Catchment area-based evaluation of the AMC-dependent SCS-CN-based rainfall-runoff models

descriptionPublicationkeyboard_double_arrow_right Article 01 Jan 2005 English Publisher:WileyJournal:Hydrological Processes, volume 19, pages 2,701-2,718 (issn: 0885-6087, eissn: 1099-1085,

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Authors: S. K. Mishra; M. K. Jain; R. P. Pandey; V. P. Singh;

doi: 10.1002/hyp.5736

Catchment area-based evaluation of the AMC-dependent SCS-CN-based rainfall-runoff models

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Abstract

Using a large set of rainfall–runoff data from 234 watersheds in the USA, a catchment area-based evaluation of the modified version of the Mishra and Singh (2002a) model was performed. The model is based on the Soil Conservation Service Curve Number (SCS-CN) methodology and incorporates the antecedent moisture in computation of direct surface runoff. Comparison with the existing SCS-CN method showed that the modified version performed better than did the existing one on the data of all seven area-based groups of watersheds ranging from 0·01 to 310·3 km2. Copyright © 2005 John Wiley & Sons, Ltd.

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