*Sojiro Sunako¹, Koji Fujita², Akiko Sakai², Kotaro FUKUI³, Takahiro Abe⁴, Akane Tsushima⁵, Yota Sato², Rakesh Kayastha⁶, Rijan Kayastha⁶ (1.National Research Institute for Earth Science and Disaster Resilience, 2.Graduate School of Environmental Studies, Nagoya University, 3.Tateyama Caldera Sabo Museum, 4.Graduate School of Bioresources, Mie University, 5.Graduate School of Science, Chiba University, 6. Himalayan Cryosphere, Climate, and Disaster Research Center (HiCCDRC), Department of Environmental Science and Engineering, School of Science, Kathmandu 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)

*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 )

*Nao Esashi¹, Akane Tsushima², Ryu Uemura¹, Sumito Matoba³, Yoshinori Iizuka³, Koji Fujita¹ (1.Graduate School of Environmental Studies, Nagoya University, 2.Graduate School of Science, Chiba University, 3.Institute of Low Temperature Science, Hokkaido University)