*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 for Advanced Studies (SOKENDAI), 3.Japan Agency for Marine Science and Technology (JAMSTEC), 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)

*Kaoru Kawakami¹, Yoshinori Iizuka¹, Mahiro Sasage^1,2, Mai Matsumoto^1,2, Takeshi Saito¹, Akira Hori³, Sakiko Ishino⁴, Shuji Fujita^5,6, Koji Fujita⁷, Keita Takasugi³, Takumi Hatakeyama⁸, Saaya Hamamoto⁷, Akihisa Watari, Nao Esashi⁷, Miu Otsuka, Ryu Uemura⁷, Kazuho Horiuchi⁸, Masahiro Minowa¹, Shohei Hattori⁹, Teruo Aoki^5,6, Motohiro Hirabayashi⁵, Kenji Kawamura^5,6,10, Sumito Matoba¹ (1.Institute of Low Temperature Science, Hokkaido University,, 2.Graduate School of Environmental Science, Hokkaido University, 3.Kitami Institute of Technology, 4.Institute of Nature and Environmental Technology, Kanazawa University, 5.National Institute of Polar Research, 6.Department of Polar Science, The Graduate University of Advanced Studies, SOKENDAI, 7.Graduate School of Environmental Studies, Nagoya University, 8.Graduate School of Science and Technology, Hirosaki University, 9.International Center for Isotope Effects Research, School of Earth Sciences and Engineering, Nanjing University, 10.Japan Agency for Marine Science and Technology)

*Kenji Kawamura^1,3,4, Ayako Abe-Ouchi², Shuji Fujita^1,4, Prasad Gogineni⁵, David Braaten⁶, Kenichi Matsuoka⁷, Fuyuki SAITO³, Takashi Obase², Fumio Nakazawa^1,4, Shun Tsutaki^1,4, Ikumi Oyabu¹, Fernando Rodriguez-Morales⁶, John Paden⁶, Drew Taylor⁵, Elisabeth Isaksson⁷, Geir Maholdt⁷ (1.National Institute of Polar Research, Research Organization of Information and Systems, 2.University of Tokyo, 3.JAMSTEC, 4.SOKENDAI, 5.University of Alabama, 6.University of Kansas, 7.Norwegian Polar Institute)

*Ryo Inoue¹, Shuji Fujita^2,1, Kenji Kawamura^2,1,3, Ikumi Oyabu², Fumio Nakazawa^2,1, Hideaki Motoyama^2,1 (1.The Graduate University for Advanced Studies, 2.National Institute of Polar Research, 3.Japan Agency for Marine-Earth Science and Technology)

*Kumiko Goto-Azuma^1,2, Motohiro Hirabayashi¹, Kaori Fukuda¹, Jun Ogata¹, Yoshimi Ogawa-Tsukagawa¹, Kyotaro Kitamura¹, Ayaka Yonekura^1,3,2, Shuji Fujita^1,2, Kenji Kawamura^1,2, Fumio Nakazawa^1,2 (1.National Institute of Polar Research, 2.SOKENDAI, 3.Marine Works Japan Ltd.)

*Ikumi Oyabu¹, Kenji Kawamura^1,2,3, Shuji Fujita^1,2, Ryo Inoue², Hideaki Motoyama^1,2, Kotaro Fukui⁴, Motohiro Hirabayashi¹, Hoshina Yu⁵, Naoyuki Kurita⁵, Fumio Nakazawa^1,2, Hiroshi Ohno⁶, Konosuke Sugiura⁷, Toshitaka Suzuki⁸, Shun Tsutaki^1,2, Ayako Abe-Ouchi⁹, Masashi Niwano¹⁰, Frédéric Parrenin¹¹, Fuyuki SAITO³, Masakazu Yoshimori⁹ (1.National Institute of Polar Research, Research Organization of Information and Systems, 2.The Graduate University for Advanced Studies, SOKENDAI, 3.Japan Agency for Marine Science and Technology, 4.Tateyama Caldera Sabo Museum, 5.Nagoya University, 6.Kitami Institute of Technology, 7.University of Toyama, 8.Yamagata University, 9.Atmosphere and Ocean Research Institute, The University of Tokyo, 10.Meteorological Research Institute, Japan Meteorological Agency, 11.Institut des Géosciences de l'Environnement, Université Grenoble Alpes)

*Takashi Obase¹, Ayako Abe-Ouchi^1,2, Fuyuki SAITO³, Shun Tsutaki^2,4, Shuji Fujita^2,4, Kenji Kawamura^2,3,4, Hideaki motoyama^2,4 (1.Atmosphere and Ocean Research Institute, The University of Tokyo, 2.National Institute of Polar Research, Research Organization of Information and Systems, 3.Japan Agency for Marine-Earth Science and Technology (JAMSTEC), 4.The Graduate University for Advanced Studies, SOKENDAI)

*Yasuto Watanabe¹, Ayako Abe-Ouchi^1,2,3, Fuyuki SAITO², Kanon Kino¹, Ryouta O'ishi¹, Takashi Ito^4,5, Kenji Kawamura³, Wing-Le Chan¹ (1.UTokyo, 2.JAMSTEC, 3.National Institute of Polar Research, 4.National Astronomical Observatory of Japan, 5.Planetary Exploration Research Center)