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http://dx.doi.org/10.3741/JKWRA.2017.50.11.795

Assessment of water resources by the construction of subsurface dam  

Kim, Sang Jun (Department of Civil & Environmental Engineering, Gachon University)
Publication Information
Journal of Korea Water Resources Association / v.50, no.11, 2017 , pp. 795-802 More about this Journal
Abstract
This study shows the assessment methodology for the water resources of subsurface dams. The study area is SSangcheon subsurface dam. It is at the estuary of SSangcheon watershed forming the unconfined alluvial aquifer. there are several candidate area which are geologically similar to it at East coast. The groundwater level was computed by a 2-D FDM model, where the watershed discharge is the input as the infiltration term. The baseflow computed as the mean value of 3 watershed dischrge model is $0.5m^3/sec$. And considering the inflow near the baseflow as the dry season inflow, The groundwater level according to the change of inflow and pumping rate was computed. Specifically, Using the real pumping rate $28000m^3/day$ which is equal to the supply amount of drinking water to Sokcho city, The inflow which induce the descended groundwater level to the bottom of aquifer or the ascended groundwater level that cause the surface flow was eatimated. The simulation for increased pumping rate and additional well construction to increase the water resources, was executed. And at the extreme dry season, available pumping rate was estimated.
Keywords
Subsurface dam; Watershed discharge; Aquifer storage; Water resources;
Citations & Related Records
Times Cited By KSCI : 5  (Citation Analysis)
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