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Non-linear Analysis of Geomagnetic Time Series from Etna Volcano : Volume 11, Issue 1 (25/02/2004)

By Currenti, G.

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Book Id: WPLBN0004019584
Format Type: PDF Article :
File Size: Pages 7
Reproduction Date: 2015

Title: Non-linear Analysis of Geomagnetic Time Series from Etna Volcano : Volume 11, Issue 1 (25/02/2004)  
Author: Currenti, G.
Volume: Vol. 11, Issue 1
Language: English
Subject: Science, Nonlinear, Processes
Collections: Periodicals: Journal and Magazine Collection (Contemporary), Copernicus GmbH
Historic
Publication Date:
2004
Publisher: Copernicus Gmbh, Göttingen, Germany
Member Page: Copernicus Publications

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Napoli, R., Fortuna, L., Negro, C. D., Currenti, G., & Vicari, A. (2004). Non-linear Analysis of Geomagnetic Time Series from Etna Volcano : Volume 11, Issue 1 (25/02/2004). Retrieved from http://hawaiilibrary.net/


Description
Description: Istituto Nazionale di Geofisica e Vulcanologia – Sezione di Catania, Italy. An intensive nonlinear analysis of geomagnetic time series from the magnetic network on Etna volcano was carried out to investigate the dynamical behavior of magnetic anomalies in volcanic areas. The short-term predictability of the geomagnetic time series was evaluated to establish a possible low-dimensional deterministic dynamics. We estimated the predictive ability of both a nonlinear forecasting technique and a global autoregressive model by comparing the prediction errors. Our findings highlight that volcanomagnetic signals are the result of complex processes that cannot easily be predicted. There is slight evidence based on nonlinear predictions, that the geomagnetic time series are to be governed by many variables, whose time evolution could be better regarded as arising from complex high dimensional processes.

Summary
Non-linear analysis of geomagnetic time series from Etna volcano

 

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