Earth-prints: Spectral and fractal analyses of geomagnetic and riometric antarctic observations and a multidimensional index of activity

		Istituto Nazionale di Geofisica e Vulcanologia

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Title:	Spectral and fractal analyses of geomagnetic and riometric antarctic observations and a multidimensional index of activity
Authors:	De Santis, A.^* De Franceschi, G.^* Perrone, L.^*
Keywords:	spectral analysis fractal analysis polar geomagnetic and riometric data multidimensional index
Issue Date:	Jun-1997
Publisher:	Elsevier Science Ltd
Title of journal:	Journal of Atmospheric and Solar-Terrestrial Physics
Series/Report no.:	9 / 59 (1997)
Abstract:	The Istituto Nazionale di Geofisica under the P.N.R.A. (National Program of Research in Antarctica) has the responsibility of acquiring geophysical observations at the Italian Antarctic Base of Terra Nova Bay. Among others, geomagnetic and riometric data can provide some new insights into local and global activity of the magnetosphere-ionosphere coupling. This article investigates some properties of these kinds of data by means of spectral and fractal analyses. In addition, a multidimensional index is derived from this single-point dataset to represent not only the local but also the global state of the magnetospheric activity.
URI:	http://hdl.handle.net/2122/3972
Appears in Collections:	05.07.02. Space weather 05.01.04. Statistical analysis Papers Published / Papers in press 05.01.99. General or miscellaneous

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