*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)

*SAAYA HAMAMOTO¹, Ryu Uemura¹, Sumito Matoba², Kaoru Kawakami², Mahiro Sasage², Mai Matsumoto², Kei Yoshimura³, Atsushi Okazaki⁴, Yoshinori Iizuka² (1.Nagoya University, 2.Institite of Low Temperature Science, Hokkaido University, 3.Institute of Industrial Science, The University of Tokyo, 4.Hirosaki University)

*Saki Tsuboi¹, Sakiko Ishino¹, Kaoru Kawakami², Shohei Hattori³, Takuya Sagawa¹, Sumito Matoba⁴, Iizuka Yoshinori⁴ (1.Kanazawa University, 2.Graduate School of Environmental Science, Hokkaido University, 3.Nanjing University, 4.Institute of Low Temperature Science, Hokkaido University)

Mahiro Sasage^2,1, *Iizuka Yoshinori¹, Kaoru Kawakami¹, Mai Matsumoto^2,1, Sumito Matoba¹, Shuji Fujita³ (1.Institite of Low Temperature Science, Hokkaido University, 2.Faculty of Environmental Science, Hokkaido University, 3.National Institute of Polar Research)

*Riko Yagihashi¹, Kazuho Horiuchi¹, Kohsei Yoshioka², Iizuka Yoshinori³, Sumito Matoba³, Kaoru Kawakami^3,4, Sakiko Ishino⁵, Mahiro Sasage^3,4, Mai Matsumoto^3,4, Takeyasu Yamagata⁶, Hiroyuki Matsuzaki⁶ (1.Graduate School of Science and Technology, Hirosaki University, 2.Faculty of Science and Technology, Hirosaki University, 3.Institute of Low Temperature Science, Hokkaido University, 4.Graduate School of Environmental Science, Hokkaido University, 5.Institute of Nature and Environmental Technology, Kanazawa University, 6.Micro Analysis Laboratory, Tandem accelerator (MALT), The University of Tokyo)

*Naoko Nagatsuka¹, Kumiko Goto-Azuma^1,2, Akane Tsushima³, Koji Fujita⁴, Sumito Matoba⁵, Yukihiko Onuma⁶, Yuki Komuro⁷, Motohiro Hirabayashi¹, Jun Ogata¹, Yoshimi Ogawa-Tsukagawa¹, Kyotaro Kitamura¹, Teruo Aoki^1,2, Trevor James Popp⁸, Dorthe Dahl-Jensen⁸ (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.Japan Aerospace Exploration Agency (JAXA), 7.Laboratory for Environmental Research at Mount Fuji, 8.University of Copenhagen)

*Motoshi Nishimura¹, Teruo Aoki¹, Masashi Niwano², Sumito Matoba³, Tomonori Tanikawa², Satoru Yamaguchi⁴, Tetsuhide Yamazaki⁵ (1.National Institute of Polar Research, 2.Meteorological Research Institute, 3.Institute of Low Temperature Science, Hokkaido University, 4.National Research Institute for Earth Science and Disaster Resilience, 5.Avangnaq Arctic Project)

*Yutaka Kurosaki^1,2, Sumito Matoba², Yoshinori Iizuka², Koji Fujita³, Rigen Shimada⁴ (1.Graduate School of Environmental Science Hokkaido University, 2.Institute of Low Temperature Science Hokkaido University, 3.Graduate School of Environmental Studies Nagoya University, 4.Earth Observation Research Center Japan Aerospace Exploration Agency)