*Shogo Komori¹, Yuka Masaki², Wataru Tanikawa², Junji Torimoto², Yusuke Ota³, Masato Makio⁴, Lena Maeda², Jun-ichiro Ishibashi⁴, Tatsuo Nozaki², Osamu Tadai⁵, Hidenori Kumagai², CK16-01 on board member (1.National Institute of Advanced Industrial Science and Technology, 2.Japan Agency for Marine-Earth Science and Technology, 3.Kyoto Univerity, 4.Kyushu University, 5. Marine Works Japan)

*Koichiro Fujinaga^1,2, Kazutaka Yasukawa^2,1, Tatsuo Nozaki^3,2,4, Shiki Machida^3,2, Koichi Iijima^3,2, Hitomi Tateno², Takehiro Kawasaki², Ayu Takahashi³, Hiroshi Amakawa³, Junji Torimoto³, Yusuke Fukami³, Katsuhiko Suzuki³, Kentaro Nakamura², Yasuhiro Kato^2,1,3, MR15-02 cruise members (1.Ocean Resources Research Center for Next Generation, Chiba Institute of Technology, 2.School of Engineering, The University of Tokyo, 3.JAMSTEC, 4.Graduate School of Science, Kobe University)