EVALUATING OF MUSKINGUM HYDROLOGIC MODEL PARAMETERS IN REACH FOUR OF NILE RIVER USING lD MODEL

The hydrologic channel routing models used to predict the downstream routed hydrograph for a river reach are widely spread, especially due to the expected hazards that may affect the river banks and settlements along its length. To estimate the parameters (K and X) of the Muskingum hydrologic routing model for the Nile forth reach, a hydrodynamic model was calibrated and then used to simulate a transient flow cases. The hydrodynamic model results were used to calculate the value of K while the parameter X of the previously mentioned hydrological routing model was then tested, in comparison with the developed 1-D hydrodynamic model. Its best value was estimated based on the least absolute error between the two models results.