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)

Wed. May 29, 2024 1:45 PM - 3:15 PM 301A (International Conference Hall, Makuhari Messe)

[J] Oral
| A (Atmospheric and Hydrospheric Sciences )
| A-CG Complex & General

[A-CG38] Coastal Ecosystems 2. Coral reefs, seagrass and macroalgal beds, and mangroves

convener:Yu Umezawa(Tokyo University of Agriculture and Technology), Tomihiko Higuchi(Atmosphere and Ocean Research Institute, The University of Tokyo), Takashi Nakamura(School of Environment and Society, Tokyo Institute of Technology), Kenta Watanabe(Port and Airport Research Institute), Chairperson:Yu Umezawa(Tokyo University of Agriculture and Technology), Tomihiko Higuchi(Atmosphere and Ocean Research Institute, The University of Tokyo), Takashi Nakamura(School of Environment and Society, Tokyo Institute of Technology), Kenta Watanabe(Port and Airport Research Institute)

Wed. May 29, 2024 3:30 PM - 4:45 PM 301A (International Conference Hall, Makuhari Messe)

[J] Oral
| A (Atmospheric and Hydrospheric Sciences )
| A-CG Complex & General

[A-CG38] Coastal Ecosystems 2. Coral reefs, seagrass and macroalgal beds, and mangroves

convener:Yu Umezawa(Tokyo University of Agriculture and Technology), Tomihiko Higuchi(Atmosphere and Ocean Research Institute, The University of Tokyo), Takashi Nakamura(School of Environment and Society, Tokyo Institute of Technology), Kenta Watanabe(Port and Airport Research Institute), Chairperson:Yu Umezawa(Tokyo University of Agriculture and Technology), Tomihiko Higuchi(Atmosphere and Ocean Research Institute, The University of Tokyo), Kenta Watanabe(Port and Airport Research Institute), Takashi Nakamura(School of Environment and Society, Tokyo Institute of Technology)

Wed. May 29, 2024 5:15 PM - 6:45 PM Poster Hall (Exhibition Hall 6, Makuhari Messe)

[J] Poster
| A (Atmospheric and Hydrospheric Sciences )
| A-CG Complex & General

[A-CG38] Coastal Ecosystems 2. Coral reefs, seagrass and macroalgal beds, and mangroves

convener:Yu Umezawa(Tokyo University of Agriculture and Technology), Tomihiko Higuchi(Atmosphere and Ocean Research Institute, The University of Tokyo), Takashi Nakamura(School of Environment and Society, Tokyo Institute of Technology), Kenta Watanabe(Port and Airport Research Institute)

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.)

Wed. May 29, 2024 5:15 PM - 6:45 PM Poster Hall (Exhibition Hall 6, Makuhari Messe)

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

[A-HW18] Hydrology & Water Environment

5:15 PM - 6:45 PM

[AHW18-P03] Role of the alpine soil for the stream water quality formation in alpine regions

*Miku Ishibashi¹, Koichi Sakakibara², Takashi Nakamura³, Hiroshi Ono⁴, Makoto Yukihiro¹, Keisuke Suzuki⁵ (1.Graduate School of Science and Technology, Shinshu University, 2.Faculty of Science, Shinshu University, 3.Interdisciplinary Centre for River Basin Environment, University of Yamanashi, 4.Faculty of Agriculture, Shinshu University, 5.Research Center for Mountain Environment, Shinshu University)

Fri. May 31, 2024 1:45 PM - 3:00 PM 202 (International Conference Hall, Makuhari Messe)

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

[A-HW19] Tracer Hydrology: Advances in Measurement and Modelling

2:15 PM - 2:30 PM

[AHW19-03] Estimation of Groundwater Contribution to the Fuji Five Lakes Using Trace Elements and Water Stable Isotope Tracers from Lake Bottom Springs

★Invited Papers

*Shinya Yamamoto¹, Takashi Nakamura², Ota Kosuke³, Yosuke Miyairi⁴, Yusuke Yokoyama⁴ (1.Mount Fuji Research Institute, Yamanashi Prefectural Government, 2.International Research Center for River Basin Environment, University of Yamanashi, 3.National Institute of Advanced Industrial Science and Technology, 4.AORI, University of Tokyo)

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-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-P03] Factors Affecting Ammonium Contamination in Deep Groundwater of Yokohama City, Japan

*RUS HISHDAN HUZAIRI BIN RUS HILMY¹, Takashi Nakamura¹ (1.University of Yamanashi)

5:15 PM - 6:45 PM

[AHW24-P04] Understanding Groundwater Flow Processes in the West Kofu Basin

*Tatsuki Kimura¹, Takashi Nakamura¹ (1.Interdisciplinary Center for River Basin Environment )

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)

Wed. May 29, 2024 1:45 PM - 3:15 PM 301A (International Conference Hall, Makuhari Messe)

[J] Oral
| A (Atmospheric and Hydrospheric Sciences )
| A-CG Complex & General

[A-CG38] Coastal Ecosystems 2. Coral reefs, seagrass and macroalgal beds, and mangroves

2:25 PM - 2:40 PM

[ACG38-03] Grazing impact on sediment-accumulating and stabilizing capacity of back-reef seagrass meadows

*Toshihiro Miyajima¹, Takashi Nakamura², Atsushi Watanabe³, Naoko Morimoto^1,4, Kazuo Nadaoka² (1.Division of Ocean-Earth System Science, Atmosphere and Ocean Research Institute, The University of Tokyo, 2.Department of Transdisciplinary Science and Engineering, School of Environment and Society, Tokyo Institute of Technology, 3.Ocean Policy Research Institute, Sasakawa Peace Foundation, 4.Tsukuba University)

