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:

order to identify and quantify potential risks for ecosystems and infrastructure emerging from permafrost degradation. Many landforms throughout the Arctic such as thermokarst lakes, thermoerosion gullies [...] the Arctic. In remote and vast Arctic areas satellite and aerial imagery provide insights into permafrost thaw processes on a regional scale which we would not gain from measurements at the surface. Remote [...] sensing component of the project, therefore, addresses the following research questions: 1. How do permafrost erosion features respond to changes in meteorological conditions? 2. What are the factors controlling

further develop the CryoGrid permafrost model and apply it to thermokarst processes in ice-rich permafrost. He also deals with the question of the extent to which the permafrost region in the northern hemisphere [...] help provide a more realistic picture of permafrost thawing. AWI press release original press release Paper entitled "Sensitivity of ecosystem-protected permafrost under changing boreal forest structures [...] the workshop were the impacts of rapid permafrost degradation to the infrastructure and the results, potentials, objectives and plans on modelling of permafrost processes. Furthermore there were sessions

CCI+ Permafrost ESA CCI+ Permafrost The European Space Agency (ESA) Climate Change Initiative (CCI+) provides consistent time series for climate-research related applications. Within CCI+ Permafrost (2018-2021) [...] derived from satellite data. AWI Potsdam is responsible for the Permafrost_cci permafrost product validation. We are assembling the Permafrost_cci und REKLIM data collection of shallow ground temperature [...] Northern hemisphere Permafrost_cci permafrost probability and in situ ground temperature + environmental data collection from a wide range of measurement programs. (right) This Permafrost-cci and REKLIM data

water and sediment samples. Correlations between permafrost distribution and sediment characteristics will help determine the role of subsea permafrost in ecosystem dynamics. Furthermore, the project will [...] this project is to determine the impact of changing land-ocean matter fluxes and coastal subsea permafrost on nearshore ecosystems and biodiversity in the Beaufort Sea. This project will build on recent [...] zone, focusing on how it is impacted by climate change. Investigate the role of recently submerged permafrost in sediment-water gas exchange. In this project, we plan to conduct two campaigns in the spring

(Graphic: Alfred-Wegener-Institut) Global warming and the thawing of permafrost not only lead to destabilization of the soil in the permafrost regions of the Arctic, but also to a tendency to increasingly delimit [...] risk assessment is therefore crucial from an economic as well as ecological point of view. The permafrost model CryoGrid, which has been further developed as part of PermaRisk, is intended to help predict

trace gases from thawing permafrost. The weather in Brandenburg also fluctuates due to long-range atmospheric effects from the Arctic. The north polar seas, coasts and permafrost regions contain unique habitats [...] modular components for cloud observation, analytical and data-based tools for remote sensing in permafrost regions and laboratory equipment for analyzing a wide range of sample series from the atmosphere [...] components of the InnoLab concentrate on the three research fields at the AWI Potsdam in relation to permafrost dynamics , the spatio-temporal variability of polar terrestrial environmental systems and the role

shore of Teshekpuk lake Carson Baughman and Guido drilling a permafrost core in the Ikpikpuk river delta Small peaty and sandy layers in a permafrost core from the Ikpikpuk river delta Guido and Matthias returning [...] drained thaw lake basin View of Finger Rock, one of the many natural sights along the Dalton Highway Permafrost core from the Teshekpuk area Team Ergebnisse Aktuelles Fernerkundung Kohlenstoff Expeditionen PETA-CARB

g., on the composition and spreading of marine sediments, on the substance- and energy flow in permafrost regions, and on the structure and change in the earth's crust and polar ice caps. The necessary [...] personal Awards Our fields of expertise Geophysics Marine Geochemistry Glaciology Marine Geology Permafrost Research 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