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http://dx.doi.org/10.3741/JKWRA.2004.37.11.929

Application of WMS Model for Runoff Analysis of Miho Stream Basin  

Ahn, Sang-Jin (충북대학교 토목공학과)
Lee, Moo-Kyeong (충북대학교 토목공학과)
Jun, Kye-Won (삼척대학교 방재기술전문대학원)
Yeon, In-Sung (충북대학교 토목공학과)
Publication Information
Journal of Korea Water Resources Association / v.37, no.11, 2004 , pp. 929-938 More about this Journal
Abstract
In this study, Miho stream basin(Seokhwa water level gauging station) In Geum river, Flood control main station of Geum River Flood Control Office, is selected. Hydrologic topographical informations are calculated using WMS which is hydrologic analysis software coupled with GIS Method, and flood analysis is accomplished by HEC-1 included In WMS. To calculate the effective rainfall CN values of SCS are used. Clark, Snyder and SCS methods are selected respectively to derive unit hydrograph. This study shows the applicability of GIS techniques to runoff simulation in ungauged basin by comparing with actual measured flood hydrograph. As a results, Snyder(Tulsa) method and Clark (Herby) method is suitable to Miho stream basin. But Snyder(Tulsa) method is suitable more than Clark(Herby) method. And according to the degree of urbanization, the peak discharge has increased and the peak time has tended to decrease.
Keywords
WMS; GIS; HEC-1; Runoff Analysis; Synthenic Hydrograph;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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