Erin C Pettit¹, Genevieve Sauret², Lucy Wanzer², Karen E Alley³, Ken Zhao⁴, Michelle Maclennan⁵, Martin Truffer⁶, Meghan A Sharp², Anna Wahlin⁷, Christian Wild⁸, Atsuhiro Muto⁹, Naomi Ochwat¹⁰, Tasha Snow¹¹ and TARSAN Team, (1)Oregon State University, College of Earth, Ocean, and Atmospheric Sciences, Corvallis, OR, United States, (2)Oregon State University, College of Earth, Ocean, and Atmospheric Sciences, Corvallis, United States, (3)University of Manitoba, Department of Environment and Geography, Winnipeg, MB, Canada, (4)UC San Diego, Scripps Institution of Oceanography, La Jolla, United States, (5)NERC British Antarctic Survey, Cambridge, United Kingdom, (6)University of Alaska Fairbanks, Geophysical Institute, Fairbanks, AK, United States, (7)University of Gothenburg, Department of Marine Sciences, Gothenburg, Sweden, (8)University of Tübingen, Department of Geosciences, Tübingen, Germany, (9)The Pennsylvania State University, University Park, PA, United States, (10)Cooperative Institute for Research in Environmental Sciences, Boulder, United States, (11)NASA Goddard Space Flight Center, Cryospheric Sciences Laboratory, Greenbelt, United States