International Workshop on Antarctic Permafrost and Soils November 14 to 18, Madison
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Transcript of International Workshop on Antarctic Permafrost and Soils November 14 to 18, Madison
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International Workshop on Antarctic Permafrost and SoilsNovember 14 to 18, Madison
German Activities on Antarctic Permafrost and Soils
Hans-W. Hubberten
Alfred Wegener Institute for Polar and Marine ResearchPotsdam
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German activities related to permafrost and soils in the past
Blume, Bölter & Chen,Barsch, Stäblein,Mäusbacher,and others
Blume & Bölter
GDR activities(Krüger, Tschochner)E.M.Pfeiffer and AWI
Foto: H.-P. Blume
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SCHIRMACHEROASIS
Present and Future German Activities in Antarctic Permafrost and Soils
KING GEORGEISLAND
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1.1. Permafrost and active layer studies in Victoria Permafrost and active layer studies in Victoria Land, King George Island and Schirmacher Oasis?Land, King George Island and Schirmacher Oasis?
Italian - German CooperationItalian - German Cooperation
Active Layer characteristics across a latitudinal Active Layer characteristics across a latitudinal gradient in Victoria Land (Continental Antarctica) gradient in Victoria Land (Continental Antarctica) as indicator of functional processes in permafrost as indicator of functional processes in permafrost
environments and ecosystems.environments and ecosystems.
*Cannone N.1, Guglielmin M.2, Wagner D.3, Hubberten H.W.3
1 Dept. Environmental Sciences, University Milano-Bicocca, Milano, Italy
2 Science Faculty, University Insubria, Varese, Italy
3Alfred Wegener Institute for Polar and Marine Research, Potsdam, Germany
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permafrostsampling
surfacesampling
sedimen-tology
Transition Glacial - Periglacial
GPR
minera-logy
transportprocesses
LABORATORY WORK
dating
FIELD WORK
paleoenvironmentreconstruction
hydro-chemistry
bio-indicators
lake sediments
sampling
INTERPRETATION
terrestrial sediments
lake sedimentsampling
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GPR sampling:
Glacier forefield studies at Hurd Glacier, Livingston Island
example:
50 m00
5 m
• Target
• Material
• Techniques
• Interpretation
• Results
ice layer
sedimentlayers
2. Permafrost, active layer and microbiological studies on LivingstonIsland in cooperation with Bulgarian Antarctic expedition 2005
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Environmental sample 16S-rDNS
16S-rDNS sequences
probe
gene bank
phylogeny
PCR
cloning
sequencing
analyses
design
FISH
Full-cycle rRNA approach forFull-cycle rRNA approach forSequencing and ProbingSequencing and Probing
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Foto: G. Stoof (Molo)
3. Permafrost and soil studies in Schirmacher Oasis, East Antarctica
Hamburg University (Eva Pfeiffer)AWI Potsdam (D. Wagner, H.-W. Hubberten)
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Carbon and Nitrogen studies in Antarctic soils
Nitrogen and Carbon pools N and C dynamics
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