3:30 PM - 3:45 PM
*Shuichi HARA1, Urumu TSUNOGAI1, Daisuke KOMATSU1, Juichiro ASHI2, Ko-ichi NAKAMURA3, Michinari SUNAMURA4, Fumiko NAKAGAWA5, Tomohiro TOKI6 (1.Graduate School of Environmental Studies, Nagoya Univ., 2.ORI.,Tokyo Univ., 3.National Institute of Advanced Industrial Science and Technology, 4.Division of Earth and Planetary Sciences, Grad. School Sci., Tokyo Univ., 5.Division of Earth and Planetary Sciences, Grad. School Sci.Hokkaido Univ,., 6.Department of chemistry, Bioligy and Marine Science,Ryukyu Univ,.)