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http://dx.doi.org/10.3741/JKWRA.2005.38.7.555

An Analysis of the Rainfall-Runoff of Natural Watershed Using the Hydraulic Routing Method  

Kwon, Hyun-Han (Columbia University)
Moon, Young-Il (Columbia University)
Publication Information
Journal of Korea Water Resources Association / v.38, no.7, 2005 , pp. 555-564 More about this Journal
Abstract
In this study, a simple rainfall-runoff model was proposed by using the hydraulic routing model that requires relatively few parameters. The parameters of this model were estimated by the watershed characteristics data, and were applied to the Soyang watershed and Ui stream watershed by using the kinematic wave for overland flow and dynamic wave routing for channel routing. In order to demonstrate validity, the proposed approach was compared to the HEC-1 model for the Soyang watershed. As the results of modeling have shown, the hydraulic model shows reasonable results similar to that of the HEC-1 model. This model also represents good results for the Ui stream watershed. Hence, even if this model is a simple rainfall-runoff model using general methodology, it is competitive to the natural watershed. However, it is still difficult to estimate the roughness coefficient and the catchment width, and therefore this model is in need of such supplements.
Keywords
kinematic wave; dynamic wave; rainfall-runoff modeling; ungauged watershed;
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Times Cited By KSCI : 6  (Citation Analysis)
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