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Technical Note

Physical Parameterization of IDF Curves Based on Short-Duration Storms

1
Water Research Center, Centro de Investigaciones del Agua-Queretaro (CIAQ), International Flood Initiative, Latin-American and the Caribbean Region (IFI-LAC), International Hydrological Programme (IHP-UNESCO), Universidad Autonoma de Queretaro, 76010 Queretaro, Mexico
2
Facultad de Ingenieria, Centro de Investigacion y Desarrollo en Ingenieria Portuaria, Maritima y Costera (CIDIPORT), Universidad Autonoma de Tamaulipas, 87000 Tamaulipas, Mexico
3
Facultad de Ingenieria, Universidad Nacional Autonoma de Mexico Cd. Universitaria, Coyoacan, 04510 Ciudad de Mexico, Mexico
*
Author to whom correspondence should be addressed.
Water 2019, 11(9), 1813; https://doi.org/10.3390/w11091813
Received: 1 April 2019 / Revised: 7 August 2019 / Accepted: 8 August 2019 / Published: 30 August 2019
(This article belongs to the Special Issue Urban Rainfall Analysis and Flood Management)
Intensity–duration–frequency (IDF) curves are empirical mathematical formulations that have been used for years in engineering for planning, design, and operation of hydraulic projects. The expression proposed by Sherman (1931) has been validated and used largely by many researchers. In all cases, the four parameters of this formulation are obtained through a numerical procedure. Although these parameters are obtained from historical rainfall observations, the optimization of these parameters implies an infinite combination between them and all those solutions would be valid. Of the four parameters, only one of them (C) has units, and for this reason, a physical sense of parameter C is searched for. Having certainty that some of them can be measured in situ would represent a great advance for modern hydrology. With data from 523 storms monitored every minute, a parametric adjustment was made to the Sherman equation and the typical duration of storms at each site was also obtained. To demonstrate how rainfall intensities vary with the change in C value, rainfall intensities calculations for of 5, 10, 15, and 20 min rainfall duration are used to validate the proposed methodology. The results show that typical storm duration is correlated with the additive parameter of Sherman’s formula. View Full-Text
Keywords: IDF curves; short duration storms; Sherman equation; scale factor; Mexico IDF curves; short duration storms; Sherman equation; scale factor; Mexico
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MDPI and ACS Style

Gutierrez-Lopez, A.; Jimenez Hernandez, S.B.; Escalante Sandoval, C. Physical Parameterization of IDF Curves Based on Short-Duration Storms. Water 2019, 11, 1813. https://doi.org/10.3390/w11091813

AMA Style

Gutierrez-Lopez A, Jimenez Hernandez SB, Escalante Sandoval C. Physical Parameterization of IDF Curves Based on Short-Duration Storms. Water. 2019; 11(9):1813. https://doi.org/10.3390/w11091813

Chicago/Turabian Style

Gutierrez-Lopez, Alfonso; Jimenez Hernandez, Sergio B.; Escalante Sandoval, Carlos. 2019. "Physical Parameterization of IDF Curves Based on Short-Duration Storms" Water 11, no. 9: 1813. https://doi.org/10.3390/w11091813

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