[A-HW34] Isotope Hydrology 2020

convener:Masaya Yasuhara(Rissho Univ.), Kohei Kazahaya(Geological Survey of Japan, AIST), Shinji Ohsawa(Institute for Geothermal Sciences, Graduate School of Science, Kyoto University), Kazuyoshi Asai(Geo Science Laboratory)

The purpose of the session is to review the present state of knowledge of isotope
hydrology, by bringing together hydrologists, geologists, volcanologists, geochemists, agronomists, ecologists, engineers and so on.

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Introduction (10:45 AM - 10:50 AM)

[AHW34-04] Natural and anthropogenic impact of groundwater in sandy aquifer systems in Kalpitiya Peninsula, Sri Lanka

★Invited Papers

*Rohana Chandrajith¹, Kaushalya Jayathunga¹ (1.Department of Geology, University of Peradeniya, Sri Lanka)

[AHW34-05] Simulation analysis of effect of mixing and reaction on groundwater nitrogen contamination in Kathmandu Valley, Nepal by a mathematical model

*Ken Yokozawa^1,2, Kei Nishida^1,3, Tadashi Toyama^1,3, Takashi Nakamura^1,3, Hiroshi Ishidaira^1,3 (1.University of Yamanashi, 2.Special Graduate Program on River Basin Environment Science, 3.ICRE)

[AHW34-06] A geochemical study on origins of shallow groundwater in a densely-populated urban area, Shinagawa City, Japan

Yuki Itoh¹, *Masaya Yasuhara¹, Seongwon Lee¹, Takashi Nakamura², Akihiko Inamura³, Kazuyoshi Asai⁴, Kazumi Asai⁴ (1.Rissho Univ., 2.Yamanashi Univ., 3.Geological Survey of Japan (AIST), 4.Geoscience Laboratory)

[AHW34-07] Stable isotope-based approach to validate effects of canopy openness and under story on soil water in a Japanese forest plantation

*Saki Omomo¹, Yuichi Onda¹, Boutefnouchet Racim Mohamed¹, Chiu Wei Chen², Takashi Gomi², Sean Andrew Hudson³, Yupan Zhang¹, Janice Elaine Hudson³ (1.University of Tsukuba Center for research in isotopes and enviromental dynamics, 2.Tokyo University of Agriculture and Technology Faculty of Agriculture International Environmental Agriculture , 3.University of Tsukuba Faculty of Life and enviromental Sciences)

Discussion (12:05 PM - 12:15 PM)