Area-dependent Inter-catchment Groundwater Flow in Forested Catchments: A Perspective Based on Multi-catchment Water Balance Observations in Japan

Tomoki Oda1, Kenta Iwasaki2, Tomohiro Egusa3, Tayoko Kubota2, Sho Iwagami2, Shin'ichi Iida2, Hiroki Momiyama2 and Takanori Shimizu2, (1)Forestry & Forest Products Research Institute, Ibaraki, Japan, (2)Forestry & Forest Products Research Institute, Tsukuba, Japan, (3)Shizuoka University, Faculty of Agriculture, Shizuoka, Japan