6:15 PM - 7:30 PM
*Sachi WAKASA1, Daizo ISHIYAMA2, Osamu MATSUBAYA3, Hinako SATO2, Kicheol SHIN4, Takanori NAKANO4 (1.Center for Geo-Environmental Science, Akita Unisity, 2.Faculty of International Resource Sciences, Akita University, 3.Emeritus professor, Akita University, 4.Research Institute for Humanity and Nature)