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http://dx.doi.org/10.3741/JKWRA.2009.42.3.191

Estimation of Daily Sewage and Direct Runoff for the Combined Sewer System of Gunja Experimental Drainage  

Kim, Chung-Soo (Water Resources Research Division)
Han, Myoung-Sun (Water Resources Research Division)
Kim, Hyoung-Seop (Water Resources Research Division)
Publication Information
Journal of Korea Water Resources Association / v.42, no.3, 2009 , pp. 191-200 More about this Journal
Abstract
A localized torrential rainfall and flash floods which are more frequently occurred by extraordinary atmospheric phenomena and rising sea surface temperature require more hydrological data collecting and analysis for small watershed. Urban watershed hydrological data monitoring system is needed because of big flood potential damage and lack of urban watershed hydrological data. Therefore, Urban Flood Disaster Management Research Center operates small experimental catchments(Sinnae1, Gunja, and Children's Park) observing and analyzing hydrological data(rainfall, stage, and discharge). In this study, the discharge of combined sewage for Gunja experimental drainage is analyzed with weekly data and day of the week data. Through several analyses in analyzing the urban runoff characteristics and managing the urban sewage system, direct runoff is calibrated and verified by the estimated values of rainfall-runoff model(SWMM).
Keywords
urban watershed; Gunja experimental drainage; discharge of combined sewage; direct runoff; SWMM;
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