A Regionalized Rainfall-Runoff Stochastic Model

by T. V. Hromadka, II, California State Univ, Fullerton, United States,

Document Type: Proceeding Paper

Part of: Hydraulic Engineering


The single area unit hydrograph model is used to develop a distribution model which accommodates the uncertainty in rainfall over the catchment. By categorizing the available rainfall data into storm classes, the model is then calibrated to the rainfall-runoff data to derive a distribution of unit hydrograph correlations on a storm class basis. The unit hydrograph distributions reflect the unknown variations in the effective rainfall over the catchment, among other factors.

Subject Headings: Hydrologic models | Hydrographs | Rainfall-runoff relationships | Stochastic processes | Storms | Catchments | Distribution functions

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