Circulation in the Arctic Ocean and the Nordic Seas

continental slopes to the bottom waters of the shallow shelves, some of which contain submarine permafrost and gas hydrates. Offshore-directed winds in winter frequently open leads and polynyas in the ice

High-latitude Vegetation Change

Services of the Taiga-Tundra Ecotone – from the single tree up to community level – from protection of permafrost to carbon allocation Our research methods are Modeling: We simulate the structure and dynamics

Team

current team of the Permafrost Research Section Head of Section Prof. Dr. Guido Grosse Deputy Head of Section Prof. Dr. Hugues Lantuit Prof. Dr. Julia Boike Assistant Melanie Reinhardt Senior Scientists

Potsdam

Here the focus lies on geoscientific studies in periglacial areas at the edge of ice sheets and in permafrost regions, as well as on modelling and experimental investigations on atmospheric processes in the [...] and the Arctic. They increasingly devote themselves to Arctic research - in particular to the permafrost areas of Siberia and the Arctic archipelago of Svalbard – because these regions hold the keys to [...] to the understanding of the climate events in Europe. Site Infos InnoLab for Arctic Research Permafrost Research Atmospheric Physics Polar Terrestrial Environmental Systems How to get here Potsdam is situated

Samoylov

special focus on the interaction of permafrost landscapes with recent climate warming and its consequences. Numerous long-term measuring stations for monitoring permafrost conditions, micrometeorology, the [...] largest nature reserves. This unique region is crucial for understanding the processes that influence permafrost in the Siberian Arctic. The station, operated by the Trofimuk Institute of Oil and Gas Geology [...] Marine Research, the Arctic and Antarctic Research Institute in St. Petersburg and the Melnikov Permafrost Institute, Siberian Department, Russian Academy of Sciences in Yakutsk. The aim of the fieldwork

LTO Samoylov

(Photo: Julia Boike) Observational data density in the permafrost region is low. At the Samoylov site in the Lena River Delta, Siberia, the mean permafrost temperature was −8 °C, with a zero-amplitude depth [...] layer, temperature down to 26 m in the permafrost. Since the data provide observations of temporally variable parameters that mitigate energy fluxes between permafrost and atmosphere, they are suitable for [...] for use in integrating, calibrating and testing permafrost as a component in earth system models. Science: Prof. Dr. Julia Boike Technique: Niko Bornemann Data and Publications: LTO-Trendviewer LTO-Data

Permafrost

the permafrost – with a host of grave consequences. Typical permafrost landscape in Yukon, Canada (Photo: Alfred-Wegener-Institut) What does permafrost look like? Some landscapes in the permafrost regions [...] Can permafrost only be found on land? How deep does the permafrost go? To what depth does it thaw in summer? Why is thawing permafrost important for the climate? How much carbon does the permafrost contain [...] How fast is the permafrost thawing? Why are permafrost coasts increasingly collapsing? How is the thawing permafrost affecting people living in these regions? How is the thawing permafrost affecting economies

Social impacts of thawing permafrost

The thawing of permafrost poses various endangerments to the Arctic environment and the livelihoods of people. An international team examined the social risks for Arctic regions and identified five key risks related to infrastructure, transport and supply, water quality, food security and health. Press release of the University of Vienna

Polar Terrestrial Environmental Systems

(rechts) Die Permafrost_cci und REKLIM Datenkollektion bringt alle Daten nach dem 3 Layer Konzept für Permafrost Landschaften zusammen: 2 Schichten repräsentieren die Auftauschicht und den Permafrost und beide [...] Berlin – Remote Sensing Image Analysis Group: Prof. Dr. Begüm Demir (Projekt B) ESA CCI+ Permafrost ESA CCI+ Permafrost Im European Space Agency (ESA) Climate Change Initiative (CCI+) Programm werden konsistente [...] er-Äquivalent angetrieben. AWI Potsdam ist verantwortlich für die Permafrost_cci Produkt-Validierung. Dafür stellen wir die Permafrost_cci und REKLIM Bodentemperatur-Kollektion aus Temperaturmessungen

Ocean Warming and Thawing Permafrost Reduce the Arctic Ocean's Biological Carbon Storage and CO2 Uptake

primary production) over the past two decades, according to remote-sensing studies. At the same time, permafrost thaw is accelerating due to warming, releasing more nutrients and carbon into the Arctic Ocean