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http://dx.doi.org/10.3741/JKWRA.2008.41.5.463

Analysis of Groundwater Use in Kap-cheon Basin  

Hong, Sung-Hun (Nak-Dong River Flood Control Office, Ministry of Construction & Transportation)
Kim, Jeong-Kon (Korea Institute of Water and Environment, Korea Water Resources Corporation)
Publication Information
Journal of Korea Water Resources Association / v.41, no.5, 2008 , pp. 463-471 More about this Journal
Abstract
The purpose of this study is to analyze the features of groundwater use to utilize as basic information for water-cycle analysis system development and effective groundwater management in the Kap-cheon basin. The cumulative relationship between groundwater use and the number of wells was analyzed to estimate the representative total groundwater use and the number of wells for the Kap-cheon basin. Then, the spatial distribution of groundwater use in the basin were figured out using the detailed information on groundwater use in each well. Finally, the reasonability of groundwater resources management in Kap-cheon basin was evaluated by comparing groundwater recharge and groundwater use in sub-basins and major stream basins. The results of the analysis showed about 25% of the total wells could represent 90% of groundwater use ($37,923,516\;m^3$/year) in the Kap-cheon basin. A detailed analysis on the groundwater uses in the vicinity of down-town areas of Daejeon metropolitan city showed high groundwater uses ($1.4{\sim}11.1$ times) compared to the groundwater recharge previously estimated using the rainfall-runoff model. The ratio of groundwater use and groundwater recharge for the major river basins in Kap-cheon basin ranged from 1.9 to 2.3 indicating that more sustainable groundwater management should be exercised. The results of this study can be used as basic information in evaluating the change of groundwater flow, stream flow and water-cycle for various groundwater uses in the Kap-cheon basin.
Keywords
Kap-cheon Basin; Groundwater Use Characteristics; Groundwater Resources Management;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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