14:15 〜 14:30
*Heikki Vanhamaki1、Shin-ichiro Oyama1,2、Mark Conde3、Anita Aikio1、Lei Cai4、Ilkka Virtanen1 (1.University of Oulu, Finland、2.Institute for Space-Earth Environmental Research, Nagoya University, Japan、3.Geophysical Institute, University of Alaska Fairbanks, US、4.KTH Royal Institute of Technology, Sweden)