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Operational Improvement of Small Urban Storm Water Pumping Station (1) - Simulation of Flood Hydrograph using GIS-based Hydrologic Model  

Gil, Kyung-Ik (Department of Civil Engineering, Seoul National University of Technology)
Han, Jong-Ok (Department of Civil Engineering, Seoul National University of Technology)
Kim, Goo-Hyun (Water Supply Team, City of Guri)
Publication Information
Journal of Korean Society on Water Environment / v.21, no.6, 2005 , pp. 682-686 More about this Journal
Abstract
Recently some urban areas have been flooded due to heavy storm rainfalls. Though major causes of these floodings may be attributed to localized heavy rainfalls, other factors are related to urban flooding including deficiency of storm sewer network capacity, change of surface runoff due to covered open channels, and operational problems of storm drainage pump stations. In this study, hydrologic and hydraulic analysis of Sutak basin in Guri city were carried out to evaluate flooding problems occurred during the heavy storm in July, 2001. ArcView, a world most widely used GIS tool, was used to extract required data for the hydrologic analysis including basin characteristics data, concentration times, channel routing data, land use data, soil distribution data and SCS runoff curve number generation from digital maps. HEC-HMS, a GIS-based runoff simulation model, was successfully used to simulate the flood inflow hydrograph to Sutak pumping station.
Keywords
Flood hydrograph; Geographical information system; HEC-HMS; Pumping station; Storm water;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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