*Shigeki Murakami¹, Kenzo Kitamura¹ (1. Kyushu Research Center, Forestry and Forest Products Research Institute)

*Katsushige Shiraki¹, Shunsuke Kawana², Haruna Tsujinaka³, Sakura Ariyoshi⁴, Yoshimi Uchiyama⁵ (1. Faculty of Agriculture, Tokyo University of Agriculture and Technology, 2. Graduate school of Tokyo University of Agricultre and Technology (present address: Japan Conservation Engineers & Co., Ltd.), 3. Faculty of Agriculture, Tokyo University of Agriculture and Technology (present address: Private Forest Department, Forestry Agency), 4. Graduate school of Tokyo University of Agricultre and Technology , 5. Kanagawa Prefecture Natural Environment Conservation Center)

*Takashi WAKAMATSU Wakamatsu¹, Hideshi Ikeda¹, Ko Nakaya¹, Takashi Ishii¹ (1. Central Research Institute of Electric Power Industry)

Eilif Kurnia Deda Djamres², *Eva Mia Siska Yamamoto¹, Apip Apip³, Ryoko Araki⁴, Kodai Yamamoto¹, Takahiro Sayama¹ (1. Disaster Prevention Research Institute, Kyoto University, 2. Graduate School of Engineering, Kyoto University, 3. Indonesian Institute of Sciences, 4. Department of Geography, San Diego University)

Hikari Yokoyama¹, *Daisuke Komori¹, Masashi Nakamura¹, Yoshiya Touge¹, Jacqueline Mbugua Muthoni¹ (1. Tohoku University)

*toshiaki matsuura¹, Yasuhisa Kuzuha¹ (1. Mie University Graduate School and Faculty of Bioresources)

*Shakti P.C.¹, Kohin Hirano¹, Satoshi Iizuka¹ (1. National Research institute for Earth Science and Disaster Resilience (NIED))