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An improved AMC-coupled runoff curve number model

โœ Scribed by Ram Kumar Sahu; S. K. Mishra; T. I. Eldho

Publisher
John Wiley and Sons
Year
2010
Tongue
English
Weight
103 KB
Volume
24
Category
Article
ISSN
0885-6087

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โœฆ Synopsis

Abstract

In the Soil Conservation Service Curve Number (SCSโ€CN) method, the three levels of antecedent moisture condition (AMC) permit unreasonable sudden jumps in curve numbers, which result into corresponding jumps in the estimated runoff. A few recently developed SCSโ€CNโ€based models obviate this problem, yet they have several limitations. In this study, such a model incorporating a continuous function for antecedent moisture has been presented. It has several advantages over the other existing SCSโ€CNโ€based models. Its application to a large dataset from US watersheds showed to perform better than the existing SCSโ€CN method and the others based on it. Copyright ยฉ 2010 John Wiley & Sons, Ltd.

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