Kristin Liisa Laidre¹, Stephen Atkinson², Eric V Regehr³, Harry L Stern III⁴, Erik Born⁵, Oystein Wiig⁶, Nicholas Lunn⁷ and Markus Dyck², (1)Polar Science Center, Seattle, WA, United States, (2)Government of Nunavut, NU, Canada, (3)Applied Physics Laboratory University of Washington, Seattle, WA, United States, (4)Univ Washington, Seattle, WA, United States, (5)Greenland Institute of Natural Resources, Greenland, (6)University of Oslo, Oslo, Norway, (7)Environment Canada Edmonton, Edmonton, AB, Canada