[A-HW34] Isotope hydrology 2026

[AHW34-P01] A geochemical study on urban shallow groundwater system in central Tokyo, Japan

*Yuki Itoh¹, Masaya Yasuhara², Seongwon Lee², Takashi Nakamura³, Kazuyoshi Asai⁴, Masaaki Takahashi⁵ (1. Rissho University graduate School of Geo-environmental Science, 2. Faculty of Geo-Environmental Science, Rissho University, 3. International Research Center for River Basin Environment, University of YAMANASHI, 4. Geo Science Laboratory, 5. National Institute of Advanced Industrial Science and Technology (AIST))

Keywords:urban area, shallow groundwater, isotope, sewage leakage