2004 Fiscal Year Final Research Report Summary
Construction of Groundwater Cultivation Model for Comprehensive Management of Groundwater in Coastal City Area
| Project/Area Number |
14350261
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Geotechnical engineering
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| Research Institution | Osaka Sangyo University |
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Principal Investigator |
MURAOKA Kohji Osaka Sangyo University, Faculty of Human Environment, Department of Urban Environment, Professor, 人間環境学部, 教授 (90029017)
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| Co-Investigator(Kenkyū-buntansha) |
ABE Nobuharu Osaka University, Graduate School of Engineering, Global Architecture Division, Department of Civil Engineering, Assoc.Professor, 大学院・工学研究科, 助教授 (10093361)
KAMIYA Kohji Gifu University, Collaborative Center for Academy/Industry/Government, Assoc.Professor, 工学部, 助教授 (50252119)
TANAKA Tsutomu Kobe University, Faculty of Agriculture, Department of Agricultural and Environmental Engineering, Professor, 農学部, 教授 (20144602)
MITAMURA Muneki Osaka City University, Graduate School of Science, Department of Bio- and Geosciences, Assoc.Professor, 大学院・理学研究科, 助教授 (00183632)
NAKAYA Shinji Shin-shu University, Faculty of Engineering, Architectural and Civil Engineering, Assoc.Professor, 工学部, 助教授 (70313830)
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| Project Period (FY) |
2002 – 2004
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| Keywords | Groundwater management / Regional groundwater cultivation simulation / 3D geological structure model / Groundwater cultivation mechanism / Groundwater environment / Water balance / Hydrological cycle / Groundwater information / Ground subsidence / Liquefaction |
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| Research Abstract |
The research results of this research are as follows :
1)The state of a hydrological cycle and utilization of groundwater in low land city Osaka was examined, and it is pointed out that the elucidation of the groundwater cultivation mechanism for the whole Osaka basin is indispensable to develop the groundwater management system that enables new utilization of groundwater.
2)In order to develop the groundwater simulation model of the Osaka plain, it is necessary to prepare the 3-dimensional geological structure model of the Quaternary layers. The plans (stripping off topographical maps) showing the distribution depth of typical layers from the information on the Quaternary layers around the Osaka plain were made, and the 3-dimensional geological structure model was built based on it.
3)The data format of groundwater information was unified, and the database on the Osaka plain was built to link to GIS (Geographic Information System).
4)From the analysis based on the statistical simple model, the influence relations between rain/tide-level/pumping and groundwater level were clarified in the Osaka city region, and from the analysis of dissolved components of the groundwater in the shallow aquifers, the cultivation flow paths in the Osaka basin were clarified. They are used as the basic data for the comprehensive management of groundwater.
5)In order to establish sustainable groundwater utilization system, holding the wholesome hydrological cycle, a comprehensive management of groundwater is an indispensable system. The groundwater cultivation model for the regional groundwater management in the Osaka plain (broader-based groundwater flow analysis system) was developed, and the applicability to the comprehensive groundwater management of the proposed model is clarified using the accumulated information.
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[Journal Article] Field investigation of groundwater contamination on nitric acid in Matsumoto Basin, Nagano, Japan2003
Author(s)
Nakaya, S., A.Ikeuchi, I.Ohmiya, H.Komiya, H.Masuda, M.Kusakabe
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Journal Title
Proceedings of the International Symposium on Groundwater Problems related to Geo-Environment, Okayama, Japan
Pages: 387-391
Description
「研究成果報告書概要(欧文)」より
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