*Yasuhiko Ohara^1,2, Kyoko Okino³, Norikatsu Akizawa³, Masakazu Fujii⁴, Yumiko Harigane⁵, Naoto Hirano⁶, Ken-ichi Hirauchi⁷, Osamu Ishizuka⁵, Shiki Machida⁸, Katsuyoshi Michibayashi⁹, Alessio Sanfilippo¹⁰, Jonathan E. Snow¹¹, Hiroyuki Yamashita¹² (1.Hydrographic and Oceanographic Department of Japan, 2.Japan Agency for Marine-Earth Science and Technology, 3.Atmosphere and Ocean Research Institute, University of Tokyo, 4.National Institute of Polar Research, 5.Geological Survey of Japan/AIST, 6.Tohoku University, 7.Shizuoka University, 8.Chiba Institute of Technology, 9.Nagoya University, 10.University of Pavia, 11.University of Houston, 12.Kanagawa Prefectural Museum of Natural History)

*Norikatsu Akizawa¹, Shiki Machida², Kyoko Okino¹, Yasuhiko Ohara³ (1.Atmosphere and Ocean Research Institute, The University of Tokyo, 2.Ocean Resources Research Center for Next Generation, Chiba Institute of Technology, 3.Hydrographic and Oceanographic Department of Japan)

*Keishiro Azami¹, Shiki Machida², Naoto Hirano³, Tetsu Kogiso⁴, Yasuhiro Kato^1,2 (1.Department of System Innovation, School of Engineering, The University of Tokyo, 2.Ocean Resources Research Center for Next Generation, Chiba Institute of Technology, 3.Center for Northeast Asian Studies, Tohoku University, 4.Graduate School of Human and Environmental Studies, Kyoto University)

*Koichiro Fujinaga^1,2, Kazutaka Yasukawa^3,1, Tatsuo Nozaki^4,2,1,5, Shiki Machida^1,2, Yutaro Takaya^6,2,1, Junichiro Ohta^1,2, Moei Yano³, Ryo Shimomura³, Erika Tanaka³, Kazuhide Mimura³, Koichi Horinouchi³, Kenji Matsumoto³, Yoichi Usui⁴, Hirofumi Yamamoto⁴, Kentaro Nakamura³, Yasuhiro Kato^2,3,1, KM17-14C cruise members (1.Ocean Resources Research Center for Next Generation, Chiba Institute of Technology, 2.Frontier Research Centerfor Energy and Resources, School of Engineering, The University of Tokyo, 3.Department of Systems Innovation, School of Engineering, The University of Tokyo, 4.Japan Agencyfor Marine-Earth Science and Technology, 5.Department of Planetology, Graduate Schoolof Science, Kobe University, 6.Department of Resources and Environmental Engineering School of Creative Science and Engineering, Waseda University)

*Erika Tanaka¹, Kentaro Nakamura¹, Kazutaka Yasukawa^1,2, Koichiro Fujinaga², Koichi Iijima³, Shiki Machida², Yasuhiro Kato^1,2 (1.School of Engineering, The University of Tokyo, 2.ORCeNG, Chiba Institute of Technology, 3.JAMSTEC)

*Teruaki Ishii¹, Yukihiro - Kida², Izumi - Sakamoto³, Shiki -- Machida⁴ (1.Center for Integrated Research and Education of Natural Hazards, Sizuoka University, 2.JAMSTEC, 3.Toukai University, 4.Chiba Institute of Technology)

*Shiki Machida^1,2, Taichi Sato³, Kazutaka Yasukawa² (1.Ocean Resources Research Center for Next Generation, Chiba Institute of Technology, 2.University of Tokyo, 3.AIST)

*Teruaki Ishii¹, Yukihiro - Kida², Izumi - Sakamoto³, Shiki -- Machida⁴ (1.Center for Integrated Research and Education of Natural Hazards, Sizuoka University, 2.JAMSTEC, 3.Toukai University, 4.Chiba Institute of Technology)

*Shiki Machida^1,2, Taichi Sato³, Kazutaka Yasukawa² (1.Ocean Resources Research Center for Next Generation, Chiba Institute of Technology, 2.University of Tokyo, 3.AIST)

*Yasuhiro Kato^1,2, Kentaro Nakamura¹, Koichiro Fujinaga^2,1, Kazutaka Yasukawa^1,2, Yutaro Takaya^3,1,2, Junichiro Ohta^2,1, Erika Tanaka¹, Kazuhide Mimura¹, Koichi Iijima^4,1, Shiki Machida^2,1, Tatsuo Nozaki^4,1,2,5, Jun-Ichi Kimura⁴, Hikaru Iwamori^1,4,6 (1.The University of Tokyo, 2.ORCeNG, Chiba Institute of Technology, 3.Waseda University, 4.JAMSTEC, 5.Kobe University, 6.Tokyo Institute of Technology)

