Takashi Nakamura

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Convener, Chairperson

Wed. May 25, 2022 10:45 AM - 12:15 PM 105 (International Conference Hall, Makuhari Messe)

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

[A-HW26] Isotope Hydrology 2022

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

Speaker, Author, Co-Author

Thu. Jun 2, 2022 11:00 AM - 1:00 PM Online Poster Zoom Room (9) (Ch.09)

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

[A-HW26] Isotope Hydrology 2022

11:00 AM - 1:00 PM

[AHW26-P01] Changes of concentration and sources of nitrate in shallow groundwater in the highly-urbanized Shinagawa area, central Tokyo, Japan.

*Yuki Itoh¹, Masaya Yasuhara², Seongwon Lee³, Takashi Nakamura⁴, Kazuyoshi Asai⁵, Akihiko Inamura⁶ (1.Rissho University graduate School of Geo-environmental Science, 2. Rissho Univ., 3.Department of Environmental Systems, Faculty of Geo-Environmental Science, RISSHO University, 4.International Research Center for River Basin Environment, University of YAMANASHI, 5.Geo Science Laboratory, 6.Geological Survey of Japan, AIST)

11:00 AM - 1:00 PM

[AHW26-P02] 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)

11:00 AM - 1:00 PM

[AHW26-P03] A geochemical study on the shallow groundwater system in the Arakawa alluvial fan, Saitama, Japan

Fuyuki Ishizawa¹, *Masaya Yasuhara², Seongwon Lee², Yuki Itoh³, Takashi Nakamura⁴ (1.Fuji Yakuhin Co., Ltd., 2.Rissho Univ., 3.Graduate School, Rissho Univ., 4.Yamanashi Univ.)

11:00 AM - 1:00 PM

[AHW26-P04] Water quality and stable isotope characteristics of Akaike, a temporary pond at the northern foot of Mount Fuji, in August 2021

*Shinya Yamamoto¹, Takashi Nakamura², Seongwon Lee³, 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)

11:00 AM - 1:00 PM

[AHW26-P05] Downstream changes of dissolved ion concentrations and loads in the Kasumi River, Saitama, Japan, with an alternating losing and gaining reaches

*Masaya Yasuhara¹, Seongwon Lee¹, Yuki Itoh², Mina Inoue³, Takashi Nakamura⁴ (1.Rissho Univ., 2.Graduate School, Rissho Univ., 3.Axis, Co., Ltd., 4.Yamanashi Univ.)

Thu. Jun 2, 2022 11:00 AM - 1:00 PM Online Poster Zoom Room (10) (Ch.10)

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

[A-HW27] Water Environment and Geology in Urban Areas

11:00 AM - 1:00 PM

[AHW27-P03] Analysis of Ammonium Distribution in a groundwater by privately reserved data

Fuka Kikawada¹, Huzairi- Rus¹, Tchisato Nagai², Michiru Ochiai², Sayo Morimoto², Takeo Sando², Kei Nishida¹, *Takashi Nakamura¹ (1.University of YAMANASHI, 2.Mitsubishi Chemical Aqua Solutions Co.,LTD)

11:00 AM - 1:00 PM

[AHW27-P04] A study on the impact of social change caused by a breakout of infectious diseases on the water cycle and solute transport in urban areas

*Takeshi Hayashi¹, Masaya Yasuhara², Takashi Nakamura³ (1.Faculty of Education and Human Studies, Akita University, 2.Department of Environment Systems, Rissho University, 3.ICRE, University of Yamanashi)