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Evaluation of Potential Amount of Groundwater Development in Chungju Basin by Using Watershed Hydrologic Model and Frequency Analysis  

Lee, Jeong-Eun (Korea Institute of Construction Technology)
Kim, Nam-Won (Korea Institute of Construction Technology)
Chung, Il-Moon (Korea Institute of Construction Technology)
Lee, Jeong-Woo (Korea Institute of Construction Technology)
Publication Information
Economic and Environmental Geology / v.41, no.4, 2008 , pp. 443-451 More about this Journal
Abstract
Memon(1995) pointed out that the groundwater recharge from the precipitation is affected by various factors such as the occurrence, intensity, duration, and seasonal distribution of rainfall; air temperature, humidity, and wind velocity; the character and thickness of the soil layer above the water table; vegetated cover, soil moisture content, depth to the water table, topography; and land use. To reflect above factors, groundwater recharge in Chungju basin is computed by using the SWAT-K which is a longterm continuous watershed hydrologic model. Frequency analysis is adopted to evaluate the existing values of potential amount of groundwater development which is made by the 10 year drought frequency rainfall multiplied by recharge coefficient. In this work, the recharge rates of 10 year drought frequency in subbains were computed and compared with the existing values of potential amount of groundwater development. This process could point out the problems of existing precesses used for computing potential amount of groundwater development.
Keywords
groundwater recharge; potential amount of groundwater development; SWAT-K; frequency analysis;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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