*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.)

*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)