*Yoshihiko Ohashi^1,2, Shigeru Aoki², Yoshimasa Matsumura², Shin Sugiyama^2,3, Naoya Kanna³, Daiki Sakakibara³, Yasushi Fukamachi^2,3 (1.Graduate School of Environmental Science, Hokkaido University, 2.Institute of Low Temperature Science, Hokkaido University, 3.Arctic Research Center, Hokkaido University)

*Tsutomu Yamanokuchi¹, Koichiro Doi², Kazuki Nakamura³, Shigeru Aoki⁴ (1.Remote Sensing Technology Center of JAPAN, 2.National Institute of Polar Research, 3.Nihon University, 4.ILTS, Hokkaido University)

*Tsutomu Yamanokuchi¹, Koichiro Doi², Kazuki Nakamura³, Shigeru Aoki⁴ (1.Remote Sensing Technology Center of JAPAN, 2.National Institute of Polar Research, 3.Nihon University, 4.ILTS, Hokkaido University)

*Daisuke Hirano¹, Takeshi Tamura², Shuki Ushio², Kay I. Ohshima¹, Daisuke Simizu², Kazuya Ono¹, Tomohide Noguchi³, Shigeru Aoki¹ (1.Institute of Low Temperature Science, Hokkaido University, 2.National Institute of Polar Research, 3.Marine Works Japan)

*Shigeru Aoki¹ (1.Hokkaido University)

*Kitade Yujiro¹, Keishi Shimada¹, Yuki Ogata¹, Shigeru Aoki², Taiyo Kobayashi⁴, Kohei Mizobata¹, Takeshi Tamura³, Toshio Suga⁵, Kay I. Ohshima² (1.Tokyo University of Marine Science and Technology, 2.University of Tokyo, 3.National Institute of Polar Research, 4.Japan Agensy for Marine-Earth Science and Technology, 5.Tohoku University)

*Keishi Shimada¹, Yujiro Kitade¹, Shigeru Aoki², Kay I. Ohshima², Kohei Mizobata¹, Takeshi Tamura ³ (1.Tokyo University of Marine Science and Technology, 2.Institute of Low Temperature Science Hokkaido University, 3.National Institute of Polar Research)

*Kitade Yujiro¹, Keishi Shimada¹, Yuki Ogata¹, Shigeru Aoki², Taiyo Kobayashi⁴, Kohei Mizobata¹, Takeshi Tamura³, Toshio Suga⁵, Kay I. Ohshima² (1.Tokyo University of Marine Science and Technology, 2.University of Tokyo, 3.National Institute of Polar Research, 4.Japan Agensy for Marine-Earth Science and Technology, 5.Tohoku University)

*Keishi Shimada¹, Yujiro Kitade¹, Shigeru Aoki², Kay I. Ohshima², Kohei Mizobata¹, Takeshi Tamura ³ (1.Tokyo University of Marine Science and Technology, 2.Institute of Low Temperature Science Hokkaido University, 3.National Institute of Polar Research)

*Shin Sugiyama^1,2, Yasushi Fukamachi^1,2, Kay I. Ohshima^1,2, Shigeru Aoki¹, Teruo Aoki³, Michiyo Yamamoto-Kawai⁴, Takashi Kikuchi⁵, Daisuke Hirano¹ (1.Institute of Low Temperature Science, Hokkaido University, 2.Arctic Research Center, Hokkaido University, 3.Okayama University, 4.Tokyo University of Marine Science and Technology, 5.Japan Agency for Marine-Earth Science and Technology)