*Yoshifumi Nogi¹, Ayako Abe-Ouchi², Naomi Harada³, Shin Sugiyama⁴, Masaki Tsutsumi¹, Kenji Kawamura¹, Takeshi Tamura¹, Jun'ichi Okuno¹ (1.National Institute of Polar Research, 2.Atmosphere and Ocean Research Institute, the University of Tokyo , 3.Japan Agency for Marine-Earth Science and Technology, 4.Institute of Low Temperature Science, Hokkaido University)

*Kumiko Goto-Azuma^1,2, Nobuhiro Moteki³, Kaori Fukuda¹, Jun Ogata¹, Tatsuhiro Mori³, Sho Ohata⁴, Yutaka Kondo¹, Makoto Koike³, Motohiro Hirabayashi¹, Kyotaro Kitamura¹, Ayaka Yonekura², Shuji Fujita^1,2, Fumio Nakazawa^1,2, Yoshimi Ogawa¹, Kenji Kawamura^1,2 (1.National Institute of Polar Research, 2.SOKENDAI (The Graduate University for Advanced Studies), 3.The University of Tokyo, 4.Nagoya University, Japan)

*Shun Tsutaki¹, Shuji Fujita^1,2, Kenji Kawamura^1,2,3, Ayako Abe-Ouchi^1,4, Kotaro FUKUI⁵, Hideaki Motoyama^1,2, Yu Hoshina⁶, Fumio Nakazawa^1,2, Takashi Obase⁴, Hiroshi Ohno⁷, Ikumi Oyabu¹, Fuyuki SAITO³, Konosuke Sugiura⁸, Toshitaka Suzuki⁹ (1.National Institute of Polar Research, 2.SOKENDAI, 3.JAMSTEC, 4.The University of Tokyo, 5.Tateyama Caldera Sabo Museum, 6.Nagoya University, 7.Kitami Institute of Technology, 8.University of Toyama, 9.Yamagata University)

*Takashi Obase¹, Ayako Abe-Ouchi¹, Fuyuki SAITO², Shun Tsutaki³, Shuji Fujita^3,4, Kenji Kawamura^3,4, Hideaki Motoyama^3,4 (1.Atmosphere and Ocean Research Institute, the University of Tokyo, 2.Japan Agency for Marine-Earth Science and Technology (JAMSTEC), 3.National Institute of Polar Research, 4.The Graduate University of Advanced Studies (SOKENDAI))

*Iizuka Yoshinori¹, Kaoru Kawakami², Mahiro Sasage², Mai Matsumoto², Akira Hori³, Takeshi Saito¹, Keita Takasugi³, Takumi Hatakeyama⁴, AKIHISA WATARI², Nao Esashi⁵, Miu Otsuka², Atsushi Miyamoto⁶, Ryu Uemura⁵, Sakiko Ishino⁷, Shuji Fujita⁸, Teruo Aoki⁸, Koji Fujita⁵, Shohei Hattori⁹, Kazuho Horiuchi⁴, Motohiro Hirabayashi⁸, Kenji Kawamura⁸, Sumito Matoba¹ (1.Institite of Low Temperature Science, Hokkaido University, 2.Graduate School of Environmental Science, Hokkaido University, 3.Department of Earth and Environmental Engineering, Kitami Institute of Technology, 4.Graduate School of Science and Technology, Hirosaki University, 5.Graduate School of Environmental Studies, Nagoya University, 6.Hokkaido University, 7.Institute of Nature and Environmental Technology, Kanazawa University, 8.National Institute of Polar Research, 9.International Center for Isotope Effects Research, Nanjing University)

*Taku Umezawa¹, Satoshi Sugawara², Kenji Kawamura^3,4,5, Ikumi Oyabu³, Stephen Andrews^1,6, Takuya Saito¹, Shuji Aoki⁷, Takakiyo Nakazawa⁷ (1.National Institute for Environmental Studies, 2.Miyagi University of Education, 3.National Institute of Polar Research, 4.The Graduate University of Advanced Studies (SOKENDAI), 5.Japan Agency for Marine Science and Technology, 6.University of York, 7.Tohoku University)

*Ayaka Yonekura¹, Kenji Kawamura^1,2,3, Ikumi Oyabu², Kyotaro Kitamura², Jun Ogata², Motohiro Hirabayashi², Kaori Fukuda², Yoshimi Tsukagawa², Tomotaka Saruya², Fumio Nakazawa^1,2, Shuji Fujita^1,2, Kumiko Goto-Azuma^1,2, Hideaki Motoyama^1,2 (1.The Graduate University for Advanced Studies, SOKENDAI, 2.National Insutitute of Polar Research, 3.JAMSTEC)

*Kenji Kawamura^1,2,3, on behalf of KAKENHI project "Giant reservoirs of heat/water/material : Global environmental changes driven by the Southern Ocean and the Antarctic Ice Sheet" - (1.National Institute of Polar Research, Research Organization of Information and Systems, 2.Graduate University for Advanced Studies, SOKENDAI, 3.Japan Agency for Marine-Earth Science and Technology (JAMSTEC))

*Ikumi Oyabu¹, Kenji Kawamura^1,2,3, Christo Buizert⁴, Frédéric Parrenin⁵, Anais Orsi⁶, Kyotaro Kitamura¹, Shuji Aoki⁷, Takakiyo Nakazawa⁷ (1.National Institute of Polar Research, Research Organization of Information and Systems, 2.The Graduate University of Advanced Studies (SOKENDAI), 3.Japan Agency for Marine Science and Technology, 4.Oregon State University, USA, 5.Institut des Géosciences de l'Environnement, Université Grenoble Alpes, France, 6.Laboratoire des Sciences du Climat et de l'Environnement, Université Paris-Saclay, France, 7.Tohoku University)

*Ryo Inoue¹, Teruo Aoki^2,1, Shuji Fujita^2,1, Kenji Kawamura^2,1,3, Shun Tsutaki², Hideaki Motoyama^2,1, Fumio Nakazawa^2,1 (1.The Graduate University for Advanced Studies, 2.National Institute of Polar Research, 3.Japan Agency for Marine-Earth Science and Technology)