Runoff Volume Frequency Estimationby A. Osman Akan, Old Dominion Univ, Norfolk, United States,
Stephen S. Heaney, Old Dominion Univ, Norfolk, United States,
Abstract: An explicit formula is reported to express the volume of runoff resulting from a single rainfall event in terms of the catchment and rainfall characteristics. This formula is obtained by fitting an equation to the results of a physically-based mathematical model. Then an approximate probability density function is found for the runoff volume given the density functions of rainfall intensity and duration.
Subject Headings: Rainfall-runoff relationships | Runoff | Rainfall duration | Rainfall intensity | Rain water | Mathematical models | Probability | Catchments
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