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The Simulation of Flood Hydrograph in Natural and Urban Basins

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DOI: 10.4236/ojg.2018.87037    275 Downloads   515 Views

ABSTRACT

The exact estimation of the flood is one of the main concerns for designers of the water bodies. The significance of this issue in the catchment areas overlooking the cities is more and more visible. In this study, HEC-HMS model is used to simulate the catchment area of the Khoshk River in the Shiraz city. The simulation results and its comparison with the observations based on Nash-Sutcliffe coefficient confirm the validity of the model. The input data of the model includes Rainfall, Measured Discharge, Flood Peak Time, Curve Number (CN), and so on. These results indicate that although the shape of the simulated hydrograph is not exactly the same as the observed hydrograph, it has estimated the peak of flood discharge well with an error rate of two to five percent.

Cite this paper

Torabi, S. , Sedghi, H. , Porhemmat, J. and Babazadeh, H. (2018) The Simulation of Flood Hydrograph in Natural and Urban Basins. Open Journal of Geology, 8, 641-646. doi: 10.4236/ojg.2018.87037.

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