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http://dx.doi.org/10.17663/JWR.2017.19.3.335

Estimation of Design Flood Discharge by Areal Ratio for Ungauged Basin  

Lee, Jiho (Department of Civil Engineering, Seoul Nation University of Science and Technology)
Park, Jaebeom (Daon Solution)
Song, Yangho (Department of Civil & Environmental Engineering, Hanbat National University)
Jun, Hwandon (Department of Civil Engineering, Seoul Nation University of Science and Technology)
Lee, Jungho (Department of Civil & Environmental Engineering, Hanbat National University)
Publication Information
Journal of Wetlands Research / v.19, no.3, 2017 , pp. 335-344 More about this Journal
Abstract
In this study, We proposed a method to estimate the design flood by area ratio in an ungauged basin. For that, the discharge parameters was determined by calibration of observed data at the watershed outlet and then peak flow was estimated by area ratio. In order to verify suggested method, peak flow was compared the observed discharge of the small river basin and the design flood discharge of river implementation projects. The results were summarized as follows. As a result of comparing the discharge by the area ratio and observed discharge, the difference of peak flows were analysed 14 ~ 25%. When the discharge calculated with area ratio of small river was compared with the design flood discharge of river implementation projects, the relative error was analyzed to be less than 20%. It means that suggested method in this study is appropriate.
Keywords
Design flood discharge; Observed discharge; River implementation projects; Ungauged basin; Area ratio;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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