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http://dx.doi.org/10.9720/kseg.2018.4.541

The Estimation of Sand Dam Storage using a Watershed Hydrologic Model and Reservoir Routing Method  

Chung, Il-Moon (Dept. of Land, Water and Environment Research, Korea Institute of Civil Engineering and Building Technology (KICT))
Lee, Jeongwoo (Dept. of Land, Water and Environment Research, Korea Institute of Civil Engineering and Building Technology (KICT))
Lee, Jeong Eun (Dept. of Land, Water and Environment Research, Korea Institute of Civil Engineering and Building Technology (KICT))
Choi, Jung-Ryel (Research and Development Team, SDM_ENC Co., Ltd.)
Publication Information
The Journal of Engineering Geology / v.28, no.4, 2018 , pp. 541-552 More about this Journal
Abstract
The implementation of drought measures in the upstream areas of river basins is seldom considered with respect to water supply. However, the demand for such measures is increasing rapidly owing to the occurrence of severe droughts, and interventions on streams and the water supply are needed. Physical interventions are an option to prevent streams from becoming dry and to maintain stream water flow, but dam construction is challenging because of environmental and ecological considerations. Here, a feasibility study was conducted to assess the potential effects of sand dams, which are widely used in arid regions in Africa. The SWAT-K model, which is a hydrologic model used for Korean watersheds, is used to estimate the flow rate of water in an ungauged watershed. The changes in water storage of the sand-dammed reservoir and in downstream flow rates are estimated for two types of sand dam (natural and dredged). The results show that sand dams are capable of increasing the downstream flow rate during normal conditions and of mitigating water supply problems caused by the withdrawal of water during drought periods.
Keywords
sand dam; water storage; SWAT-K; reservoir routing;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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