Seasonal variation of groundwater discharge using Sr and water isotopes in a watershed with extensive irrigated paddies


Takeo Yoshida1, Takanori Nakano2, Ki-Cheol Shin2, Takeo Tsuchihara3, Susumu Miyazu4 and Tomijiro Kubota3, (1)NIRE National Institute for Rural Engineering, Tsukuba, Japan, (2)Research Institute for Humanity and Nature, Kyoto, Japan, (3)Institute for Rural Engineering, NARO, Tsukuba, Japan, (4)NARO National Agriculture and Food Research Organization, Ibaraki, Japan