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Tecnología y ciencias del agua
versión On-line ISSN 2007-2422
Resumen
MANZANO-AGUGLIARO, Francisco; ZAPATA-SIERRA, Antonio; RUBI-MALDONADO, Juan Francisco y HERNANDEZ-ESCOBEDO, Quetzalcoatl. Assessment of obtaining IDF curve methods for Mexico. Tecnol. cienc. agua [online]. 2014, vol.5, n.3, pp.149-158. ISSN 2007-2422.
This paper assesses the methods of obtaining IDF curves for the country of Mexico: modified Wencel, Chen, modified Chen, Témez and modified Témez. The data came from a total of 63 automated weather stations distributed throughout the country, recording data every 10 minutes for a minimum of 7 years. For the analysis, stations 50 km or less from the coast were identified as coastal and the remaining as inland. For each station, all of the parameters for the methods mentioned to calculate the IDF curves were evaluated for durations of 10 minutes to 24 hours, and return periods of 2 to 500 years. It was shown that when rainfall records for 10 minutes or less are used the Wencel method is recommended, and when the records are hourly the Chen method is recommended. When rainfall data are daily for durations under 2 h, the modified Temez method is required, and for durations of more than 2 h the best method is the modified Chen for inland areas and modified Temez for coastal areas.
Palabras llave : Mexico; IDF; extreme rainfall; coastal; inland; Wencel; Chen; Témez.