Joseph H Kennedy, Alaska Satellite Facility, Fairbanks, AK, United States, Luis Alberto Lopez, National Snow and Ice Data Center (NSIDC), CIRES, University of Colorado Boulder, Boulder, United States, Alex S Gardner, Jet Propulsion Laboratory, California Institute of Technology, Pasadena, United States, Chad Greene, Jet Propulsion Laboratory, Pasadena, United States, Mark A Fahnestock, University of Alaska Fairbanks, Geophysical Institute, Fairbanks, United States, Maria Liukis, NASA Jet Propulsion Laboratory, Pasadena, United States, Andrew Player, Alaska Satellite Facility, Fairbanks, United States, Mario Angarita, Alaska Satellite Facility, Geophysical Institute, University of Alaska Fairbanks, Fairbanks, Alaska, United States and Pete Gadomski, Development Seed, Washington, United States