Abstract
Abstract There have been performed many researched for flood magnitude analysis, for example, the Flood- Duration-Frequency relations in the west. Because flood water stage data are more available rather than flood amount data at flood gauge stations of Korea, this study developed Flood water level-Duration-Frequency (Fwl-D-F) curves using rainfall Intensity-Duration-Frequency(I-D-F) curves for the quantitative flood risk assessment in urban watersheds. Fwl-D-F curve is made from water level data for 18 years at Joongrayng bridge station of Joongrayng River basin in Han River drainage area. Fwl-D-F curve can estimate the occurrence frequency for a certain flood elevation, which can be used for urban flood forecasting. It is expected that the flood elevation can be estimated from the forecasted rainfall data using both Fwl-D-F and I-D-F curves. Key Words : Flood water level, I-D-F curve, Fwl-D-F curve, Flood forecasting 본 연구는 국토해양부가 출연하고 한국건설교통기술평가원에서 위탁시행한 건설기술혁신사업 (08기술혁신F01)에 의한 차세대홍수방어기술개발연구단의 연구비 지원에 의해 수행되었습니다.
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