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

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

[A-HW23] Isotope Hydrology 2023

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)

Thu. May 25, 2023 9:00 AM - 10:30 AM 106 (International Conference Hall, Makuhari Messe)

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

[A-HW23] Isotope Hydrology 2023

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.), Kazuyoshi Asai(Geo Science Laboratory), Takashi Nakamura(International Research Center for River Basin Environment, University of YAMANASHI)

Thu. May 25, 2023 10:45 AM - 12:15 PM Online Poster Zoom Room (7) (Online Poster)

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

[A-HW23] Isotope Hydrology 2023

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)

Wed. May 24, 2023 3:30 PM - 4:45 PM 201B (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), Masaya Yasuhara(Rissho Univ.), Soyo TAKAHASHI(University of the Ryukyus), Chairperson:Yasuhisa Kondo(Research Institute for Humanity and Nature), Takashi Nakamura(International Research Center for River Basin Environment, University of YAMANASHI), Soyo TAKAHASHI(University of the Ryukyus), Masaya Yasuhara(Rissho Univ.)

Thu. May 25, 2023 1:45 PM - 3:15 PM Online Poster Zoom Room (6) (Online Poster)

[J] Online 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), Masaya Yasuhara(Rissho Univ.), Soyo TAKAHASHI(University of the Ryukyus)

Thu. May 25, 2023 9:00 AM - 10:30 AM 106 (International Conference Hall, Makuhari Messe)

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

[A-HW23] Isotope Hydrology 2023

10:10 AM - 10:25 AM

[AHW23-09] Nitrate ion concentration and nitrogen isotope ratio of shallow groundwater in Kitakarasuyama, Setagaya, Tokyo

Hiroki Fukui¹, Yuki Itoh³, Seongwon Lee¹, *Masaya Yasuhara¹, Takashi Nakamura² (1.Rissho Univ., 2.Yamanashi Univ., 3.Graduate School of Rissho Univ.)

Thu. May 25, 2023 10:45 AM - 12:15 PM Online Poster Zoom Room (7) (Online Poster)

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

[A-HW23] Isotope Hydrology 2023

10:45 AM - 12:15 PM

[AHW23-P03] Potential Sources of High Level of Ammonium Contamination in Deep Groundwater of Kathmandu Valley, Nepal

*SITI IFFAH HANISAH BINTI MOHD ALI¹, Bijay Man Shakya², Anoj Khanal³, Sanjeev Bickram Rana³, Kei Nishida¹, Takashi Nakamura¹ (1.University of Yamanashi, 2.Smartphones for water - Nepal, 3.Kathmandu Valley Water Supply Management Board)

10:45 AM - 12:15 PM

[AHW23-P05] Water chemistry and nitrogen isotopic ratio of river water in the Makinohara Plateau, Shizuoka, Japan

Tatsuya Shimeno¹, *Masaya Yasuhara¹, Seongwon Lee¹, Yuki Itoh³, Takashi Nakamura² (1.Rissho Univ., 2.Yamanashi Univ., 3.Graduate School, Rissho Univ.)

10:45 AM - 12:15 PM

[AHW23-P06] The formation mechanism of Akaike Pond at the northern foot of Mt. Fuji in 2022 revealed by groundwater level observations and water quality and stable isotope analyses

*Shinya Yamamoto¹, Takashi Nakamura², Seongwon Lee³, Yuki Itoh³, Masaya Yasuhara³ (1.Mount Fuji Research Institute, Yamanashi Prefectural Government, 2.International Research Center for River Basin Environment, University of Yamanashi, 3.Faculty of Geo-Environmental Science, Rissho University)

Thu. May 25, 2023 10:45 AM - 12:15 PM Online Poster Zoom Room (8) (Online Poster)

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

[A-HW24] Water Environment and Geology in Urban Areas

10:45 AM - 12:15 PM

[AHW24-P02] Regionality and diversity of qualitative properties in spring waters in the western part of the Tokyo metropolitan area

