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

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 antecede...

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Veröffentlicht in:	Hydrological processes 2005-09, Vol.19 (14), p.2701-2718
Hauptverfasser:	Mishra, S. K., Jain, M. K., Pandey, R. P., Singh, V. P.
Format:	Artikel
Sprache:	eng
Schlagworte:	Agricultural Research Service antecedent moisture curve number Earth sciences Earth, ocean, space Exact sciences and technology Freshwater Hydrology Hydrology. Hydrogeology Mishra-Singh model SCS-CN method Soil Conservation Service
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Zusammenfassung:	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.
ISSN:	0885-6087 1099-1085
DOI:	10.1002/hyp.5736