Wed. May 29, 2024 3:30 PM - 4:45 PM 301A (International Conference Hall, Makuhari Messe)

[J] Oral
| A (Atmospheric and Hydrospheric Sciences )
| A-CG Complex & General

[A-CG38] Coastal Ecosystems 2. Coral reefs, seagrass and macroalgal beds, and mangroves

3:30 PM - 3:45 PM

[ACG38-06] Determining the Inherent Optical Properties of Various Water Quality Parameters in Tangalan, Philippines

*Kristian Rabi Monay¹, Takashi Nakamura¹ (1.School of Environment and Society, Tokyo Institute of Technology)

3:45 PM - 4:00 PM

[ACG38-07] Nutrient budget and cycles of the agricultural system for coral-reef conservation in Ishigaki Island

*fatma kamal Elshinnawy¹, Takashi Nakamura¹ (1.Tokyo Institute of Technology )

4:00 PM - 4:15 PM

[ACG38-08] Modeling the effect of terrestrial nutrients on phytoplankton communities in coral reefs from field-based incubation experiments

*Jorge Luis Suarez Caballero¹, Takashi Nakamura¹ (1.Tokyo Institute of Technology)

4:15 PM - 4:30 PM

[ACG38-09] Modeling of Organic Matter Decomposition Process Considering Redox Properties in Coastal Marine Sediment

*Masataka Muto¹, Takashi Nakamura¹, Toshihiro Miyajima² (1.Tokyo Institute of Technology, 2.Atmosphere and Ocean Research Institute, The University of Tokyo)

4:30 PM - 4:45 PM

[ACG38-10] An integrated land-ocean-benthic and pelagic ecosystem model for assessing terrestrial impacts on the Shiraho fringing reef, Ishigaki Island

*Takashi Nakamura¹, Ren Okumura¹, Jorge Luis Suarez Caballero¹, Masataka Muto¹ (1.School of Environment and Society, Tokyo Institute of Technology)

Wed. May 29, 2024 5:15 PM - 6:45 PM Poster Hall (Exhibition Hall 6, Makuhari Messe)

[J] Poster
| A (Atmospheric and Hydrospheric Sciences )
| A-CG Complex & General

[A-CG38] Coastal Ecosystems 2. Coral reefs, seagrass and macroalgal beds, and mangroves

5:15 PM - 6:45 PM

[ACG38-P06] Discussion on conservation of shallow coastal ecosystems and their functions

*Yu Umezawa¹, Tomihiko Higuchi², Takashi Nakamura³, Kenta Watanabe⁴ (1.Tokyo University of Agriculture and Technology, 2.Atmosphere and Ocean Research Institute, the University of Tokyo, 3.Tokyo Institute of Technology, 4.Port and Airport Research Institute)

Wed. May 29, 2024 10:45 AM - 12:00 PM 301A (International Conference Hall, Makuhari Messe)

[J] Oral
| A (Atmospheric and Hydrospheric Sciences )
| A-CG Complex & General

[A-CG39] Coastal Ecosystems - 1. Water Cycle and Land-Ocean Interactions

11:00 AM - 11:15 AM

[ACG39-07] Estimation of the origin of organic matter that contributes to the coastal ocean acidification and hypoxia in Shizugawa Bay, Miyagi Prefecture,

*Shota Leiler¹, Takashi Sakamaki², Takashi Nakamura³, Toshihiro Miyajima⁴, Haruko Kurihara⁵ (1.Graduate School of Engineering and Science, University of the Ryukyus, 2.Department of Civil & Environmental Engineering, Tohoku University, 3.School of Environment and Society, Tokyo Institute of Technology, 4.Division of Ocean-Earth System Science, Atmosphere and Ocean Research Institute, The University of Tokyo, 5.Chemistry, Biology and Marine Science, Faculty of Science, University of the Ryukyus)

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

2:15 PM - 2:30 PM

[HCG25-03] Preliminary Report on the Survey of Water Use under the Noto Peninsula Earthquake (1): Role of Local Small Water Sources

*Takashi Nakamura¹, Kei Nishida¹, Yuri Ito¹, Katsuya Nomizu², Ryo Yamamoto³ (1.International Research Center for River Basin Environment, University of YAMANASHI, 2.cybouzu, Inc., 3.Hyakusho-nokurashi, Inc.)

2:30 PM - 2:45 PM

[HCG25-04] Preliminary report on the survey of water use under the Noto Peninsula Earthquake (2): People starting for the phase free-water & life

*Kei Nishida¹, Takashi Nakamura¹, Yuri Ito¹, Katsuya Nomizu², Ryo Yamamoto³ (1.Interdisciplinary Centre for River Basin Environment, Interdisciplinary Graduate School, University of Yamanashi, 2.cybozu, Inc., 3.Hyakusho-no-kurashi, Inc.)

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

5:15 PM - 6:45 PM

[HCG25-P03] Toward sustainable use of water resources in mountainous areas Water characteristics and culture survey

*Akiho Kobayashi^1,2, Takashi Nakamura^1,2 (1.National university corporation YAMANASHI University, 2.Interdisciplinary Centre for River basin Environment)

Takashi Nakamura

Convener, Chairperson

Speaker, Author, Co-Author

★Invited Papers