[A-HW31] Water Environment and Geology in Urban Areas

Tue. May 27, 2025 5:15 PM - 7:15 PM Poster Hall (Exhibition Hall 7&8, Makuhari Messe)

convener:Takeshi Hayashi(Faculty of Education and Human Studies, Akita University), Akinobu Miyakoshi(Geological Survey of Japan, AIST)

The scope of this session is to create an interdisciplinary forum on the most recent advances in water environment and environmental geology research in urban areas. Various kinds of studies concerning environmental issues on water and geology in urban areas (e.g. water balance, water cycle, water resource development and management, inundations, hydrogeology, pollution and remediation, basic law on the water cycle, sedimental environments, geohazard, soft ground) from academia, industry, and government are welcome.

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5:15 PM - 7:15 PM

[AHW31-P01] Evaluation of subsurface warming in the Tokyo metropolitan area, Japan: governing factors and characteristics of temperature change in low permeable layers

*Akinobu Miyakoshi¹, Takeshi Hayashi², Hideki Hamamoto³, Shoichi Hachinohe³ (1.Geological Survey of Japan, AIST, 2.Faculty of Education and Human Studies, Akita University, 3.Center for Environmental Science in Saitama)

5:15 PM - 7:15 PM

[AHW31-P02] Issues and challenges of a multi-tracer method for quantifying sewage leakage in urban areas

*Takeshi Hayashi¹, Takashi Nakamura² (1.Faculty of Education and Human Studies, Akita University, 2.International Research Center for River Basin Environment, University of Yamanashi)

5:15 PM - 7:15 PM

[AHW31-P03] Implications of pollen found in shallow groundwater in downtown Shinagawa, central Tokyo, Japan

*Masaya Yasuhara¹, Chuh Yonebayashi¹, Yuki Itoh², Seongwon Lee¹ (1.Rissho Univ., 2.Graduate School, Rissho Univ.)

5:15 PM - 7:15 PM

[AHW31-P04] Investigation of the origin of microplastics detected in shallow groundwater in downtown Shinagawa, Tokyo, Japan

★Invited Papers

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

5:15 PM - 7:15 PM

[AHW31-P05] Quick response of urban shallow groundwater level to a rainfall: Focusing on urban groundwater recharge process

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

5:15 PM - 7:15 PM

[AHW31-P06] Exploring comprehensive watershed planning and management utilizing the natural topography in depopulated areas

*Ryuto Ugajin¹, Yoshiyuki Yokoo¹ (1.Fukushima University)

5:15 PM - 7:15 PM

[AHW31-P07] Case study of salinity anomalies investigation with multi geophysical exploration methods at Kujukuri coastal area

*MASATOSHI YAGI¹, YUTO SASAYA¹, OSAMU IOBE¹, KEN YOKOTA¹, RYOHEI MANYA², KATSUYA NODA² (1.JGI, Inc., 2.GEOSYS, Inc,)

5:15 PM - 7:15 PM

[AHW31-P08] Study on the groundwater flow system of Namie, Fukushima – 2. Water quality characteristics of unconfined groundwater and geological structure at coastal and inland area.

*Shiho Yabusaki¹, Seiki Kawagoe², Naoaki Shibasaki² (1. Research Institute for Humanity and Nature・Faculty of Symbiotic Systems Science, Fukushima University, 2.Faculty of Symbiotic Systems Science, Fukushima University)

Session information

[A-HW31] Water Environment and Geology in Urban Areas

[AHW31-P01] Evaluation of subsurface warming in the Tokyo metropolitan area, Japan: governing factors and characteristics of temperature change in low permeable layers

[AHW31-P02] Issues and challenges of a multi-tracer method for quantifying sewage leakage in urban areas

[AHW31-P03] Implications of pollen found in shallow groundwater in downtown Shinagawa, central Tokyo, Japan

[AHW31-P04] Investigation of the origin of microplastics detected in shallow groundwater in downtown Shinagawa, Tokyo, Japan

★Invited Papers

[AHW31-P05] Quick response of urban shallow groundwater level to a rainfall: Focusing on urban groundwater recharge process

[AHW31-P06] Exploring comprehensive watershed planning and management utilizing the natural topography in depopulated areas

[AHW31-P07] Case study of salinity anomalies investigation with multi geophysical exploration methods at Kujukuri coastal area

[AHW31-P08] Study on the groundwater flow system of Namie, Fukushima – 2. Water quality characteristics of unconfined groundwater and geological structure at coastal and inland area.

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