*Jin-Oh Park¹, Asuka Yamaguchi¹, Chiori Tamura¹, Katsura Kameo¹, Hideo Ishigaki¹, YUE SUN¹, Yuqi Lyu¹, Noboru Yamakawa¹, Jumpei Yoshioka¹, Seitaro Ono¹, Yuning Zeng¹, Ayanori Misawa², Tetsuo No³, Kusumoto Satoshi³, Hironori Otsuka⁴, Atsushi Matsuoka⁵, Rina Fukuchi⁶, Takuya Sagawa⁷, Yoichi Usui⁷, Taro Arikawa⁸, Takanori Kagoshima⁹, JING ZHANG⁹, Shimpei Ohtsuka⁹, Michael Julian Haryanto⁹, Tomohiro Toki¹⁰, Takahisa Maekura¹⁰, Zahra Zandvakili¹¹, Yudai Kobayashi¹², Tomoharu Senjyu¹³, Akie Sakai¹³, Yoshiki Horiuchi¹⁴, Hikaru Iwamaru¹⁴, Yusuke Sato¹⁵, Yu Suzuki¹⁶ (1.AORI, 2.AIST, 3.JAMSTEC, 4.KOBEC, 5.Niigata University, 6.Naruto University of Education, 7.Kanazawa University, 8.Chuo University, 9.University of Toyama, 10.University of the Ryukyus, 11.Kochi University, 12.Kobe University, 13.Kyushu University, 14.NME, 15.MWJ, 16.MOLMEC)

*Yuji Sano¹, Maolaing Zhang², Tomohiro Toki³, Rina Fukuchi⁴, Takanori Kagoshima⁵, Naoto Takahata⁶, Jin-Oh Park⁶, Asuka Yamaguchi⁶ (1.Marine Core Research Institute, Kochi University , 2.School of Earth Ssytem Science, Tianjin University , 3.Faculty of Science, University of the Ryukyus, 4.Graduate School of Education, 5.Faculty of Science, University of Toyama , 6.Atmosphere and Ocean Research Institute)

*Makoto Otsubo¹, Masataka Kinoshita², Minoru Ikehara³, Ryuta Arai⁴, Ayanori Misawa¹, Hiroaki Koge¹, Katsura Kameo⁵, Chiori Tamura⁵, Ryoji Toda⁵, Stephen P. Obrochta⁶, Takanori Kagoshima⁷, Tomohiro Toki⁸, Daisuke Kuwano⁹, Seiya Fujishima⁹, Akane Yamamoto^1,10, Natsuki Nomura¹¹, Aya Osanai¹¹, Keita Kono¹¹, Issui Ikuma¹¹, Chika Onai¹², Yusei Miyamoto¹², Yuka Taira⁸, Yu Miyagi⁸, Soma Sato⁶, Michelle M. Nishimoto^13,1, Yukihiko Nakano¹⁴, Hikaru Iwamaru¹⁵, Yu Suzuki¹⁶ (1.Geological Survey of Japan, AIST, 2.ERI, The University of Tokyo, 3.Marine Core Research Institute, Kochi University, 4.JAMSTEC, 5.AORI, The University of Tokyo, 6.Akita University, 7.Toyama University, 8.The University of Ryukyus, 9.Kyoto University, 10.Nihon University, 11.Kochi University, 12.Chiba University, 13.Japan Women's University, 14.Marine Works Japan Ltd., 15.Nippon Marine Enterprises, Ltd., 16.MOL Marine & Engineering Co., Ltd.)

*Tomohiro Toki^1,2, Yu Miyagi¹, Yuka Taira¹, Kae Miyazato¹, Takanori Kagoshima³, Akira Ijiri⁴, Yusuke Miyajima⁵, Ryuichi Shinjo^1,2, Makoto Otsubo⁵, Masataka Kinoshita⁶, KH-23-11 Shipboard Scientists (1.Faculty of Science, University of the Ryukyus, 2.RIHN, 3.Toyama University, 4.Kobe University, 5.AIST, 6.ERI)

*Kantaro Yamada¹, Tomohiro Toki², Hironori Otsuka¹, Takuya Itaki³, Masafumi MURAYAMA⁴, Akira Ijiri¹ (1.Kobe University, 2.University of the Ryukyus, 3.Geological Survey of Japan, AIST, 4.Kochi University)

*Hironori Otsuka¹, Akira Ijiri², RYO NAKANISHI³, Rina Fukuchi⁴, Tatsuhiko Hoshino⁵, Tomohiro Toki⁶, Takuya Itaki⁷, Kazuya Kitada⁵, Miho Asada⁷, Mako Nakao⁹, Yu Suzuki⁹, Yashunari Hatano⁸, Makoto Matsushita⁸, Kanji Tatsumi², Takeru Yoshimoto², KH-23-4 shipboard scientists (1.KOBEC, Kobe University, 2.Kobe University, 3.Kyoto University, 4.Naruto university of Education, 5.JAMSTEC, 6.University of the Ryukyus, 7.AIST, 8.Kochi University, 9.MOLMEC)

*Rina Fukuchi¹, YANG ZHAO², Akira Ijiri³, Takuya Itaki⁴, Takeru Yoshimoto³, Asuka Yamaguchi², Masafumi Murayama⁵, Hironori Otsuka³, Tomohiro Toki⁶, Tatsuhiko Hoshino⁷, KH-23-4 shipboard scientists (1.Naruto university of Education, 2.Atmosphere and Ocean Research Institute, The University of Tokyo , 3.Kobe University, 4.National Institute of Advanced Industrial Science and Technology, 5.Kochi University, 6.University of the Ryukyus, 7.Japan Marine-Earth Science and Technology (JAMSTEC))

*Tatsuhiko Hoshino^1,2, Tomohiro Toki³, Takuro Noguchi⁴, Juichiro Ashi⁵, Masafumi MURAYAMA⁴, Akira Ijiri⁶ (1.Kochi Institute for Core Sample Research, Japan Agency for Marine-Earth Science and Technology, 2.Advanced Institute for Marine Ecosystem Change (WPI-AIMEC), 3.Faculty of Science, University of the Ryukyus, 4.Research and Education Faculty, Kochi University, 5.Atmosphere and Ocean Research Institute, The University of Tokyo, 6.Graduate School of Maritime Sciences, Kobe University)