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http://dx.doi.org/10.12652/Ksce.2014.34.6.1797

A Method of Estimating Conservative Potential Amount of Groundwater  

Chung, Il-Moon (Korea Institute of Civil and Building Technology)
Kim, Nam Won (Korea Institute of Civil and Building Technology)
Lee, Jeongwoo (Korea Institute of Civil and Building Technology)
Lee, Jeong Eun (Korea Institute of Civil and Building Technology)
Publication Information
KSCE Journal of Civil and Environmental Engineering Research / v.34, no.6, 2014 , pp. 1797-1806 More about this Journal
Abstract
By far, groundwater management has been conducted by 'safe yield' policy based on the estimation of annual average of groundwater recharge throughout the world. However, as groundwater recharge show spatiotemporal variation, dynamic analysis must be carried out to evaluate the sustainable groundwater resources. In this study, an integrated surface-groundwater model, SWAT-MODFLOW was used to compute the spatial distribution of groundwater recharge in Gyungju region. 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. The conservative methods for estimating recharge rates of 10 year drought frequency in subbains are newly suggested and compared with the existing values of potential amount of groundwater development. This process will promote the limitations for existing precesses used for computing potential amount of groundwater development.
Keywords
Groundwater recharge; Potential amount of groundwater; Frequency analysis; Conservative methods;
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