Ellen Buckley¹, Sinéad Louise Farrell¹, Kyle Duncan² and Ute C Herzfeld³, (1)University of Maryland College Park, College Park, MD, United States, (2)University of Maryland, Earth System Science Interdisciplinary Center, College Park, MD, United States, (3)Univ Colorado Boulder, Electrical, Computer and Energy Engineering and CIRES, Boulder, CO, United States

Richard Dworak, University of Wisconsin Madison, Madison, WI, United States, Yinghui Liu, NOAA/NESDIS, Madison, WI, United States and Jeff Key, NOAA/NESDIS/STAR, Suitland, MD, United States

Julienne Christine Stroeve¹, Vishnu Nandan², Rosemary C Willatt³, Rasmus T Tonboe⁴, Stefan Hendricks⁵, Robert Ricker⁵, James Mead⁶, Marcus Huntemann⁷, Polona Itkin⁸, Martin Schneebeli⁹, Daniela Krampe⁵, Gunnar Spreen⁸, Jeremy Wilkinson¹⁰, Ilkka Matero⁵, Mario Hoppmann¹¹, Robbie Mallett¹² and Michel Tsamados¹³, (1)National Snow and Ice Data Center, CIRES, University of Colorado Boulder, Boulder, CO, United States, (2)University of Calgary, Calgary, AB, Canada, (3)University College London, London, United Kingdom, (4)Danish Meteorological Institute, Copenhagen, Denmark, (5)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Bremerhaven, Bremerhaven, Germany, (6)ProSensing. Inc., Amherst, MA, United States, (7)University of Bremen, Bremen, Germany, (8)Norwegian Polar Institute, Tromsø, Norway, (9)WSL Inst. Snow & Avalanche Research SLF, Davos Dorf, Switzerland, (10)British Anarctic Survey, Cambridge, United Kingdom, (11)Alfred-Wegener-Institute, Oldenburg, Germany, (12)University College London, Earth Sciences, London, United Kingdom, (13)UCL CPOM, London, United Kingdom

Christian Haas¹, Luisa von Albedyll² and Wolfgang Dierking¹, (1)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Bremerhaven, Bremerhaven, Germany, (2)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research, sea ice physics, Bremerhaven, Germany

Kent Moore, Univ Toronto, Toronto, ON, Canada, Stephen Howell, Environment and Climate Change Canada, Toronto, ON, Canada, Michael Brady, Environment and Climate Change Canada, Climate Research Division, Toronto, ON, Canada, Xiaoyong Xu, University of Toronto Mississauga, Department of Chemical and Physical Sciences, Mississauga, ON, Canada and Kaitlin McNeil, University of Toronto, Chemical and Physical Sciences, Toronto, ON, Canada

Gunnar Spreen¹, Estel Cardellach², Tania G D Casal³, Oguz Demir⁴, Claude R Duguay⁵, Carolina Gabarró⁶, Stefan Hendricks⁷, Marcus Huntemann¹, Joel T Johnson⁸, Roger Jove-Casulleras⁹, Lars Kaleschke⁷, Felix Linhardt¹⁰, Mallik Mahmud¹¹, Reza Naderpour¹², Vishnu Nandan¹³, Robert Ricker⁷, Steen Savstrup Kristensen¹⁴, Randall K Scharien¹⁵, Mike Schwank¹⁶, Maximilian Semmling¹⁷, Julienne Stroeve¹⁸, Aikaterini Tavri¹⁹, Linda Thielke¹, Rasmus T Tonboe²⁰, Luisa von Albedyll²¹, Wei Wan²² and John J Yackel¹¹, (1)University of Bremen, Bremen, Germany, (2)Institute for Space Sciences (ICE - CSIC/IEEC), Barcelona, Spain, (3)ESA/ESTEC, Noordwijk, Netherlands, (4)Ohio State University Main Campus, Department of Electrical and Computer Engineering, Columbus, OH, United States, (5)University of Waterloo, Waterloo, ON, Canada, (6)Barcelona Expert Center, Institute of Marine Sciences, CSIC, Physical and Technological Oceanography, Barcelona, Spain, (7)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Bremerhaven, Bremerhaven, Germany, (8)Ohio State University Main Campus, Department of Electrical and Computer Enginneering, Columbus, OH, United States, (9)BALAM Ingenieria de Sistemas, Barcelona, Spain, (10)Christian-Albrechts-Universität zu Kiel, Department of Geography, Kiel, Germany, (11)University of Calgary, Calgary, AB, Canada, (12)WSL Swiss Federal Institute for Forest, Snow and Landscape Research, Birmensdorf, Switzerland, (13)University of Manitoba, Winnipeg, MB, Canada, (14)Technical University of Denmark, DTU Space, Kongens Lyngby, Denmark, (15)University of Victoria, Victoria, BC, Canada, (16)Swiss Federal Research Institute WSL, Birmensdorf,, Switzerland, (17)GeoForschungsZentrum Potsdam, Potsdam, Germany, (18)University College London, London, United Kingdom, (19)University of Victoria, Victoria, Canada, (20)Danish Meteorological Institute, Copenhagen, Denmark, (21)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research, sea ice physics, Bremerhaven, Germany, (22)Peking University, Institute of Remote Sensing and Geographic Information System, Beijing, China

Larysa Istomina, Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Bremerhaven, Bremerhaven, Germany; formerly at: Institute of Environmental Physics, University of Bremen, Bremen, Bremen, Germany

Emily R Fedders¹, Andrew R Mahoney², Chris Polashenski³, Jennifer Hutchings⁴ and Dyre Oliver Dammann², (1)University of Alaska Fairbanks, Fairbanks, AK, United States, (2)University of Alaska Fairbanks, Geophysical Institute, Fairbanks, AK, United States, (3)Dartmouth College, Thayer School of Engineering, Hanover, NH, United States, (4)Oregon State University, Corvallis, OR, United States