Long-time correlations of sea-level and local atmospheric pressure fluctuations at Trieste

Alessandro Beretta, H. Eduardo Roman, Fabio Raicich and Fulvio Crisciani

Physica A: Statistical Mechanics and its Applications, 2005, vol. 347, issue C, 695-703

Abstract: A random walk analysis of pressure and sea-level fluctuations from daily data taken at Trieste during the period 1939–2002 is presented. It is shown that the associated time series display long-time autocorrelations up to time scales of several thousand of days, characterized by a Hurst exponent H≈0.70 for sea-level and H≈0.58 for pressure. The corresponding probability distribution functions depart from the Gaussian shape, displaying asymmetric tails. The series are found to be cross-correlated with a cross-correlation coefficient of about -0.76.

Date: 2005
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:347:y:2005:i:c:p:695-703

DOI: 10.1016/j.physa.2004.08.027

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