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Revista mexicana de ciencias agrícolas

Print version ISSN 2007-0934


VELASQUEZ VALLE, Miguel Agustín et al. Temporal invariance to scaling of time series of daily rainfall data. Rev. Mex. Cienc. Agríc [online]. 2010, vol.1, n.4, pp.479-492. ISSN 2007-0934.

Variation in magnitude of events of pluvial precipitation is due to occurrence of dry season, humid season and extreme phenomena. The aim of this investigation was to determine invariance grade at scaling (at different scale) of a series of time of pluvial precipitation, by means of fractal analysis. It was used historical precipitation series from 1978 to August of 1996 from meteorological station Santa Fé de la Laguna, Quiroga, Michoacán, Mexico. Databases were elaborated at daily, monthly and annual scale; the coefficient of Hurst was calculated with the reference methods of wavelets and with re-scaled range designed for the analysis of self-affine patterns. The randomness of events, the invariance to scaling was determined and the dynamic distribution of the events.

Keywords : databases; fractal analysis; Hurst coefficient; precipitation.

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