 |
| Titel |
Non-linear analysis of geomagnetic time series from Etna volcano |
| VerfasserIn |
G. Currenti, C. Negro, L. Fortuna, R. Napoli, A. Vicari |
| Medientyp |
Artikel
|
| Sprache |
Englisch
|
| ISSN |
1023-5809
|
| Digitales Dokument |
URL |
| Erschienen |
In: Nonlinear Processes in Geophysics ; 11, no. 1 ; Nr. 11, no. 1 (2004-02-25), S.119-125 |
| Datensatznummer |
250009028
|
| Publikation (Nr.) |
 copernicus.org/npg-11-119-2004.pdf |
|
|
|
|
|
| Zusammenfassung |
| 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. |
| |
|
| Teil von |
|
|
|
|
|
|
|
|