*Nakamura Kotomi¹, Satoshi Yamashita¹ (1.Kitami Institute Technology)

*HIROSHI ISHIDA¹, Masahiro Suzumura², Aumi Tsukasaki², Masayuki Nagao³, Atsushi Suzuki³, Takeshi Yoshida⁴, Mitsuhiro Ishii⁵, Kota Suzuki⁵, Takao Shima¹, Toshio Ogura⁶ (1.The Marine Ecology Research Institute , 2.Environmental Management Research Institute, National Institute of Advanced Industrial Science and Technology, 3.Research Institute of Geology and Geoinformation, Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology, 4.Chiba Prefectural Environmental Research Center, 5.Chiba Prefectural Fisheries Research Center, 6.Fisheries Cooperative Association of Kujukuri)

*Hideyoshi Yoshioka¹, Shinsuke Aoki², Miho Asada¹, Mikio Satoh¹ (1.Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology, 2.Kagawa University)

*Kiyofumi Suzuki¹, Mikio Satoh¹, Hideyoshi Yoshioka¹, PS21/CK22-03C /CK23-02C Shipboard Scientific Parties (1.National Institute of Advanced Industrial Science and Technology)

*Shinsuke Aoki¹, Kiyofumi Suzuki², Mikio Satoh³, Hideyoshi Yoshioka³, PS21 Shipboard Scientific Party, CK22-03C Shipboard Scientific Party, CK23-02C Shipboard Scientific Party (1.Faculty of Agriculture, Kagawa University, 2.Energy Process Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), 3.Research Institute for Geo-Resources and Environment, Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology (AIST))

*Yasumasa Sakai¹, Akira Ijiri¹, Yusuke Miyajima², Hideyoshi Yoshioka² (1.Kobe University, 2.The Ministry of Economy, Trade and Industry)

*Yuki Ota¹, Yusuke Miyajima¹, Satoshi Furota¹, Eri Ikeuchi¹, Kenta Asahina¹, Masanori Kaneko¹, Koki Tokuhiro², Shinsuke Aoki³, Kiyofumi Suzuki¹, Mikio Satoh¹ (1.National Institute of Advanced Industrial Science and Technology, 2.Marine Ecology Research Institute, 3.Faculty of Agriculture, Kagawa University)

*Miho Asada¹, Mikio Satoh¹, Shinsuke Aoki², Manabu Tanahashi¹ (1.NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY , 2.Kagawa University)

*Hayato MATSUSHITA¹, Kayoko Tsuruga¹, Chiharu Aoyama¹, Ryotaro Kobayashi¹ (1.Tokyo University of Marine Science and Technology)

*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))

*Yui Yoshizaki¹, Kei Okamura², Takuro Noguchi², Mayumi Hatta², Tatsuhiko Hoshino³, Makoto Takeuchi⁴, Takuya Itaki⁵, Saki Toyama⁶, Yudai Kobayashi¹, Kaho Tsukahara², Rentaro Yamashita², Shigeyoshi Otosaka⁴, Akira Ijiri¹ (1.Kobe University, 2.Kochi University, 3.Japan Agency for Marine-Earth Science and Technology, 4.Atmosphere and Ocean Research Institute, The University of Tokyo, 5.National Institute of Advanced Industrial Science and Technology, 6.Marine Works Japan Ltd.)

*Pei-Yuan Qian^1,2 (1.Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), 2.The Hong Kong University of Science and Technology)

*Koki Tokuhiro¹, Yuki Ota², Ayumi Tsukasaki², Shinya Suzuki³, Taka-aki Matsui³, Hiroshi Ishida¹, Masahiro Suzumura² (1.Marine Ecology Research Institute, 2.National Institute of Advanced Industrial Science and Technology, 3.Marine Biological Research Institute of Japan CO.,LTD)

*Hiromi Kayama WATANABE¹, Shino Yamamoto¹, Kingsley Jin-Ho Wong², Tong Vicki Wei³, Shumpei Hattori⁴, Ami Morita⁵, Akira Ijiri⁶ (1.Japan Agency for Marine-Earth Science and Technology, 2.Academia Sinica, Taiwan, 3.Hong Kong University of Science and Technology, 4.Kitasato University, 5.Kanazawa University, 6.Kobe University)

*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)

Haruka Fukaki², *Robert Jenkins¹ (1.School of Geosciences and Civil Engineering, College of Science and Engineering, Kanazawa University, 2.Geosciences and Civil Engineering, Graduate School of Natural Science and Technolkogy, Kanazawa University)