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KMID : 1024519980070050581
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Journal of the Environmental Sciences
1998 Volume.7 No. 5 p.581 ~ p.590
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A Study on the Sensitivity Analysis of the Deterministic Sediment Yield Formulas
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Kim Sung-Won
Koh Byoung-Ryoun
Cho Chung-Seok
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Abstract
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This st at the development of the adequate sediment yield formulas in Wi-Stream basin ; IHP representative basin in Korea. As a result of applying outstanding sediment yield formulas among the existing formulas, it is analyzed that including the Engelund ＆ Hansen formula, Yang formula is proper to the Wi-Stream basin. And as a result of sensitivity analysis to the sediment parameters it is analyzed that Rijn and Actors ＆ White formula is more sensible than any other formulas which has been applied the velocity and depth among the parameters. Also, Engelund ＆ Hansen and Yang formula is less sensible than any other formulas. In Wi-Stream basin, it is analyzed that Yang and Engelund ＆ Hansen formula is the most suitable sediment yield formula in this study. But because the existing formulas had been developed in foreign countries and applied the foreign natural livers and reservoirs, it makes careful use of Korean alluvial river and hoped that it will be developed the most adequate formula in Wi-Stream basin.
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KEYWORD
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Engelund ＆ Hansen, Yang, sensitivity analysis, sediment yield formulas, Van Rijn, Ackers and White
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