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Drainage Network Analysis System for Estuarine Urban Areas  

Ahn, Byung-Chan (수원대학교 토목공학과)
Ahn, Sang-Dae (수원대학교 토목공학과)
Kim, Won-Il (수원대학교 하천환경기술연구소)
Ahn, Won-Sik (수원대학교 토목공학과, 하천환경기술연구소)
Publication Information
Journal of the Korean Society of Hazard Mitigation / v.8, no.5, 2008 , pp. 129-135 More about this Journal
Abstract
USWMM was developed as a drainage analysis system for estuarine urban areas by adding sluice gates on existing EPA SWMM5 through this study. For the purpose of reviewing, Ansungchon river was modeled with USWMM and calibration and verification were attempted at three observation stations. In comparison, another approach using HEC-HMS and HEC-RAS was applied to the area under the same condition. It turned out that USWMM resulting values were closer to the observed values than those of the HEC-HMS and HEC-RAS approach. USWMM's flow simulation through sluices were more realistic to sluice operation fields by adding incomplete submerged orifice flow equation and maintenance water level. In sum, USWMM can be seen as a general purpose tool for estuarine urban drainage analysis system.
Keywords
Estuary; Sluice; SWMM; USWMM; Unsteady flow;
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