Chiya Sugihara¹, *Akihiro Kano¹, Katsunori Yanagawa¹, Tomoyo Okumura², Chizuru Takashima³ (1.Graduate School of Social and Cultural Studies, Kyushu University, 2.JAMSTEC, 3.Saga University)

*Katsunori Yanagawa¹, Atsushi Tani², Naoya Yamamoto², Akihiro Hachikubo³, Akihiro Kano¹, Ryo Matsumoto⁴, Yohey Suzuki⁵ (1.Graduate School of Social and Cultural Studies, Kyushu University, 2.Department of Earth and Space Science, Graduate School of Science, Osaka University, 3.Environmental and Energy Resources Research Center, Kitami Institute of Technology, 4.Gas Hydrate Laboratory, Meiji University, 5.Department of Earth and Planetary Science, University of Tokyo)

*Fumito Shiraishi¹, Yuhsaku HANZAWA¹, Tomoyo Okumura², Akihiro Kano³ (1.Hiroshima University, 2.JAMSTEC, 3.Kyushu University)

*Akihiro Kano¹ (1.Graduate School of Social and Cultural Studies, Kyushu University)

*Miyahara Reina¹, Taiki Mori¹, Akihiro Kano¹, Satoko Owari², Hitoshi Tomaru², Yoshihiro Kakizaki³, Yoshitaka Kakuwa³, Ryo Matsumoto³ (1.Kyushu University Graduate School of Integrated Sciences for Global Society, 2.Chiba University, 3.Meiji University)

*Kanako Omine¹, Ryu Uemura¹, Satoru Mishima¹, Akihiro Kano², Tomomi Sone³, Kenji Kashiwagi⁴ (1.Department of Chemistry, Biology and Marine Science, University of the Ryukyus, 2.Graduate School of Social and Cultural Studies, Kyushu University, 3.Marine Works Japan, 4.University of Toyama)

*Tian Luan¹, Taiki Mori¹, Akihiro Kano¹, Kenji Kashiwagi² (1.Graduate School of Integrated Sciences for Global Society, Kyushu University, 2.Toyama University)

*Akihiro Kano¹ (1.Graduate School of Social and Cultural Studies, Kyushu University)

*Taiki Mori¹, Akihiro Kano¹, Hu Hsun-Ming², Shen Chuan-Chou², Kenji Kashiwagi³ (1.Kyushu Univ., 2.National Taiwan Univ., 3.Toyama Univ.)