*Akira Hayashida¹, Kazuhiro Anraku², Masao Ohno³, Michinobu Kuwae⁴, Keiji Takemura⁵ (1.Department of Environmental Systems Science, Doshisha University, 2.Graduate School of Science and Engineering, Doshisha University, 3.Department of Environmental Changes, Kyushu University, 4.Center for Marine Environmental Studies, Ehime University, 5.Institute for Geothermal Sciences, Kyoto University)

*Masao Ohno¹, Meng Zhao¹ (1.Faculty of Social and Cultural Studies, Kyushu University)

*Shinji Yamamoto¹, Masahiko Sato², Yuhji Yamamoto³, Masao Ohno⁴, Hideo Tsunakawa⁵ (1.Yohohama National University, 2.National Institute of Advanced Industrial Science and Technology, 3.Kochi University, 4.Kyushu University, 5.Tokyo Institute of Technology)

*Masahiko Sato¹, Shinji Yamamoto², Yuhji Yamamoto³, Wei Du⁴, Masao Ohno⁵, Hideo Tsunakawa⁶, Shigenori Maruyama⁶ (1.National Institute of Advanced Industrial Science and Technology, 2.Yokohama National University, 3.Kochi University, 4.The University of Tokyo, 5.Kyushu University, 6.Tokyo Institute of Technology)