9:00 AM - 9:15 AM
*Motoki Sasakawa1, Toshinobu Machida1, Akihiko Ito1, Noritsugu Tsuda2, Mikhail Arshinov3, Denis Davydov3, Aleksandr Fofonov3 (1.National Institute of Environmental Studies, 2.Global Environmental Forum, 3.V.E. Zuev Institute of Atmospheric Optics, Russian academy of sciences, Siberian branch)