Calibrating HEC-HMS model with limited spatial information: a case study in Nongson watershed, Thubon river, Vietnam <?xml:namespace prefix = "o" ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p>
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Keywords:
HEC-HMS
calibration
flood hydrograph
sensity analysis
further calibration
Abstract
Using hydrologic models to simulate and forecast flood become more challenging when facing with limited information of watershed characteristics and gauging stations. In solving the problem, this study developed a calibration procedure of HEC-HMS model with four steps for reducing parameter’s uncertainty and improving model performance, which include (1) identifying the number of sub-basin, (2) determining the optimal combination of loss model and transform model, (3) finding out the sensitive model parameters, and (4) further calibrating model. Through the calibration procedure, the simulated flood hydrographs applied for Nongson watershed have better performances on simulations of peak flood, time to peak and runoff volume
References
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Published
Dec 31, 2013
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How to Cite
Do Thi Kim Anh, Le Minh Canh. “Gt”;. The University of Danang - Journal of Science and Technology, vol. 12, no. 73.1, Dec. 2013, pp. 1-6, https://jst-ud.vn/jst-ud/article/view/2655.
