technology for the polar regions Sea Ice Drift and Deformation Drift and deformation of sea ice Permafrost Charting the Arctic Tundra Polynias Observation of coastal polynias Snow Accumulation Retrieval

technology for the polar regions Sea Ice Drift and Deformation Drift and Deformation of sea ice Permafrost Charting the Arctic Tundra Polynias Observation of coastal polynias Shelf Ice and Icebergs Mass

technology for the polar regions Sea Ice Drift and Deformation Drift and deformation von sea ices Permafrost Charting the Arctic Tundra Ice Shelves and Icebergs Mass loss of the antarctic ice sheet Snow

), MPI Yakutsk (Melnikov Permafrost Institute), and NEFU (North-Eastern Federal University Yakutsk). Duration: Four Weeks. Goals: Exposed to subaquatic conditions, permafrost thaw occurs exponentially [...] Melnikov Permafrost Institute Yakutsk and ERC PETA-CARB in the eastern Lena Delta (Sobo Sise Island) and on Bykovsky Peninsula. Transport: Helicopter. Duration: Three Weeks. Goals: Sampling of permafrost soils [...] reconstructions, geodetic surveys of subsidence caused by permafrost thaw, bathymetric surveys, installation of temperature sensors in permafrost boreholes and lakes. PETA-CARB participants: Guido Grosse

of permafrost characteristics. In addition to their remoteness and difficult accessibility, all of them are vulnerable to rapid external disturbances due to the presence of very ice-rich permafrost close [...] characteristics of the surrounding permafrost because of the high heat storage capacity of water. A comprehensive inventory of thermokarst lakes in ice-rich permafrost and the documentation of current lake [...] not only very exciting visually but convey important scientific information on the stability of permafrost and changes in the northern the carbon cycle. The Siberian and Alaskan key study regions of the

Arctic Coastal Wetlands Matthias Fuchs Submarine Permafrost Gallery Permafrost Archives Permafrost Outreach Permafrost Change Frozen-Ground Cartoons Permafrost Resources Team Teaching and Education Labs Projects [...] HEIBRiDS Common Grounds – Permafrost Sonification Permafrost Thaw Yedoma Permafrost Landscapes UndercoverEisAgenten CACOON MOSES Nunataryuk ACD GTN-P Lake E Conferences DACH Permafrost Conference ICOP 2016 [...] Education and Teaching Team Alumni Field campaigns Projects Awards Permafrost Research Research Focus Permafrost Modelling Permafrost Coasts Energy and Waterfluxes galleries Time-lapse photography Bayelva

Methane Emissions from Arctic Wetlands (AirMeth) Fig.6: Polar5 flying at low lever over Arctic permafrost. (Photo: Alfred-Wegener-Institut) The atmospheric concentration of methane, a potent greenhouse [...] pattern is shown in Fig.3. Starting from Barrow, long low level flight legs are flown over the permafrost wetland with ascents and descents interspersed for vertical soundings of the boundary layer structure [...] east to west during which the methane concentration accummulates in the boundary layer. Fig.1: Permafrost wetland of the Arctic Coastal Plain near Barrow (Alaska) (Photo: Alfred-Wegener-Institut) Fig.2:

arctic tundra is an unglaciated, treeless landscape characterized by the presence of continuous permafrost. The tundra is vegetated by low vegetation such as grass and sedges, herbs, little bushes, lichens [...] opportunity to receive information about the state of the tundra in large areas near real time. Permafrost in Greenland Geocoded TerraSAR-X scene of Zackenberg valley (© DLR 2013) (Photo: Alfred Wegener

/ NSIDC) (Photo: Alfred Wegener Institut) Remote sensing technology for the polar regions Permafrost Permafrost landscape in the Lena delta (© NASA / Landsat , 2000) (Photo: Alfred Wegener Institut) Charting

the working group Wolfgang Dierking Website Stefanie Linow Topics Sea ice drift and deformation Permafrost Polynias Ice shelf and icebergs Snow accumulation What is remote sensing? Typical for remote sensing [...] research? In our group we focus on the ice sheets of Antarctica and Greenland, on sea ice, and on permafrost regions. Typical questions are: Which sea ice types can be separated in radar images? How do polynyas [...] and deformation? Which sensor combinations are optimal for classification of land cover units in permafrost regions? How can we retrieve snow accumulation rates from satellite data? The results of our analyses