*Masashi Machida¹, Kay I. Ohshima², Daisuke Simizu³, Kazuki Nakata⁴, Mizuki Kuga², Vigan Mensah², Alexander Fraser⁵, Kohei Mizobata⁶, Takeshi Tamura³, Yasushi Fukamachi⁷ (1.Graduate School of Env. Science, Hokkaido University, 2.Institute of Low Temperature Science, Hokkaido University, 3.National Institute of Polar Research, 4.Japan Aerospace Exploration Agency, 5.Antarctic Climate and Ecosystems Cooperative Research Centre, University of Tasmania, 6.Tokyo University of Marine Science and Technology, 7.Arctic Research Center, Hokkaido University)

*Yoshihiko Ohashi¹, Daisuke Hirano^1,2, Kohei Mizobata³, Kazuya Kusahara⁴, Kazuki Nakata⁵, Kazuya Ono⁶, Masakazu Fujii^1,2, Ryosuke Makabe^1,2, Kay I. Ohshima⁶, Takeshi Tamura^1,2, Shigeru Aoki⁶ (1.National Institute of Polar Research, 2.SOKENDAI, 3.Tokyo University of Marine Science and Technology, 4.Japan Agency for Marine-Earth Science and Technology, 5.Japan Aerospace Exploration Agency, 6.Hokkaido University)

*Takuji Waseda¹, Takehiko Nose¹, Tsubasa Kodaira¹, Takatoshi Matsuzawa², Takeshi Tamura³ (1.The University of Tokyo, 2.Nationarl Maritime Research Institute, 3.National Institute for Polar Research)

*Yuri Yamazaki¹, Yusuke Suganuma^2,1, Takuya Itaki³, Atsuko Amano³, Takeshige Ishiwa^2,1, Motohiro Hirabayashi^2,1, Hiroyuki Matsuzaki⁴, Takeyasu Yamagata⁴, Jun'ichi Okuno^5,2,1, Daisuke Hirano^2,1, Takeshi Tamura^2,1, Keiji Misawa^2,1, Kosei E Yamaguchi⁶ (1.The Graduate University for Advanced Study, SOKENDAI, 2.National International Polar Research, 3.Geological Survey of Japan, The National Institute of Advanced Industrial Science and Technology, 4.Tokyo University, 5. Joint Support-Center for Data Science Research, Research Organization of Information and Systems, 6.Toho University)

Hirokazu Yamagata¹, Yuki Sekimori¹, Kazushi Yamamoto¹, Ryosuke Makabe², Masakazu Fujii², Hiroshi Yoshida³, Takeshi Tamura², Yoshifumi Nogi², *Toshihiro Maki¹ (1.The University of Tokyo, 2.National Institute of Polar Research, 3.Japan Agency for Marine-Earth Science and Technology)

*Hirohiko Masunaga¹, Kazumasa Aonashi², Naoto Ebuchi³, Keiichi Ohara⁴, Misako Kachi⁴, Katsuya Saitoh⁵, Rigen Shimada⁴, Takeshi Tamura⁶, Kei Yoshimura⁷ (1.Nagoya University, 2.Kyoto University, 3.Hokkaido University, 4.JAXA, 5.JAFIC, 6.NIPR, 7.The University of Tokyo)