*Yuki Itoh¹, Masaya Yasuhara², Seongwon Lee³, Takashi Nakamura⁴, Kazuyoshi Asai⁵, Akihiko Inamura⁶ (1.Rissho University graduate School of Geo-environmental Science, 2. Rissho Univ., 3.Department of Environmental Systems, Faculty of Geo-Environmental Science, RISSHO University, 4.International Research Center for River Basin Environment, University of YAMANASHI, 5.Geo Science Laboratory, 6.Geological Survey of Japan, AIST)

*SITI IFFAH HANISAH BINTI MOHD ALI¹, Bijay Man Shakya², Anoj Khanal³, Sanjeev Bickram Rana³, Kei Nishida¹, Takashi Nakamura¹ (1.University of Yamanashi, 2.Smartphones for water - Nepal, 3.Kathmandu Valley Water Supply Management Board)

Fuyuki Ishizawa¹, *Masaya Yasuhara², Seongwon Lee², Yuki Itoh³, Takashi Nakamura⁴ (1.Fuji Yakuhin Co., Ltd., 2.Rissho Univ., 3.Graduate School, Rissho Univ., 4.Yamanashi Univ.)

*Shinya Yamamoto¹, Takashi Nakamura², Seongwon Lee³, Masaya Yasuhara³ (1.Mount Fuji Research Institute, Yamanashi Prefectural Government, 2.International Research Center for River Basin Environment, University of Yamanashi, 3.Faculty of Geo-Environmental Science, Rissho University)

*Masaya Yasuhara¹, Seongwon Lee¹, Yuki Itoh², Mina Inoue³, Takashi Nakamura⁴ (1.Rissho Univ., 2.Graduate School, Rissho Univ., 3.Axis, Co., Ltd., 4.Yamanashi Univ.)

*Kazunori Ebata¹, Yoshitaka Matsumoto¹, Akiko Usami², Tomomasa Taniguchi³ (1.National Institute of Technology, Toyota college, 2.Disaster Mitigation Research Center, Nagoya University, 3. Faculty of Humanity, Mie University)

*Kazuyoshi Asai¹, Kazumi Asai¹ (1.Geo Science Laboratory)

*Kohei Sugaya¹, Kimpei Ichiyanagi², Masahiro TANOUE³ (1.Faculty of Science, Kumamoto University, 2.Faculty of Advanced Science and Technology, Kumamoto University, 3.Earth System Division, National Institute for Environmental Studies)