*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.)