4:30 PM - 4:45 PM
*Yuki TAKANO1, Kei YOSHIMURA2, Michio MURAKAMI3, Takeshi UEMURA4 (1.Dept. of Earth and Planetary Phys., Univ. Tokyo, 2.Atmosphere and Ocean Research Institute, Univ. Tokyo, 3.Institute of Industrial Science, Univ. Tokyo, 4.Kaijo Junior and Senior High school)