Fri. May 31, 2024 10:45 AM - 12:00 PM 202 (International Conference Hall, Makuhari Messe)

[J] Oral
| A (Atmospheric and Hydrospheric Sciences )
| A-HW Hydrology & Water Environment

[A-HW24] Isotope Hydrology 2024

convener:Masaya Yasuhara(Rissho Univ.), Kazuyoshi Asai(Geo Science Laboratory), Takashi Nakamura(International Research Center for River Basin Environment, University of YAMANASHI), Koki Kashiwaya(Graduate School of Engineering, Kyoto University), Chairperson:Masaya Yasuhara(Rissho Univ.), Takashi Nakamura(International Research Center for River Basin Environment, University of YAMANASHI), Kazuyoshi Asai(Geo Science Laboratory), Koki Kashiwaya(Graduate School of Engineering, Kyoto University)

Fri. May 31, 2024 5:15 PM - 6:45 PM Poster Hall (Exhibition Hall 6, Makuhari Messe)

[J] Poster
| A (Atmospheric and Hydrospheric Sciences )
| A-HW Hydrology & Water Environment

[A-HW24] Isotope Hydrology 2024

convener:Masaya Yasuhara(Rissho Univ.), Kazuyoshi Asai(Geo Science Laboratory), Takashi Nakamura(International Research Center for River Basin Environment, University of YAMANASHI), Koki Kashiwaya(Graduate School of Engineering, Kyoto University)

Mon. May 27, 2024 1:45 PM - 3:00 PM 301A (International Conference Hall, Makuhari Messe)

[J] Oral
| H (Human Geosciences )
| H-CG Complex & General

[H-CG25] Cultural Hydrology

convener:Takashi Nakamura(International Research Center for River Basin Environment, University of YAMANASHI), Yasuhisa Kondo(Research Institute for Humanity and Nature), Soyo TAKAHASHI(University of the Ryukyus), Masaya Yasuhara(Rissho Univ.), Chairperson:Takashi Nakamura(International Research Center for River Basin Environment, University of YAMANASHI), Masaya Yasuhara(Rissho Univ.), Yasuhisa Kondo(Research Institute for Humanity and Nature)

Mon. May 27, 2024 5:15 PM - 6:45 PM Poster Hall (Exhibition Hall 6, Makuhari Messe)

[J] Poster
| H (Human Geosciences )
| H-CG Complex & General

[H-CG25] Cultural Hydrology

convener:Takashi Nakamura(International Research Center for River Basin Environment, University of YAMANASHI), Yasuhisa Kondo(Research Institute for Humanity and Nature), Soyo TAKAHASHI(University of the Ryukyus), Masaya Yasuhara(Rissho Univ.)

Fri. May 31, 2024 10:45 AM - 12:00 PM 202 (International Conference Hall, Makuhari Messe)

[J] Oral
| A (Atmospheric and Hydrospheric Sciences )
| A-HW Hydrology & Water Environment

[A-HW24] Isotope Hydrology 2024

11:00 AM - 11:15 AM

[AHW24-02] Empirical study on shallow groundwater system in the coastal lowlands of Shinagawa Ward, Tokyo

*Yuki Itoh¹, Masaya Yasuhara², Seongwon Lee², Takashi Nakamura³, Kazuyoshi Asai⁴ (1.Graduate School of Geo-Environmental Science, Rissho Univ. , 2.Faculty of Geo-Environmental Science, Rissho Univ. , 3.International Research Center for River Basin Environment, University of YAMANASHI, 4.Geo Science Laboratory)

Fri. May 31, 2024 5:15 PM - 6:45 PM Poster Hall (Exhibition Hall 6, Makuhari Messe)

[J] Poster
| A (Atmospheric and Hydrospheric Sciences )
| A-HW Hydrology & Water Environment

[A-HW24] Isotope Hydrology 2024

5:15 PM - 6:45 PM

[AHW24-P01] Mixing of highly saline deep-seated water in streams and groundwater in Yashio, Gunma and Wataruse, Saitama, Japan

Taketoshi Hasegawa¹, *Masaya Yasuhara², Seongwon Lee², Hitoshi Tsukamoto³, Noritoshi Morikawa³ (1.SANBEC Corporation, 2.Rissho Univ., 3.Geological Survey of Japan, AIST)

5:15 PM - 6:45 PM

[AHW24-P02] A preliminary study on the geochemical characteristics and origin of shallow groundwater in Meguro-dai, southeastern Musashino Upland, downtown Tokyo

*Yuki Itoh¹, Masaya Yasuhara², Seongwon Lee², Takashi Nakamura³ (1.Graduate School of Geo-Environmental Science, Rissho Univ., 2.Faculty of Geo-Environmental Science, Rissho Univ. , 3.International Research Center for River Basin Environment, University of YAMANASHI)

