*Asuka YAMAGUCHI¹, Wataru TANIKAWA², Jun KAMEDA³, Mayuko SHIMIZU⁴, Yohei HAMADA⁵, Gaku KIMURA⁴ (1.Atmosphere and Ocean Research Institute, the University of Tokyo, 2.JAMSTEC/Kochi, 3.Graduate School of Science, Hokkaido University, 4.Department of Earth and Planetary Science, the University of Tokyo, 5.JAMSTEC/IFREE)

*Yujin KITAMURA¹, Gaku KIMURA², Jun KAMEDA³, Yui KOUKETSU⁴, Asuka YAMAGUCHI⁵, Hiroyuki KAGI⁴, Mari HAMAHASHI², Rina FUKUCHI², Yohei HAMADA⁶, Koichiro FUJIMOTO⁷, Yoshitaka HASHIMOTO⁸, Saneatsu SAITO⁶, Ryoji KAWASAKI², Hiroaki KOGE², Mayuko SHIMIZU², Takenao FUJII⁹ (1.Dept. Earth and Environmental Sci., Kagoshima University, 2.Dept. Earth and Planet. Sci., University of Tokyo, 3.Dept. Nat. Hist. Sci., Grad. Sch. Sci., Hokkaido University, 4.Geochem. Research Center, University of Tokyo, 5.Atmosph. Ocean Research Institute, University of Tokyo, 6.IFREE, JAMSTEC, 7.Tokyo Gakugei University, 8.Kochi University, 9.SHIMADZU Corp.)

*Jun KAMEDA¹, Mayuko SHIMIZU², Kohtaro UJIIE³, Takehiro HIROSE⁴, Matt IKARI⁵, Francesca REMITTI⁶, James MORI⁷, Frederick CHESTER⁸, Gaku KIMURA² (1.Hokkaido University, 2.University of Tokyo, 3.Tsukuba University, 4.JAMSTEC, 5.University of Bremen, 6.Universita di Modena, 7.kyoto University, 8.Texas A&M University)