Simone Maria Stünzi^1,2, Moritz Langer^1,2, Julia Boike^2,3, Stefan Kruse^1,4 and Ulrike Herzschuh^1,4, (1)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Potsdam, Potsdam, Germany, (2)Humboldt University of Berlin, Department of Geography, Berlin, Germany, (3)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Potsdam, Permafrost Research, Potsdam, Germany, (4)University of Potsdam, Institute for Earth and Environmental Science, Potsdam, Germany