*Aoi Murakami¹, Yusuke Sawaki², Hisahiro Ueda³, Yuji Orihashi⁴, Shiki Machida⁵, Tsuyoshi Komiya² (1.Department of Earth and Planetary Science, Graduate School of Science, The University of Tokyo, 2.The University of Tokyo, 3.Tokyo Institute of Technology, 4.Hirosaki University, 5.Chiba Institute of Technology)

*Aoi Murakami¹, Yusuke Sawaki², Hisahiro Ueda³, Yuji Orihashi⁴, Shiki Machida⁵, Tsuyoshi Komiya² (1.Department of Earth and Planetary Science, Graduate School of Science, The University of Tokyo, 2.The University of Tokyo, 3.Tokyo Institute of Technology, 4.Hirosaki University, 5.Chiba Institute of Technology)

*Shugo Minabe¹, Kazuhide Mimura¹, Kentaro Nakamura¹, Junichiro Ohta^2,1, Kazutaka Yasukawa^1,2, Koichiro Fujinaga^2,1, Shiki Machida², Yasuhiro Kato^3,1,2 (1.Department of Systems Innovation, School of Engineering, The University of Tokyo, 2.Ocean Resource Research Center for Next Generation, Chiba Institute of Technology, 3.Frontier Research Center for Energy and Resources, School of Engineering, The University of Tokyo)

*Shugo Minabe¹, Kazuhide Mimura¹, Kentaro Nakamura¹, Junichiro Ohta^2,1, Kazutaka Yasukawa^1,2, Koichiro Fujinaga^2,1, Shiki Machida², Yasuhiro Kato^3,1,2 (1.Department of Systems Innovation, School of Engineering, The University of Tokyo, 2.Ocean Resource Research Center for Next Generation, Chiba Institute of Technology, 3.Frontier Research Center for Energy and Resources, School of Engineering, The University of Tokyo)

*Kazuhide Mimura¹, Katsushi Yamamoto¹, Kentaro Nakamura¹, Kazutaka Yasukawa^1,2, Junichiro Ohta², Koichiro Fujinaga^2,1, Shiki Machida², Yoichi Usui³, Yasuhiro Kato^1,2 (1.Department of Systems Innovation, School of Engineering, the University of Tokyo, 2.ORCeNG, Chiba Institute of Technology, 3.JAMSTEC)

*Daiki Terauchi¹, Kentaro Nakamura¹, Ryo Shimomura¹, Koichi Horinouchi¹, Kazutaka Yasukawa^1,2, Shiki Machida^2,1, Yasuhiro Kato^1,2,3 (1.Department of Systems Innovation, School of Engineering, University of Tokyo, 2.Ocean Resources Research Center for Next Generation, Chiba Institute of Technology, 3.Frontier Research Center for Energy and Resources, School of Engineering, The University of Tokyo)

*Shiki Machida^1,2, Ryo Shimomura², Koichi Horinouchi², Kentaro Nakamura², Tetsu Kogiso³, Yasuhiro Kato^2,1 (1.Ocean Resources Research Center for Next Generation, Chiba Institute of Technology, 2.University of Tokyo, 3.Kyoto University)

*Daiki Terauchi¹, Kentaro Nakamura¹, Ryo Shimomura¹, Koichi Horinouchi¹, Kazutaka Yasukawa^1,2, Shiki Machida^2,1, Yasuhiro Kato^1,2,3 (1.Department of Systems Innovation, School of Engineering, University of Tokyo, 2.Ocean Resources Research Center for Next Generation, Chiba Institute of Technology, 3.Frontier Research Center for Energy and Resources, School of Engineering, The University of Tokyo)

*Shiki Machida^1,2, Ryo Shimomura², Koichi Horinouchi², Kentaro Nakamura², Tetsu Kogiso³, Yasuhiro Kato^2,1 (1.Ocean Resources Research Center for Next Generation, Chiba Institute of Technology, 2.University of Tokyo, 3.Kyoto University)

*Kentaro Nakamura¹, Koichi Horinouchi¹, Ryo Shimomura¹, Shiki Machida², Kazutaka Yasukawa^1,2, Koichiro Fujinaga^1,2, Yasuhiro Kato^1,2 (1.Department of Systems Innovation, School of Engineering, University of Tokyo, 2.ORCeNG, Chiba Institute of Technology)