*Shuji Fujita^1,2, Tomotaka Saruya¹, Ryo Inoue² (1.National Institute of Polar Research, Research Organization of Information and Systems(ROIS), 2.2Department of Polar Science, The Graduate University for 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)

*Kaoru Kawakami^1,2, Yoshinori Iizuka², Akira Hori³, Sakiko Ishino⁴, Mahiro Sasage^1,2, Mai Matsumoto^1,2, Keita Takasugi³, Takeshi Saito², Sumito Matoba², Shohei Hattori⁵ (1.Graduate school of Environmental Science, Hokkaido University, 2.Institute of Low Temperature Science, Hokkaido University, 3.Kitami Institute of Technology, 4.Institute of Nature and Environmental Technology, Kanazawa University, 5.International Center for Isotope Effects Research, Nanjing University)

*Naoko Nagatsuka¹, Kumiko Goto-Azuma^1,2, Akane Tsushima³, Koji Fujita⁴, Sumito Matoba⁵, Yukihiko Onuma⁶, Yuki Komuro¹, Motohiro Hirabayashi¹, Jun Ogata¹, Yoshimi Tsukagawa¹, Kyotaro Kitamura¹, Teruo Aoki^1,2, Trevor James Popp⁷, Dorthe Dahl-Jensen⁷ (1.National Institute of Polar Research, 2.SOKENDAI, 3.Graduate School of Science, Chiba University, 4.Graduate School of Environmental Studies, Nagoya University, 5.Institute of Low Temperature Science, Hokkaido University, 6.Institute of Industrial Science, University of Tokyo, 7.University of Copenhagen)

*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)

*Fuki Konishi¹, Nozomu Takeuchi¹, Akane Tsushima¹, Nao Esashi², Ryu Uemura³, Sumito Matoba⁴, Iizuka Yoshinori⁵, Koji Fujita² (1.Chiba University, 2.Graduate School of Environmental Studies, Nagoya University, 3.Nagoya University, 4.Pan-Okhotsk Research Center, Institute of Low Temperature Science, Hokkaido University , 5. Institute of Low Temperature Science, Hokkaido University )