*Atsushi Urai^1,2, Yoshinori Takano², Naohiko Ohkouchi² (1.Department of Science and Technology, Graduate School of Medicine, Science and Technology, Shinshu University, 2.Department of Biogeochemistry, Japan Agency for Marine-Earth Science and Technology)

*Shinsaku Nakano¹, Shingo Kato², Mariko Kouduka¹, Toshitsugu Yamazaki³, Yohey Suzuki¹ (1.Graduate School of Science, The University of Tokyo, 2.RIKEN, 3.Atmosphere and Ocean Research Institute, The University of Tokyo)

*Mariko Kouduka¹, Yohey Suzuki¹ (1.Department of Earth and Planetary Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, Japan.)

*Makoto Matsushita¹, Yoshinori Takano¹, Hiroyuki Imachi¹, Atsushi Urai², Ho-Dong Park³, Hiroki Iwata³, Naohiko Ohkouchi¹ (1.Japan Agency for Marine-Earth Science and Technology, 2.Department of Science and Technology, Graduate School of Medicine, Science and Technology, Shinshu University, 3.Department of Environmental Sciences, Faculty of Science, Shinshu University)

*Hinako Takamiya¹, Hiroki Mukai², Mariko Kouduka¹, Shingo Kato⁴, Motoo Ito³, Yohey Suzuki¹ (1.Earth and Planetary Science Graduate School of Science, The University of Tokyo , 2.National Institute of Advanced Industrial Science and Technology, 3.Kochi Institute for Core Sample Research JAMSTEC, 4.RIKEN)

*Yuki Morono¹, Go-Ichiro Uramoto^2,1, Kentaro Uesugi³, Nobuhisa Takeuchi³, Masayuki Uesugi³, Kengo Kubota⁴, Tatsuhiko Hoshino¹, Fumio Inagaki¹ (1.Japan Agency for Marine-Earth Science and Technology, 2.Kochi University, 3.Japan Synchrotron Radiation Research Institute, 4.Tohoku University)

*Yoshinori Takano¹ (1.Japan Agency for Marine-Earth Science and Technology (JAMSTEC))