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

SCHIRMACHEROASIS

Present and Future German Activities in Antarctic Permafrost and Soils

KING GEORGEISLAND

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

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

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

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