2:45 PM - 3:00 PM
*Daiki Asaoka1, Eiji Masunaga1, Shunsuke Komuro2, Shunichi Matsumoto2, Masahiko Ono3, Hiroaki Banba3 (1.Ibaraki University, 2.Ibaraki Kasumigaura Environmental Science Center, 3.Ministry of Land, Infrastructure, Transport and Tourism)