*Takeshi Hayashi¹, Masaya Yasuhara², Takashi Nakamura³, Keisuke Kuroda⁴, Haruhiko Nakata⁵ (1.Faculty of Education and Human Studies, Akita University, 2.Department of Environment Systems, Rissho University, 3.ICRE, University of Yamanashi, 4.Faculty of Engineering, Toyama Prefectural University, 5.Graduate School of Science and Technology, Kumamoto University)

Wed. May 24, 2023 3:30 PM - 4:45 PM 201B (International Conference Hall, Makuhari Messe)

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

[H-CG25] Cultural Hydrology

4:30 PM - 4:45 PM

[HCG25-05] Crosstalk: Toward Exploring Cultural Hydrology

*Soyo TAKAHASHI¹, Takashi Nakamura², Yasuhisa Kondo³, Masaya Yasuhara⁴ (1.University of the Ryukyus, 2.University of Yamanashi, 3.Research Institute for Humanity and Nature, 4.Rissho University)

Thu. May 25, 2023 1:45 PM - 3:15 PM Online Poster Zoom Room (6) (Online Poster)

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

[H-CG25] Cultural Hydrology

1:45 PM - 3:15 PM

[HCG25-P07] Traditional small water sources in Kathmandu Valley, Nepal

*Takashi Nakamura¹, Kei Nishida¹ (1.International Research Center for River Basin Environment, University of YAMANASHI)

1:45 PM - 3:15 PM

[HCG25-P08] The relationship between water resources and the location of settlements of Jomon period in the southern Yatsugatake Mountain

Sakiko Yaegashi², Rin Takahashi, *Takashi Nakamura¹ (1.International Research Center for River Basin Environment, University of YAMANASHI, 2.University of YAMANASHI)

Tue. May 23, 2023 3:30 PM - 4:45 PM 105 (International Conference Hall, Makuhari Messe)

[J] Oral
| M (Multidisciplinary and Interdisciplinary)
| M-IS Intersection

[M-IS09] Biogeochemistry

3:45 PM - 4:00 PM

[MIS09-07] Interaction of land use and hydrologic controls on nitrogen export from catchment

*Ken'ichi Osaka¹, Haruto Tanabe², Kohei Yoshiyama¹, Takashi Nakamura³, Takaaki Ishibashi⁴, Yuichi Sato⁵ (1.Department of ecosystem study, University of Shiga Prefecture, 2.Graduate School of Environmental Science, 3. Interdisciplinary Centre for River Basin Environment, 4.Graduate School of Informatics, 5.Lake Biwa Environmental Research Institute)

Takashi Nakamura

Convener, Chairperson

[A-HW23] Isotope Hydrology 2023

[A-HW23] Isotope Hydrology 2023

[A-HW23] Isotope Hydrology 2023

[H-CG25] Cultural Hydrology

[H-CG25] Cultural Hydrology

Speaker, Author, Co-Author

[A-HW23] Isotope Hydrology 2023

[AHW23-09] Nitrate ion concentration and nitrogen isotope ratio of shallow groundwater in Kitakarasuyama, Setagaya, Tokyo

[A-HW23] Isotope Hydrology 2023

[AHW23-P03] Potential Sources of High Level of Ammonium Contamination in Deep Groundwater of Kathmandu Valley, Nepal

[AHW23-P05] Water chemistry and nitrogen isotopic ratio of river water in the Makinohara Plateau, Shizuoka, Japan

[AHW23-P06] The formation mechanism of Akaike Pond at the northern foot of Mt. Fuji in 2022 revealed by groundwater level observations and water quality and stable isotope analyses

[A-HW24] Water Environment and Geology in Urban Areas

[AHW24-P02] Regionality and diversity of qualitative properties in spring waters in the western part of the Tokyo metropolitan area

[H-CG25] Cultural Hydrology

[HCG25-05] Crosstalk: Toward Exploring Cultural Hydrology

[H-CG25] Cultural Hydrology

[HCG25-P07] Traditional small water sources in Kathmandu Valley, Nepal

[HCG25-P08] The relationship between water resources and the location of settlements of Jomon period in the southern Yatsugatake Mountain

[M-IS09] Biogeochemistry

[MIS09-07] Interaction of land use and hydrologic controls on nitrogen export from catchment