khusid Physical and Acoustic Properties of Arctic Ocean Deep-Sea Sediments: Paleoclimatic Implications / J. Mienert, L. A. Mayer, G. A. Jones, and J. W. King High Resolution 10Be and 230Th Stratigraphy of Late Quaternary Sediments From the Fram Strait (Core 23235) / A. Eisenhauer, A. Mangini, R Botz, P. Walter, J. Beer, G. Bonani,M. Suter, H. J.Hofmann, and W. Wölfli The Enigma of Oxygen Isotope Stage 5 in the Central Fram Strait / S. E. I. Kohler, and R F. Spielhagen Dropstones in the Norwegian-Greenland Sea - Indications of Late Quaternary Circulation Patterns? / J. Bischof Glacial to Interglacial Changes in the Isotopic Gradients of Southern Ocean Surface Water / C. D. Charles, and R G. Fairbanks Stable Isotope Record and Late Quaternary Sedimentation Rates at the Antarctic Continental Margin / H. Grobe, A. Mackensen, H.-W. Hubberten, V. Spiess, and D.K Futterer PRE-QUATERNARY RECORDS OF POLAR OCEAN HISTORY Evolution of Biosiliceous Sedimentation Patterns - Eocene through Quaternary: Paleoceanographic Response to Polar Cooling / J. G. Baldauf, and J. A. Barron Neogene to Recent Palynostratigraphy of Circum-Arctic Basins: Results of ODP Leg 104, Norwegian Sea, Leg 105, Baffin Bay, and DSDP Site 611, Irminger Sea / P.J. Mudie, A. de Vernal, and M.J. Head Miocene to Quaternary Paleoceanography in the Northern North Atlantic: Variability in Carbonate and Biogenic Opal Accumulation / G. Bohrmann, R Henrich, and J. Thiede Neogene and Pleistocene Glaciations in the Northern Hemisphere and Late Miocene - Pliocene Global Ice Volume Fluctuations: Evidence From the Norwegian Sea / E. Jansen, J. Sjoholm, U. Bleil, and J. A. Erichsen Southern Ocean Response to the Intensification of Northern Hemisphere Glaciation at 2.4 Ma / D. A. Hodell, and P. F. Ciesielski Pliocene - Pleistocene Paleoceanography in the Weddell Sea - Siliceous Microfossil Evidence / A. Abelmann, R. Gersonde, and V. Spiess Polar Front Fluctuations and the Upper Gauss to Brunhes Paleoceanographic Record in the Southeast Atlantic Ocean / F. Westall, and J. Fenner Authors Index Subject 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: Inhalt Faszination Polarforschung - ein Geleitwort / Jörn Thiede Vorwort / Christine Reinke-Kunze Der Albatros / Charles Baudelaire Die denkwürdigen Erlebnisse des Arthur Gordon Pym / Edgar Allan Poe (14.-18. Kapitel) Anreise Ende der Wochenberichte und Abreise Die Sommerkampagne 1990 / Eberhard Kolberg Ein Kontinent der Wissenschaft / Max Tilzer Überwinterungen in der Antarktis / Heinz Kohnen Eine Forschungsstation wird gebaut / Dietrich Enß Daten und Fakten Der Antarktisvertrag Umweltschutzprotokoll zum Antarktisvertrag Das Alfred-Wegener-Institut für Polar- und Meeresforschung (AWI) Das Forschungsschiff Polarstern Die Georg-von-Neumayer-Station (GvN) Georg Balthasar Neumayer Zeittafel