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http://hdl.handle.net/2122/736
Authors: | Telesca, L.* Colangelo, G.* Lapenna, V.* Macchiato, M.* |
Title: | A preliminary studyof the site-dependence of the multifractalfeatures of geoelectric measurements | Issue Date: | 2004 | Series/Report no.: | 1/47 (2004) | URI: | http://hdl.handle.net/2122/736 | Keywords: | self-potential signals multifractal formalism |
Subject Classification: | 04. Solid Earth::04.06. Seismology::04.06.10. Instruments and techniques | Abstract: | Multifractal analysis was performed to characterize the fluctuations in dynamics of the hourly time variability of self-potential signals measured from January 2001 to September 2002 by three stations installed in the Basilicata region (Southern Italy). Two stations (Giuliano and Tito) are located in a seismic area, and one (Laterza) in an aseismic area. Multifractal formalism leads to the identification of a set of parameters derived from the shape of the multifractal spectrum (the maximum a0, the asymmetry B and the width W) and measuring the «complexity» of the signals. Furthermore, the multifractal parameters seem to discriminate self-potential signals measured in seismic areas from those recorded in aseismic areas. |
Appears in Collections: | Annals of Geophysics |
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