Jordi Cristobal¹, Rudiger Gens², Anupma Prakash³, Kirsty Langley⁴, Martha Anderson⁵, William P Kustas⁶, Jakob Abermann⁴, Eugenie Susanne Euskirchen², Thomas Friborg⁷ and Birger Ulf Hansen⁸, (1)Geophysical Institute Fairbanks, Fairbanks, AK, United States, (2)University of Alaska Fairbanks, Fairbanks, AK, United States, (3)Univ Alaska Fairbanks, Fairbanks, AK, United States, (4)Asiaq, Greenland Survey, Nuuk, Greenland, (5)USDA ARS Hydrology and Remote Sensing Laboratory, Beltsville, MD, United States, (6)U. S. Department of Agriculture, Agricultural Research Service, Hydrology and Remote Sensing Laboratory, Beltsville, MD, United States, (7)University of Copenhagen, Department of Geosciences and Natural Resource Management, Copenhagen, Denmark, (8)University of Copenhagen, Department of Geosciences and Natural Resource Management, Copenhagen, Denmark