*Takashi Oguchi¹, Ikuho Yamada², Yuichi S. Hayakawa³, Daichi Kohmoto⁴, Hitoshi Saito⁵ (1.Center for Spatial Information Science, The University of Tokyo, 2.Faculty of Science and Engineering, Chuo University, 3.Graduate School of Env.Science, Hokkaido University , 4.Nara University of Education, 5.College of Economics, Kanto Gakuin University)

*Hiroyuki Yamauchi¹, Takashi Oguchi¹, Yuichi S. Hayakawa^2,1, Kotaro Iizuka¹ (1.Center for Spatial Information Science, The University of Tokyo, 2.Environmental Geography, Faculty of Environmental Earth Science, Hokkaido University)

*Yasutaka Haneda¹, Takashi Oguchi², Kotaro Iizuka², Hitoshi SAITO^3,2, Yuichi S. Hayakawa^4,2, Shoichiro Uchiyama⁵ (1.Graduate School of Frontier Science, The University of Tokyo, 2.Center for Spatial Information Science, The University of Tokyo, 3.College of Economics, Kanto Gakuin University, 4.Faculty of Environmental Earth Science, Hokkaido University, 5.National Research Institute for Earth Science and Disaster Resilience)

*Hiroyuki Yamauchi¹, Takashi Oguchi¹, Yuichi S. Hayakawa^2,1, Kotaro Iizuka¹ (1.Center for Spatial Information Science, The University of Tokyo, 2.Environmental Geography, Faculty of Environmental Earth Science, Hokkaido University)

*Yasutaka Haneda¹, Takashi Oguchi², Kotaro Iizuka², Hitoshi SAITO^3,2, Yuichi S. Hayakawa^4,2, Shoichiro Uchiyama⁵ (1.Graduate School of Frontier Science, The University of Tokyo, 2.Center for Spatial Information Science, The University of Tokyo, 3.College of Economics, Kanto Gakuin University, 4.Faculty of Environmental Earth Science, Hokkaido University, 5.National Research Institute for Earth Science and Disaster Resilience)

Kisara Shimizu¹, *Chiaki T. Oguchi¹, Yasuhiko TAMURA², Yuichi S. Hayakawa³, Takuro Ogura⁴, OGATA KEISUKE⁵ (1.Institute for Environmental Science and Technology, Graduate School of Science and Engineering, Saitama University, 2.The Exective Committee for the Preservation of Taya Cavern, 3.Faculty of Environmental Earth Science, Hokkaido University, 4.Graduate School of Frontier Sciences, The University of Tokyo, 5.Tsurumi University)

*Yuichi S. Hayakawa^1,2, Takuro Ogura^4,5, Yasuhiko Tamura², Chiaki T. Oguchi³, Kisara Shimizu³ (1.Faculty of Environmental Earth Science, Hokkaido University, 2.Center for Spatial Information Science, The University of Tokyo, 3.Saitama University, 4.Graduate School of Frontier Science, The University of Tokyo, 5.Graduate School of Environmental Science, Hokkaido University)

*Yuichi S. Hayakawa^1,2, Sahoko Aki² (1.Faculty of Environmental Earth Science, Hokkaido University, 2.Center for Spatial Information Science, The University of Tokyo)

*Takuro Ogura^1,2, Yuichi S. Hayakawa^3,4, Yasuhiko Tamura⁴, Chiaki T. Oguchi⁵, Masashi Morita⁶, Kisara Shimizu⁵, OGATA KEISUKE⁷, Hiroyuki Yamauchi⁴ (1.Graduate School of Frontier Sciences, The University of Tokyo, 2.Graduate School of Environmental Sciences, Hokkaido University, 3.Faculty of Environmental Earth Science, Hokkaido University, 4.Center of Spatial Information Science, The University Of Tokyo , 5.Graduate School of Science and Engineering, Saitama University, 6.Faculty of Urban Innovation, Yokohama National University, 7.School of literature, Tsurumi University)

*Takuro Ogura^1,2, Yuichi S. Hayakawa^3,4, Yasuhiko Tamura⁴, Chiaki T. Oguchi⁵, Masashi Morita⁶, Kisara Shimizu⁵, OGATA KEISUKE⁷, Hiroyuki Yamauchi⁴ (1.Graduate School of Frontier Sciences, The University of Tokyo, 2.Graduate School of Environmental Sciences, Hokkaido University, 3.Faculty of Environmental Earth Science, Hokkaido University, 4.Center of Spatial Information Science, The University Of Tokyo , 5.Graduate School of Science and Engineering, Saitama University, 6.Faculty of Urban Innovation, Yokohama National University, 7.School of literature, Tsurumi University)

*Yasuhiko TAMURA^1,2, Chiaki T. Oguchi⁴, Yuichi S. Hayakawa^5,2, Takuro Ogura², OGATA KEISUKE⁶, Masashi MORITA³ (1.The Executive Committee for the Preservation of TAYA CAVERN , 2.The University of Tokyo, Center for Spatial Information Science, 3.Yokohama National University, Institute of Urban Innovation, 4.Saitama University, Graduate School of Science and Engineering, 5.Hokkaido University, Faculty of Environmental Earth Science, 6.Tsurumi University, The Department of Cultural Properties)

*Fumitoshi Imaizumi¹, Yuichi S. Hayakawa², Haruka Tsunetaka³, Norifumi Hotta⁴ (1.Faculty of Agriculture, Shizuoka University, 2.Faculty of Environmental Earth Sciences, 3.Forestry and Forest Products Research Institute, 4.Graduate School of Agricultural and Life Sciences)

*Yuichi S. Hayakawa¹ (1.Faculty of Environmental Earth Science, Hokkaido University)

*Yuichi S. Hayakawa¹ (1.Faculty of Environmental Earth Science, Hokkaido University)

*Takuro Ogura^1,2, Satoshi Asano³, Toshiaki Mizuno³, Yoshihiro Azuma³, Takeshi Kitai⁴, Yuichi S Hayakawa^5,6, Kotaro Iizuka⁶ (1.Graduate School of Frontier Sciences, The University of Tokyo, 2.Graduate School of Environmental Science, Hokkaido University, 3.Lake Biwa Environmental Research Institute , 4.Lake Biwa Museum, 5.Faculty of Environmental Earth Science, Hokkaido University, 6.Center for Spatial information Science, The University of Tokyo)

*Yuichi S. Hayakawa¹, Shigekazu Kusumoto², Takuro Ogura^3,4 (1.Faculty of Environmental Earth Science, Hokkaido University, 2.Graduate School of Science and Engineering for Research, University of Toyama, 3.Graduate School of Frontier Science, The University of Tokyo, 4.Graduate School of Environmental Science, Hokkaido University)

*Takuro Ogura^1,2, Satoshi Asano³, Toshiaki Mizuno³, Yoshihiro Azuma³, Takeshi Kitai⁴, Yuichi S Hayakawa^5,6, Kotaro Iizuka⁶ (1.Graduate School of Frontier Sciences, The University of Tokyo, 2.Graduate School of Environmental Science, Hokkaido University, 3.Lake Biwa Environmental Research Institute , 4.Lake Biwa Museum, 5.Faculty of Environmental Earth Science, Hokkaido University, 6.Center for Spatial information Science, The University of Tokyo)

*Yuichi S. Hayakawa¹, Shigekazu Kusumoto², Takuro Ogura^3,4 (1.Faculty of Environmental Earth Science, Hokkaido University, 2.Graduate School of Science and Engineering for Research, University of Toyama, 3.Graduate School of Frontier Science, The University of Tokyo, 4.Graduate School of Environmental Science, Hokkaido University)