Journal
HYDROLOGICAL PROCESSES
Volume 19, Issue 14, Pages 2701-2718Publisher
WILEY
DOI: 10.1002/hyp.5736
Keywords
Agricultural Research Service; antecedent moisture; curve number; Mishra-Singh model; Soil Conservation Service; SCS-CN method
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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 km(2). Copyright (c) 2005 John Wiley & Sons, Ltd.
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