* Song Zijun¹, Yagyu Shinsuke², Matsuzaki Takuya², Masafumi MURAYAMA², Naoya Kanna³, Hajime Obata³, Toshiro Yamanaka¹ (1.Tokyo University of Marine Science and Technology, 2.Marine Core Research Institute, Kochi University, 3.Atmosphere and Ocean Research Institute, The University of Tokyo)

*Naoya Kanna¹, Shin Sugiyama³, Daiki Nomura², Marius Schaefer⁴, Hajime Obata¹ (1.Atmosphere and Ocean Research Institute, The University of Tokyo, 2.The Field Science Center for Northern Biosphere, Hokkaido University, 3.Institute of Low Temperature Science, Hokkaido University, 4.Universidad Austral de Chile)

*Hajime Obata¹, Inhee Kim¹, Naoya Kanna¹, Shigeyoshi Otosaka¹ (1.Marine inorganic chemistry group, Atmosphere and Ocean Research Institute, University of Tokyo)

*Inhee Kim¹, Naoya Kanna¹, Shigeyoshi Otosaka¹, Hajime Obata¹, Kazuhiro Norisuye² (1.Atmosphere and Ocean Research Institute, The University of Tokyo, 2.Niigata University)