*Zul Hilmi Saidin¹、Yuichi Onda²、Hiroaki Kato²、Momo Kurihara²、Kazuki Nanko³、Delphis F. Levia⁴ (1.Graduate School of Life and Environmental Sciences, University of Tsukuba, Tsukuba, Ibaraki, Japan、2.Center for Research in Isotopes and Environmental Dynamics, University of Tsukuba, Tsukuba, Ibaraki, Japan、3.Department of Disaster Prevention, Meteorology and Hydrology, Forestry and Forest Products Research Institute, Tsukuba, Ibaraki, Japan、4.Departments of Geography, University of Delaware, Newark, Delaware, USA)

*加藤 弘亮¹、恩田 裕一¹、Saidin Zul¹、栗原 モモ¹、篠塚 友輝²、赤岩 哲² (1.筑波大学アイソトープ環境動態研究センター、2.筑波大学生命環境学群地球学類)