Johnny Ryan¹, Laurence C Smith¹, Mengxi Wu², Clément Miège³, Lynn Montgomery⁴, Lora Koenig⁵, Xavier Fettweis⁶, Brice Noel⁷ and Michiel R van den Broeke⁸, (1)Brown University, Providence, RI, United States, (2)Brown University, Earth, Environmental and Planetary Sciences, Providence, RI, United States, (3)University of Utah, Salt Lake City, UT, United States, (4)University of Colorado Boulder, Boulder, United States, (5)NSIDC, Boulder, CO, United States, (6)University of Liège, Liège, Belgium, (7)Institute for Marine and Atmospheric Research Utrecht, Utrecht, Netherlands, (8)Utrecht University, Institute for Marine and Atmospheric Research Utrecht, Utrecht, Netherlands