5:30 PM - 5:45 PM
*Fusa MIYAKE1, Kimiaki MASUDA1, Masataka HAKOZAKI2, Toshio NAKAMURA2, Katsuhiko KIMURA3 (1.Solar-Terrestrial Environment Laboratory, Nagoya University, 2.Center for Chronological Research, Nagoya University, 3.Faculty of Symbiotic Systems Science, Fukushima University)