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Rainfall Maximum Intensities for Urban Hydrological Design in Mexican Republic

Keywords: Intensity–Duration–Frequency curves , annual daily maximum precipitation , Chen formula , GEV distribution.

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Abstract:

Firstly, through the urban hydrosystem concept and through urbanization, the difficulties and approach of the urban flood estimation are established, based in the Intensity–Duration–Frequency curves (IDF). Next, in 10 recording gages located in very different geographic zones, a procedure is contrasted for IDF estimation curves, which utilized the Chen formula and the available information in the Mexican Republic for isohyet intensities and annual daily maximum rainfall. Late, having verified their capacity and approximation to reproduce the IDF curves, the utilized procedure was applied in 45 important locations of the country, showing the results. Lastly, the conclusions are formulated, which point out the approximation and simplicity of the proposal procedure.

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