GIS-Aided Zoning of Natural Groundwater Recharge Potential in Yasu River Basin, Japan
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概要
- 論文の詳細を見る
A method of identifying regions with relatively high and low natural groundwater recharge potential in a recharge area is developed using GIS technique. Annual precipitation, annual surface runoff and annual evapotranspiration are regarded as influencing factors to groundwater recharge by considering water balance in each spatial unit. Estimation of distributed values of these factors, which are converted to scores ranging within 0 through 1, is performed with easily available data. This method is successfully applied to Yasu river basin, Shiga Prefecture, Japan, revealing two facts : (1) paddy fields play an important role to recharge groundwater ; and (2) change of land use during the period of 1965 to 1995 has increased the area with low recharge by almost 40%.
- 日本雨水資源化システム学会の論文
著者
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Kawachi Toshihiko
Graduate School of Agricultural Science, Kyoto University
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Maeda Shigeya
Graduate School of Agricultural Science, Kyoto University
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河地 利彦
Graduate School Of Agricultural Science Kyoto University
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MARUYAMA Takeo
Department of Information Processing, Tokyo Institute of Technology
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Maeda S
Kyoto Univ. Kyoto
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Maeda Shigeya
Graduate School Of Agricultural Science Kyoto University
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Maruyama Takeo
Department Of Human Sciences Mukogawa Women's University
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Kumar Alok
Graduate School of Agricultural Science, Kyoto University
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Matsumura Shinzou
Infrastructure Improvement Section, Rural Improvement Division, Kusatsu Prefectural Branch Office
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Kawachi Toshihiko
Graduate School Of Agricultural Science Kyoto University
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Kumar A
Kyoto Univ. Kyoto Jpn
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Matsumura Shinzou
Infrastructure Improvement Section Rural Improvement Division Kusatsu Prefectural Branch Office
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Maruyama Takeo
Department Of Electrical And Electronic Engineering Faculty Of Engineering Niigata University
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Kawachi Toshihiko
Graduate School Of Agricultural Kyoto University
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