Federico Covi¹, Regine Hock¹, Carleen Reijmer², Asa K Rennermalm³ and Marco Tedesco^4,5, (1)University of Alaska Fairbanks, Fairbanks, AK, United States, (2)Institute for Marine and Atmospheric Research, Utrecht University, Utrecht, Netherlands, (3)Rutgers University, New Brunswick, NJ, United States, (4)Lamont-Doherty Earth Observatory, Columbia University, Palisades, NY, United States, (5)NASA Goddard Institute for Space Studies, New York, NY, United States