[A-HW30] Hydrology & Water Environment

convener:Ayumi Kotani(Graduate School of Bioagricultural Sciences, Nagoya University), Takeshi Hayashi(Faculty of Education and Human Studies, Akita University), Keisuke Fukushi(Institute of Nature & Environmental Technology, Kanazawa University), Masahiro Tanoue(School of Engineering, The University of Tokyo)

We focus on various issues of water cycle and environment and aim to answer questions of hydrological and earth system sciences; 1) surface, subsurface and evapotranspiration processes of water cycle, 2) natural and anthropogenic hydrothermal systems, 3) environments issues and studies on a watershed or global scale, 4) water-related issues with ecological, environmental, and geochemical aspects, and 5) other issues in hydrological sciences. We welcomes presentations regarding various kinds of approaches and techniques such as field survey, remote sensing, isotope tracers, numerical simulation, and theoretical analysis. This session is jointly hosed by societies of water-related geoscience (Geochemical Society of Japan, Japanese Association of Groundwater Hydrology, Japanese Association of Hydrological Sciences, and Japan Society of Hydrology and Water Resources), and accepts wide-range research topics related to water cycle and environment described above.

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Introduction (9:00 AM - 9:15 AM)

[AHW30-01] Comparing tritium concentrations and water transit times in the Chikuma and Fujikawa River basins, Japan

*Maksym Gusyev¹, Naofumi Akata², Tsutomu Yamanaka³, Kimio Hirabayashi⁴, Masashi Toyota⁴, Uwe Morgenstern⁵, Michael Stewart⁵ (1.International Centre for Water Hazard Risk Management, Public Works Research Institute, 2.Hirosaki University, Japan, 3.University of Tsukuba, Japan, 4.Shinshu University, Japan, 5.GNS Science, New Zealand)

[AHW30-02] Variation of carbon isotope (δ¹³C and Δ¹⁴C) of organic matter in suspended solids at Lake Kiba-gata

*Seiya Nagao¹, Kohei Sakaguchi², Tetsuya Matsunaka¹, Shinya Ochiai¹, Naoya Katsumi³ (1.Institute of Nature and Environmental Technology, Kanazawa University, 2.Graduate School of Natural Science and Technology, Kanazawa University, 3.Department of Environmental Science, Ishikawa Prefectural University)

[AHW30-03] Integrating Method of Waste Water Treatment and Desalination: Opportunities for Innovation

*Mst. Shamsun Nahar¹ (1.Safety- Hygiene Department, Earth Consultant Co. Ltd, Toyama, Japan)

[AHW30-04] Water Scarcity Assessment in Thailand River Basin Using Geo-Informatics Technology

*pudtraporn napang¹ (1.Kasetsart University)

[AHW30-05] Migration and aggregation of foamed plastic debris in the urban river of Mongolia

*Batdulam Battulga¹, Masayuki Kawahigashi¹, Bolormaa Oyuntsetseg² (1.Department of Geography, Tokyo Metropolitan University, Tokyo, 192-0397, Japan , 2.Department of Chemistry, National University of Mongolia, Ulaanbaatar, 210646, Mongolia )