ALBERT

Anmerkung: Enthaltener Beitrag: Russian-German cooperation System Laptev Sea : the expedition Lena-Anabar 2003 / edited by Lutz Schirrmeister, Mikhail N. Grigoriev, Lars Kutzbach, Dirk Wagner and Dmitry Yu. Bolshiyanov , Enthaltener Beitrag: The Russian-German TRANSDRIFT IX Expedition of RV "Ivan Kireyev" 2003 / edited by Carolyn Wegner, Jens Hölemann and Vladimir Churun , Contents for "Russian-German cooperation System Laptev Sea : the expedition Lena-Anabar 2003" 1 Introduction 2 Expedition itinerary and general logistics 3 Ecological studies on permafrost soils and landscapes of the central Lena Delta6 3.1 Aims and study area 3.2 Energy and water budget of permafrost soils – long time soil survey station on Samoylov Island 3.3 Micrometeorological measurements of energy, water, and carbon exchange between Arctic tundra and the atmosphere 3.3.1 Introduction 3.3.2 Experimental set-up 3.3.3 The observation period 2003 3.3.3.1 Wind characteristics 3.3.3.2 Meteorological conditions 3.3.3.3 Turbulent fluxes 3.4 Microbial process studies on methane fluxes from permafrost environments 3.4.1 Introduction 3.4.2 Methane emission and microbial methane production 3.4.2.1 Methods and field experiments 3.4.2.2 Preliminary results 3.4.3 Process studies on methane oxidation 3.4.3.1 Introduction and objectives 3.4.3.2 Methods and field experiments 3.4.3.3 Preliminary results 3.4.4 Further investigations 3.5 Studies on recent cryogenesis 3.6 Seasonal progression of active-layer thickness dependent on microrelief 3.6.1 Introduction 3.6.2 Methods 3.6.3 First results 3.7 Air photography and surface classification of Samoylov Island 3.8 Hydrobiological investigations in the Lena Delta in summer 2003 3.8.1 Objectives 3.8.2 Research tasks 3.8.3 Material and methods 3.8.4 Preliminary results 3.9 Appendices Appendix 3-1 Collected variables determined by direct measurements within the micrometeorological campaign Samoylov, 2003 Appendix 3-2 Variables derived from calculations within the micrometeorological campaign Samoylov, 2003 Appendix 3-3 Constants required in calculations Appendix 3-4 List of samples for methane emission and microbial methane production studies Appendix 3-5 List of soil samples for methane oxidation studies 3.10 References 4 Periglacial studies around Cape Mamontov Klyk 4.1 Introduction 4.2 Geological and geographical background 4.3 Geomorphologic route along the Urasalakh River 4.3.1 Structure of Quaternary deposits along the Urasalakh River valley 4.3.2 Geomorphologic structure of the valley 4.3.3 Studies of lakes 4.4 Multi-sensor optical remote sensing of periglacial tundra landscapes 4.4.1 Research aim 4.4.2 Satellite data 4.4.3 General geomorphology in the Lena-Anabar interfluve 4.4.4 Geomorphology in the investigation area near Cape Mamontov Klyk 4.4.5 Field data 4.4.6 Tachymetric survey of periglacial surface features 4.4.7 Characterisation in situ surface properties with a soil probe at a typical elevated Edoma plain 4.5 Methane-related studies on recent tundra soils 4.5.1 Introduction and objectives 4.5.2 Methods 4.5.3 First results 4.6 The coastal section of Cape Mamontov Klyk 4.6.1 General profile 4.6.2 Cryolithological studies of permafrost deposits 4.6.2.1 The first composite profile 4.6.2.2 The second composite profile 4.6.2.3 Additional sampled subprofiles 4.6.3 Ice wedges of Cape Mamontov Klyk 4.6.3.1 Introduction 4.6.3.2 The ice wedges in the lower sands (Unit A) and in the sand-peat-complex (Unit B) 4.6.3.3 Ice wedges of the Late Pleistocene Ice Complex (Unit C) and of Holocene deposits (Unit D) 4.6.3.4 Ground ice of unknown origin 4.6.3.5 Ice wedge section west of the Nuchcha Dzhiele River mouth 4.6.3.6 General interpretation of the sampled profile 4.6.4 Geomicrobiological studies 4.6.4.1Introduction and objectives 4.6.4.2 Methods 4.6.4.3 First results: Methane content of permafrost samples 4.6.5 Paleontological studies 4.7 Studies of coastal dynamics and sub sea permafrost 4.7.1 Preliminary results of sub-sea permafrost drilling in the near-shore zone (spring 2003) 4.7.1.1 Introduction and background 4.7.1.2 Methods and preliminary results 4.7.1.3 Further investigations 4.7.2 Measurements of the coast relief in the area of Cape Mamontov Klyk and ice and sediment sampling 4.7.2.1 Introduction 4.7.2.2 Methods 4.7.2.3 Preliminary results 4.7.2.4 Further investigations 4.7.3 Shore face profiles in the area of Cape Mamontov Klyk: echo sounding, seawater and sea bottom deposits sampling 4.7.3.1 Introduction 4.7.3.2 Methods 4.7.3.3 Preliminary results 4.7.3.4 Further investigations 4.8 References 4.9 Appendices Appendix 4-1. Surface parameters for the studied geolocated sites around Cape Mamontov Klyk Appendix 4-2. Active layer data of the geo-located sites Appendix 4-3. List of soil samples (active layer); collected in the coastal lowland Appendix 4-4. List of permafrost sediment and paleosol samples for microbiological, molecular biological and biochemical analyses Appendix 4-5. List of sediment samples Appendix 4-6. List of ice and water samples Appendix 4-7. Collection of bone samples , Content for "The Russian-German TRANSDRIFT IX Expedition of RV "Ivan Kireyev" 2003" 1. Process Studies on Permafrost Dynamics in the Laptev Sea – An Introduction 2. The TRANSDRIFT IX Expedition: Process studies on submarine permafrost dynamics in the Laptev Sea 3. Motivation: Deployment of two seafloor observatories 4. Recent stability factors of submarine permafrost 4.1 Working program 4.2 Preliminary results 5. Hydrochemical structure of the water column 5.1 Working program 6. Diversity of nitrifying bacteria in submarine permafrost 6.1 Working program 6.2 Preliminary Results 7. Appendix: Station list of the TRANSDRIFT IX (IK03) expedition 8. References