Hinako Masukawa^1,2, Runa Kobayashi^2,3, Yohei Matsui², Yuki Morono², Motoo Ito², Yoshihiro Takaki², Ken Takai², Hiroyuki Arai¹, *Masahiro Yamamoto^2,3 (1.Japan Agency for Marine-Earth Science and Technology, 2.The University of Tokyo, 3.Yokohama City University)

*Hikaru Sawada^1,2, Ryosuke Oyanagi^2,3, Junichi Miyazaki², Masayuki Miyazaki², Hisanori Iwamoto⁴, Ken Takai² (1.University of Toyama, 2.JAMSTEC, 3.Kokushikan University, 4.Nippon Marine Enterprises, Ltd.)

*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)