*Kaho Mori^1,2, Yu Nakajima^3,4, Masumi Hasegawa-Takano⁴, Kento Tominaga¹, Satoshi Nishino^1,2, Chunqi Jiang², Taichi Yokokawa⁴, Chiho Sukigara⁵, Shinsuke Kawagucci⁶, Susumu Yoshizawa^1,2 (1.Graduate School of Frontier Science, The University of Tokyo, 2.Department of Marine Ecosystem Science, Atmosphere and Ocean Research Institute, The University of Tokyo, 3.Research Institute for Marine Resources Utilization, Japan Agency for Marine-Earth Science and Technology, 4.Institute for Extra-cutting-edge Science and Technology Avant-garde Research, Japan Agency for Marine-Earth Science and Technology, 5.Research Institute for Global Change, Japan Agency for Marine-Earth Science and Technology, 6.SIP National Platform for Innovative Ocean Developments, Japan Agency for Marine-Earth Science and Technology)

*Matsuoka Kohei¹, Yoshiki Sohrin¹, Shinsuke Kawagucci², Tomohiro Toki³ (1.Kyoto University, 2.Japan Agency for Marine-Earth Science and Technology, 3.Facaltyof the science, University of the Ryukyus)

*Tomoyo Okumura¹, Junichi Miyazaki², Shinsuke Kawagucci², Eiji Tasumi², Ken Takai², Yumiko Harigane³, Molly Anderson⁴, Emily Chin⁵, Nicholas Dygert⁶, Veronique Le Roux⁷, Matthew Leybourne⁸, Yasuhiko Ohara⁹, Ignacio Pujana¹⁰, Robert J. Stern¹⁰, TN438 on board scientist and students (1.Marine Core Research Institute, Kochi University, 2.JAMSTEC, 3.AIST, 4.Woods Hole Oceanographic Institution, 5.Scripps Institution of Oceanography, 6.University of Tennessee, 7.Université de Lorraine, 8.Queen’s University, 9.Hydrographic and Oceanographic Department of Japan, 10.University of Texas at Dallas)

Yui Yoshizaki¹, Tatsuhiko Hoshino³, Shigeyoshi Otosaka², Youhei Yamashita⁴, Yohei Matsui³, Shinsuke Kawagucci³, Kazuyo Yamaji¹, Mmakoto Takeuchi², Kei Okamura⁵, Takuro Noguchi⁵, *Akira Ijiri¹ (1.Kobe University, 2.Atmosphere and Ocean Research Institute, The University of Tokyo, 3.JAMSTEC, 4.Hokkaido University, 5.Kochi University)