A physically based simplified discharge routingmethod, namely, the variable parameter Muskingum discharge-hydrograph (vpmd) routingmethod, having the capability of estimating the stage hydrographs simultaneously in ...
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A physically based simplified discharge routingmethod, namely, the variable parameter Muskingum discharge-hydrograph (vpmd) routingmethod, having the capability of estimating the stage hydrographs simultaneously in channels with floodplains is presented herein. The upstream discharge hydrograph is routed using this vpmdmethod in different two-stage symmetrical trapezoidal compound cross section channel reaches. The performance of the vpmdmethod is evaluated by numerical experiments using the benchmark MIKE11 hydrodynamic model and the field data of the Tiber River in central Italy. The proposed method is capable of accurately routing the discharge hydrographs, corresponding stage hydrographs and synthesizing the normal rating curves at any downstream ungauged river site which is not affected by any downstream effects. This study can be helpful for various planning and management of river water resources in both the diagnostic and prognostic modes.
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