*Hitomi IWAMOTO¹, Chiyuki Narama², Yusuke Iida³ (1. Graduate School of Science and Technology, Niigata University, 2. Niigata University, Program of Field Research in the Environmental Sciences, 3. Niigata University)

*Nozomu Takeuchi¹, Ayako Shimono², Jun Uetake³, Kota Kitagawa³, Robin Kodner⁴, Kaite Young⁵, Honu Pata⁴, Katie Hovind⁴, Leon Roussel⁵, Eric Marechal⁵, Chris Williamson⁶ (1. Chiba University, 2. Toho University, 3. Hokkaido University, 4. Western Washington University, 5. Université Grenoble Alpes, 6. University of Bristol, Bristol)

*Tetsuya Akabayashi¹, Nozomu Takeuchi² (1. Graduate School of Science and Engineering, Chiba University, 2. Department of Earth Science, Graduate School of Science, Chiba University)

*Ryohei Abe¹, Nozomu Takeuchi¹ (1. Chiba University)

*KENSUKE WATANABE¹, Yukiko Senga¹ (1. Toho University)

*Natsuki Sasaki¹, Toshihiko Sugai² (1. Meiji University , 2. The University of Tokyo)

*Aritsune Fukutani¹, Atsushi Ikeda² (1. Graduate School of Science and Technology, University of Tsukuba, 2. University of Tsukuba)

*Akihiko SASAKI¹, Motoshi Nishimura², Keisuke Suzuki³ (1. Department of Geography and Environmental Studies, Kokushikan University, 2. Institute for Mountain Science, Shinshu University, 3. Shinshu University)

*Motoshi Nishimura¹, Sojiro Sunako² (1. Institute for Mountain Science, Shinshu University, 2. National Research Institute for Earth Science and Disaster Resilience)

*Asaka Konno¹, Rui Nakano¹, KIYOSHI SAIJO² (1. Tokoha University, 2. Miyagi University of Education)