The Challenge Yedoma cliff (Photo: Alfred Wegener Institut) Arctic permafrost deposits are estimated to freeze-lock as much carbon in the atmosphere, allowing a potentially significant climate warming [...] current Earth System Models so far. Project Objectives and Results Landsat true color image (Photo: Alfred Wegener Institut) Data on the spatial distribution of soil carbon pools and their vulnerability to rapid [...] additionally supported by the Helmholtz Association with special funds for successful ERC grants. The Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research, in particular the Periglacial Research