*Masashi NIWANO¹, Teruo AOKI¹, Sumito MATOBA², Satoru YAMAGUCHI³, Koji FUJITA⁴, Tomonori TANIKAWA⁵, Akane TSUSHIMA², Katsuyuki KUCHIKI¹, Hideaki MOTOYAMA⁶ (1.Meteorological Research Institute, 2.Institute of Low Temperature Science, Hokkaido University, 3.Snow and Ice Research Center, National Research Institute for Earth Science and Disaster Prevention, 4.Graduate School of Environmental Studies, Nagoya University, 5.Earth Observation Research Center, Japan Aerospace Exploration Agency, 6.National Institute of Polar Research)

*Teruo AOKI¹, Katsuyuki KUCHIKI¹, Masashi NIWANO¹, Masahiro HORI², Tomonori TANIKAWA², Rigen SHIMADA³, Sumito MATOBA⁴, Satoru YAMAGUCHI⁵, Knut STAMNES⁶, Wei LI⁶, Nan CHEN⁶ (1.Meteorological Research Institute, 2.Earth Observation Reseacrh Center, Japan Aerospace Exploration Agency, 3.Graduate School of Science, Chiba University, 4.Institute of Low Temperature Science, Hokkaido University, 5.Snow and Ice Research Center, National Research Institute for Earth Science and Disaster Prevention, 6.Steven Institute of Technology)