Please use this identifier to cite or link to this item: http://117.252.14.250:8080/jspui/handle/123456789/3680
Title: A Rain Duration and Modified AMC-dependent SCS-CN Procedure for Long Duration Rainfall-runoff Events
Authors: Mishra, S. K.
Pandey, R. P.
Jain, M. K.
Singh, Vijay P.
Keywords: SCS Curve Number
Antecedent Moisture
Rainfall runoff
Initial abstraction
Rain duration
Issue Date: 2007
Publisher: Springer
Citation: Water Resour Manage (2008) 22:861–876
Abstract: This paper presents a rain duration-dependent procedure based on the popular Soil Conservation Service Curve Number (SCS-CN) methodology for computation of direct surface runoff from long duration rains. Curve numbers are derived from long-term daily rainfall-runoff data, and antecedent moisture condition (AMC) related with antecedent duration. Analysis of data from five Indian (large, in terms of area) watersheds reveals the calculated curve numbers to decrease with the considered duration, showing the existence of a characteristic value of minimum CN or maximum initial abstraction to occur in a watershed for a pre-selected AMC. The testing of the proposed procedure on the separate (measured) rainfall-runoff event data sets from the same watersheds suggests satisfactory workability of the method.
URI: http://117.252.14.250:8080/jspui/handle/123456789/3680
Appears in Collections:Research papers in International Journals

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