In-situ validation of remotely sensed land surface temperatures in high-arctic land regions – implications for gap filling and trend analyses

Sebastian Westermann1, Moritz Langer2, Torbjorn Ostby3, Julia Boike4, Thomas Schuler1 and Bernd Etzelmuller1, (1)University of Oslo, Department of Geosciences, Oslo, Norway, (2)Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research, Permafrost Research Section, Potsdam, Germany, (3)University of Oslo, Department of geosciences, Oslo, Norway, (4)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Potsdam, Potsdam, Germany