Geomorphoclimatic estimation of extreme flow probabilities
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A simple methodology is developed for the estimation of flood probabilities, using geomorphoclimatic information. The procedure uses rainfall data and those geomorphologic parameters which were included in the geomorphoclimatic instantaneous unit hydrograph previously developed by I. Rodrguez-Iturbe and coworkers. The methodology avoids the coupling of the frequencies in intensity and duration of rainfall with a peak discharge of a certain return period. A basin in Venezuela is analyzed in detail and the results are compared with the flood probabilities obtained from the historical streamflow series. 1983.