ground surface conditions is crucial for monitoring the thermal state of permafrost and dynamics in active layer thickness. Permafrost degradation affects ecosystems, communities and industrial sites in large [...] the evolution of permafrost under these conditions is of great importance. Due to an often-prevailing harsh climate in these vast areas, observational data sets are sparse. Permafrost itself is a sub-surface [...] which seasonal snow cover has on the ground surface, strongly affects the permafrost’s thermal regime and active 1Permafrost is defined as any material beneath the ground surface that remains frozen for

2016]. Methodology The study area close to Prudhoe Bay, Alaska lies within the zone of continuous permafrost and is char- acterized by high ground ice contents. The landscape displays vast natural and hu [...] Westermann, J. Boike, G. Kirillin, G. Grosse, S. Peng & G. Krinner [2016]: Rapid de- gradation of permafrost underneath waterbodies in tundra landscapes – Toward a representation of thermokarst in land surface

in the region. In August 2016, the town Point Lay in Alaska lost its nearby lake. Due to thawing permafrost soils, the lake had steadily lost stability and ultimately drained entirely into the Kokolik River

ice loss, more waves, thawing permafrost Impacts on people Arctic coastline erosion • Community relocation Kivalina, Alaska. Blair Shishmaref, Alaska. USGS Eroding permafrost coastline in Siberia. P. Overduin

large-scale components of the Earth, like the ice sheets and ocean circulation, boreal forest and permafrost. We strive to increase our understanding of the relevant processes driving dynamics within these

and refreezes there, for example as a ice vein in a frost crack. When we take samples from the permafrost today and analyse the isotope ratio of the ground ice in our laboratory, we also make this fingerprint [...] Environmental Systems Past Climate Change ISOLAB Facility - Stable Isotope Laboratory Potsdam Permafrost research at the AWI Glaciological research at the AWI Sample preparation: it couldn't be cleaner

should be protected now to enable tundra biodiversity and related ecosystem services, including permafrost protection, to survive the future warming peak?” and “How can conservation planning help resolve [...] should be protected now to enable tundra biodiversity and related ecosystem services, including permafrost protection, to survive the future warming peak?” and “How can conservation planning help resolve

February 1st, 2025, Carolina Voigt and her junior researcher group COLDSPOT will be established in the Permafrost section. The junior researcher group deals with CH4 and N2O www.uni-potsdam.de/de/umwe

provision of natural resources. AWI focuses on understanding the rapid changes in Arctic-Boreal permafrost regions and their global impact. Topic 6: Marine and Polar Life How will global change impact marine

research the atmosphere, ice, oceans and coasts. They explore the deep seas, the glaciers and the permafrost soils of the polar regions first-hand. And they analyse data from climate archives like sediment