[A-HW23] Isotope Hydrology 2023

Wed. May 24, 2023 1:45 PM - 3:00 PM 106 (International Conference Hall, Makuhari Messe)

convener:Masaya Yasuhara(Rissho Univ.), Kazuyoshi Asai(Geo Science Laboratory), Takashi Nakamura(International Research Center for River Basin Environment, University of YAMANASHI), Shinji Ohsawa(Institute for Geothermal Sciences, Graduate School of Science, Kyoto University), Chairperson:Masaya Yasuhara(Rissho Univ.), Takashi Nakamura(International Research Center for River Basin Environment, University of YAMANASHI), Kazuyoshi Asai(Geo Science Laboratory), Noritoshi Morikawa(Geological Survey of Japan, AIST)

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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1:45 PM - 2:10 PM

[AHW23-01] Residence time estimation of geothermal fluids using environmental tracers

★Invited Papers

*Koki Kashiwaya¹, Ikuya Inukai², Ikuto Sakai¹, Yohei Tada¹, Kensuke Matsumoto³, Hiroyuki Matsuzaki⁴, Katsuaki Koike¹ (1.Graduate School of Engineering, Kyoto University, 2.Graduate School of Engineering, Kyoto University (Former affiliation), 3.Okuaizu Geothermal Co., Ltd, 4.The University Museum, The University of Tokyo)

2:10 PM - 2:25 PM

[AHW23-02] Geochemical Investigation to Elucidate Fluid Origin, Subsurface Processes, and Recharge for Geothermal Conceptual Modeling

*Nyora Donald Kobare^1,2, Irwan Iskandar², Suryantini Suryantini ², Koki Kashiwaya¹, Katsuaki Koike¹ (1.Environmental Geosphere Engineering Laboratory, Department of Urban Management, Graduate School of Engineering, Kyoto University, Katsura C1-2, Kyoto 615-8540, Japan., 2.Geothermal Engineering Master’s Program, Faculty of Mining and Petroleum Engineering, Bandung Institute of Technology, Jl. Ganesha 10, Bandung 40132, Indonesia)

2:25 PM - 2:40 PM

[AHW23-03] Cause of strong acidity in non-volcanic area inferred from light element isotopic compositions and rock-water reaction

*Ryosuke Yanagisawa¹, Koichi Sakakibara¹, Hirochika Sumino², Kou Takahashi¹, Nanae Fukushima³, Junichi Yamamoto⁴, Terumi Ejima¹ (1.Faculty of Science, Shinshu University, 2.Research Center for Advanced Science and Technology, The University of Tokyo, 3.Graduate School of Arts and Sciences, The University of Tokyo, 4.Suwa Seiryo high school, Suwa, Nagano)

2:40 PM - 2:55 PM

[AHW23-04] Revisiting Mt Fuji’s spring water origins with classic and novel tracer methods

*Oliver S. Schilling^1,2, Kazuyo Nagaosa³, Tanja U. Schilling⁴, Matthias S. Brennwald², Rumi Sohrin³, Yama Tomonaga^1,5, Rolf Kipfer^2,6,7, Philip Brunner⁸, Kenji Kato³ (1.Hydrogeology, Department of Environmental Sciences, University of Basel, Switzerland, 2.Eawag, Swiss Federal Institute of Aquatic Science and Technology, Duebendorf, Switzerland, 3.Department of Geosciences, Shizuoka University, Shizuoka, Japan, 4.Department of Geology and Geological Engineering, Université Laval, Quebec, Quebec, Canada, 5.Entracers GmbH, Dübendorf, Switzerland, 6.Institute of Biogeochemistry and Pollutant Dynamics, ETH Zurich, Zurich, Switzerland, 7.Institute of Geochemistry and Petrology, ETH Zurich, Zurich, Switzerland, 8.Centre for Hydrogeology and Geothermics (CHYN), University of Neuchatel, Neuchatel, Switzerland)

Discussion (2:55 PM - 3:00 PM)

Session information