5:15 PM - 6:45 PM

[AHW24-P05] Groundwater flow characteristics of Akaike Pond and its surrounding area: Insights from water quality, stable isotope ratios, and hydrogeological structure

*Shinya Yamamoto¹, Takashi Nakamura², Seongwon Lee³, Masaya Yasuhara³, Yosuke Miyairi⁴, Yusuke Yokoyama⁴ (1.Mount Fuji Research Institute, Yamanashi Prefectural Government, 2.International Research Center for River Basin Environment, University of Yamanashi, 3.Rissho University, 4.AORI, University of Tokyo)

Mon. May 27, 2024 5:15 PM - 6:45 PM Poster Hall (Exhibition Hall 6, Makuhari Messe)

[J] Poster
| A (Atmospheric and Hydrospheric Sciences )
| A-HW Hydrology & Water Environment

[A-HW25] Water Environment and Geology in Urban Areas

5:15 PM - 6:45 PM

[AHW25-P02] The long-term changes of shallow groundwater quality and its process in the Musashino Plateau, Tokyo
- based on the data in the Suginami Water Treatment Plant -

*Masaya Yasuhara¹, Akihiko Inamura², Yuki Itoh³, Seongwon Lee⁴, Takashi Nakamura⁵ (1.Rissho Univ. & Geological Survey of Japan, AIST, 2.Geological Survey of Japan, AIST, 3.Graduate School, Rissho Univ., 4.Rissho Univ., 5.Yamanashi Univ.)

5:15 PM - 6:45 PM

[AHW25-P03] Properties of SO₄^2- and δ³⁴S in spring waters in the western margin of the Kanto Plain

*Takeshi Hayashi¹, Masaya Yasuhara², Takashi Nakamura³, Keisuke Kuroda⁴, Haruhiko Nakata⁵ (1.Akita University, Faculty of Education and Human Studies, 2.Rissho University, Department of Environment Systems, 3.Yamanashi University, Department of Civil & Environmental Engineering, 4.Toyama prefectural Universit, Department of Environmental and Civil Engineering, 5.Kumamoto University, Faculty of Advanced Science and technology)

5:15 PM - 6:45 PM

[AHW25-P04] Microplastics found in shallow groundwater in the coastal lowlands of Shinagawa Ward, downtown Tokyo

*Yuki Itoh¹, Masaya Yasuhara², Seongwon Lee² (1.Graduate School of Geo-Environmental Science, Rissho Univ. , 2.Faculty of Geo-Environmental Science, Rissho Univ. )

Mon. May 27, 2024 1:45 PM - 3:00 PM 301A (International Conference Hall, Makuhari Messe)

[J] Oral
| H (Human Geosciences )
| H-CG Complex & General

[H-CG25] Cultural Hydrology

2:00 PM - 2:15 PM

[HCG25-02] Geographical distribution of carbonated springs in Japan and the history of their commercialization

*Masaya Yasuhara¹ (1.Rissho Univ.)

Masaya Yasuhara

Convener, Chairperson

[A-HW24] Isotope Hydrology 2024

[A-HW24] Isotope Hydrology 2024

[H-CG25] Cultural Hydrology

[H-CG25] Cultural Hydrology

Speaker, Author, Co-Author

[A-HW24] Isotope Hydrology 2024

[AHW24-02] Empirical study on shallow groundwater system in the coastal lowlands of Shinagawa Ward, Tokyo

[A-HW24] Isotope Hydrology 2024

[AHW24-P01] Mixing of highly saline deep-seated water in streams and groundwater in Yashio, Gunma and Wataruse, Saitama, Japan

[AHW24-P02] A preliminary study on the geochemical characteristics and origin of shallow groundwater in Meguro-dai, southeastern Musashino Upland, downtown Tokyo

[AHW24-P05] Groundwater flow characteristics of Akaike Pond and its surrounding area: Insights from water quality, stable isotope ratios, and hydrogeological structure

[A-HW25] Water Environment and Geology in Urban Areas

[AHW25-P02] The long-term changes of shallow groundwater quality and its process in the Musashino Plateau, Tokyo
- based on the data in the Suginami Water Treatment Plant -

[AHW25-P03] Properties of SO₄^2- and δ³⁴S in spring waters in the western margin of the Kanto Plain

[AHW25-P04] Microplastics found in shallow groundwater in the coastal lowlands of Shinagawa Ward, downtown Tokyo

[H-CG25] Cultural Hydrology

[HCG25-02] Geographical distribution of carbonated springs in Japan and the history of their commercialization