A statistical analysis of polarity reversals of the geomagnetic field (Articolo in rivista)

Type
Label
  • A statistical analysis of polarity reversals of the geomagnetic field (Articolo in rivista) (literal)
Anno
  • 2007-01-01T00:00:00+01:00 (literal)
Alternative label
  • Sorriso-Valvo, Luca; Stefani, Frank; Carbone, Vincenzo; Nigro, Giuseppina; Lepreti, Fabio; Vecchio, Antonio; Veltri, Pierluigi (2007)
    A statistical analysis of polarity reversals of the geomagnetic field
    in Physics of the earth and planetary interiors
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Sorriso-Valvo, Luca; Stefani, Frank; Carbone, Vincenzo; Nigro, Giuseppina; Lepreti, Fabio; Vecchio, Antonio; Veltri, Pierluigi (literal)
Pagina inizio
  • 197 (literal)
Pagina fine
  • 207 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 164 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Univ Calabria, Dipartimento Fis, I-87036 Arcavacata Di Rende, CS, Italy; INFM, CNR, LICRYL, I-87036 Arcavacata Di Rende, CS, Italy; Forschungszentrum Rossendorf EV, D-01314 Dresden, Germany; CNISM, Unita Cosenza, I-87036 Arcavacata Di Rende, CS, Italy; Osserv Astrofis Arcetri, INAF, I-50125 Florence, Italy (literal)
Titolo
  • A statistical analysis of polarity reversals of the geomagnetic field (literal)
Abstract
  • We investigate the temporal distribution of polarity reversals of the geomagnetic field. In spite of the common assumption that the reversal sequence can be modeled as a realization of a renewal Poisson process with a variable rate, we show that the polarity reversals strongly depart from a local Poisson statistics. The origin of this failure can be attributed to temporal clustering, thus suggesting the presence of long-range correlations in the underlying dynamo process. In this framework we compare our results with the behaviour of different models that describe the time evolution of the reversals. (C) 2007 Elsevier B.V. All rights reserved. (literal)
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