Investigating the temporal fluctuations in geoelectrical and geochemical signals Jointly measured in a seismic area of Southern Apennine chain (Italy)

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V. Cuomo
G. Di Bello
J. Heinecke
V. Lapenna
G. Martinelli
S. Piscitelli
L. Telesca

Abstract

We analyse geoelectrical and geochemical time series jointly measured by means of a multiparametric automatic station close to an anomalous fluid emission in Val d'Agri (Basilicata, Southern Italy). In the investigated are some destructive seismic events occurred in past and recent years. We analysed the temporal fluctuations of the signals by spectral tools. We detected scaling behaviours in the power spectra of the time series recorded, that are typical fingerprints of fractional Brownian motions. The estimated values of the spectral indices reveal the presence of antipersistent behaviour in the time dynamics of all geoelectrical and geochemical data recorded. This work intends to improve our knowledge of the inner time dynamics of geophysical non-seismometric parameters.

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1.
Cuomo V, Di Bello G, Heinecke J, Lapenna V, Martinelli G, Piscitelli S, Telesca L. Investigating the temporal fluctuations in geoelectrical and geochemical signals Jointly measured in a seismic area of Southern Apennine chain (Italy). Ann. Geophys. [Internet]. 2001Dec.25 [cited 2021Sep.21];44(2). Available from: https://www.annalsofgeophysics.eu/index.php/annals/article/view/3584
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