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http://dx.doi.org/10.12652/Ksce.2012.32.3B.169

A Research on Application of Flood Simulation at Ungaged Basin for Water Management in the Ara River  

Lee, Sang Jin (K-water 연구원)
Noh, Joon Woo (K-water 연구원)
Kim, Joo Cheol (K-water 연구원)
Publication Information
KSCE Journal of Civil and Environmental Engineering Research / v.32, no.3B, 2012 , pp. 169-174 More about this Journal
Abstract
For efficient water management in the Ara River during the flood season, applicability of flood simulation model in the ungaged Gulpo watershed has been tested. In the Gulpo River watershed, fundamental hydrologic data such as water level and flowrates are very limited and selection of the reliable hydrologic parameters are very important for model application. This study tested reliability of parameters estimated using the empirical equation based on the HEC-HMS runoff simulation. Also coupled with HEC-RAS hydraulic routing model, simulated flowrates from HEC-HMS has been compared with the observed water levels collected at the upstream and downstream of the Gyulhyun Weir station during the flood event in 2010. Based on this information, stage-discharge curve has been developed and its reliability has been tested for flood event in 2011.
Keywords
ungaged basin; gulpo river; ara river; flood simulation; stage-discharge curve;
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