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Exact distribution of the peak streamflow
School of Mathematics, University of Manchester, Manchester, UK
Iacobellis and Fiorentino (2000) and Fiorentino et al. (2006) proposed modeling the peak of direct streamflow as a product of two independent random variables: one gamma distributed and the other Weibull distributed. However, the papers did not provide any results on the theoretical probability distribution of the peak streamflow. In this note, we derive explicit expressions for the probability density function, cumulative distribution function, and the moment measures of the peak streamflow. We also show how one could determine the percentiles of the peak streamflow. The results of this note could be applied more widely than just for the modeling of peak streamflow.
Received 28 June 2006; accepted 22 October 2006; published 17 February 2007.
Citation: (2007), Exact distribution of the peak streamflow, Water Resour. Res., 43, W02501, doi:10.1029/2006WR005300.
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