Clustering of Rainfall Stations in RH-24 Mexico Region Using the Hurst Exponent in Semivariograms

Benavides Bravo, Francisco Gerardo y Almaguer Martínez, Francisco Javier y Soto Villalobos, Roberto y Tercero Gómez, Víctor y Morales Castillo, Javier (2015) Clustering of Rainfall Stations in RH-24 Mexico Region Using the Hurst Exponent in Semivariograms. Mathematical Problems in Engineering, 2015. pp. 1-7. ISSN 1024-123X

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Resumen

An important topic in the study of the time series behavior and, in particular, meteorological time series is the long-range dependence. This paper explores the behavior of rainfall variations in different periods, using long-range correlations analysis. Semivariograms and Hurst exponent were applied to historical data in different pluviometric stations of the R´ıo Bravo-San Juan watershed, at the hydrographic RH-24 Mexico region.The database was provided by theWater National Commission (CONAGUA). Using the semivariograms, the Hurst exponent was obtained and used as an input to perform a cluster analysis of rainfall stations. Groups of homogeneous samples that might be useful in a regional frequency analysis were obtained through the process.

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