11:30 AM - 11:45 AM
*Takashi S. MATSUDA1, Takuji NAKAMURA2, Mitsumu K. EJIRI2, Masaki TSUTSUMI2, Kazuo SHIOKAWA3, Makoto TAGUCHI4, Hidehiko SUZUKI4 (1.Graduate University for Advanced Studies, 2.National Institute of Polar Research, 3.Solar-Terrestrial Environment Laboratory, Nagoya University, 4.Rikkyo University)