First, a numerical simulation is performed by using a spatially distributed hydrological model in order to focus on how flood statistics change with varying drainage density. The three-stage evaluation appears to recommend that a vital worth of the drainage density exists for which a minimal is attained in each the coefficient of variation and absolutely the value of the skewness coefficient. The investigation is carried out by a three-stage evaluation. Such minima within the flood statistics correspond to a minimum of the flood quantile for a given exceedance chance (i.e., recurrence interval). Third, actual world information from 44 watersheds positioned in northern Italy were analysed. Second, a conceptual hydrological mannequin is used with a purpose to analytically derive the dependence of flood statistics on drainage density. Therefore, the results of this study may provide useful indications for flood danger assessment in ungauged basins. Abstract. We investigate the links between the drainage density of a river basin and selected flood statistics, particularly, imply, customary deviation, coefficient of variation and coefficient of skewness of annual maximum sequence of peak flows.
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