Long-term correlations in hourly wind speed records in Pernambuco, Brazil

Maíra de Oliveira Santos, Tatijana Stosic and Borko D. Stosic

Physica A: Statistical Mechanics and its Applications, 2012, vol. 391, issue 4, 1546-1552

Abstract: We study the statistical properties of hourly wind speed time series detected at four weather stations in the state of Pernambuco, Brazil, in the period 2008–2009. We find that the average and maximum hourly wind speeds deviate from a mutual linear relationship, and that they may be well explained individually by a Weibull distribution, however, with different shape parameter values. On the other hand, the long-term correlations of both of these observables obey the same power-law behavior, with two distinct scaling regimes. Our results agree with previous studies on wind speed series correlations in other regions of the world, which is suggestive of universal behavior.

Keywords: Wind speed; Power law; Detrended fluctuation analysis (search for similar items in EconPapers)
Date: 2012
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Citations: View citations in EconPapers (13)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:391:y:2012:i:4:p:1546-1552

DOI: 10.1016/j.physa.2011.08.041

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