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KMID : 1024520040130090759
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Journal of the Environmental Sciences
2004 Volume.13 No. 9 p.759 ~ p.765
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Improvement of Rating-curve by HEC-RAS
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Lee Yeong-Hwa
Lee Chang-Soo
Park Ki-Bum
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Abstract
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HEC-RAS model is used for estimation of rating-curve of Musung in Wi stream. Discharge is computed from stage estimated by HEC-RAS model, is compared with the discharge of water surface slope method. The relative deviation of observed and computed discharge is 5.37%, and shows as a good results. A rating-curve by HEC-RAS model shows better results than by water surface slope method.
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KEYWORD
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Rating-curve, HEC-RAS, Surface slope method
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