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

(atmosphere, ocean, ice and land), Coastal and Shelf Sea Systems, Terrestrial Arctic Ecosystems and Permafrost, Marine and Polar Life, Aquaculture, Bionics. The projects are designed to support AWIs contribution

Permafrost Remote Sensing Profile Permafrost landscape dynamics are intensifying in rapidly warming Arctic-Boreal high northern latitude regions. Relying on field studies we observed and understand a wide [...] continuous time series data of land cover change, permafrost landscape change, or other environmental dynamics. We particularly focus on permafrost region landscape characteristics, land cover change [...] Friedrich Röseler Annabeth McCall Carl Stadie Guest: Kathrin Maier Projects FLO CHAR ESA Permafrost CCI ESA GlobPermafrost ERC PETA-CARB (2013-2018) IPA Action Group - The Yedoma Region

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

framework of the International Continental Scientific Drilling Program ( ICDP ). In autumn 2008, a permafrost borehole was drilled next to the western shore of the lake, and in spring 2009, we drilled from

data sets (soil temperatures, active layer thickness, soil temperatures, and permafrost extent). Sensitivity of the permafrost representation with respect to soil texture, soil organic matter, and snow thermal [...] Conductivity Schemes on pan-Arctic Permafrost Dynamics in CLM5.0, EGUsphere [preprint], doi.org/10.5194/egusphere-2024-1412 Damseux, A.,2024: Improving permafrost dynamics in land surface models: [...] Community Earth System Model (CTSM) ( github.com/ESCOMP/CTSM ). It is used in modelling permafrost-related processes in the Arctic. It has replaced our earlier research with CLM4.5 ( Matthes et

Putting permafrost in the classroom The Arctic’s permanently frozen soils are increasingly thawing – with far-reaching consequences for the climate and for people living in the region. Together with partner [...] schoolchildren from Aklavik, Canada are helping the Alfred Wegener Institute gather valuable data on permafrost. By doing so, they’re improving the joint understanding of the changes at work on their doorstep [...] has consequences for the day-to-day lives of the roughly five million people who live atop the permafrost. Entire sections of coastline are washed away by the sea, while elsewhere the ground collapses

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

making permafrost visible. Permafrost Change What are the effects of a warmer climate on permafrost? Find out more The sound of data Art and Science, an enhancing connection. Find out more Permafrost Resources [...] Why does permafrost matter? illustration of permafrost thaw and climate change during the Long Night of Sciences (Photo: Alfred-Wegener-Institut) Currently we see glaciers melting and observe how sea ice [...] mostly unrecognized. Creating awareness for the processes of permafrost thaw, is our motivation. We want to show what happens, when permafrost thaws - what it means to ecosystems and people living in the

G. Lohmann, N. Steinert, S. Stuenzi, M. Werner, S. Westermann, M. Langer, 2024: No respite from permafrost-thaw impacts in absence of a global tipping point. Nature Climate Change www.nature.co [...] C. Contoux, M. Chandler, N Tan, Q Zhang, S Hunter, Y Kamae 2023: Highly restricted near-surface permafrost extent during the mid-Pliocene warm period. Proceedings of the National Academy of Sciences, 120