National Institute for Polar Research, Tachikawa, Tokyo, Japan

Institute of Biogeosciences, Japan Agency for Marine-Earth Science and Technology, Natsushima-cho, Yokosuka, Japan

Scripps Institution of Oceanography, University of California, San Diego, CA, USA

Thayer School of Engineering, Dartmouth College, Hanover, NH, USA

Cryospheric and Terrestrial Sciences Division, Cold Regions Research and Engineering Laboratory, Hanover, NH, USA

Thayer School of Engineering, Dartmouth College, Hanover, NH, USA

Cryospheric and Terrestrial Sciences Division, Cold Regions Research and Engineering Laboratory, Hanover, NH, USA

Geophysical Institute, University of Alaska Fairbanks, Fairbanks, AK, USA

National Snow and Ice Data Center, Boulder, CO, USA

Scripps Institution of Oceanography, University of California, San Diego, CA, USA

Cryospheric Sciences Branch, NASA Goddard Space Flight Center, Greenbelt, MD, USA