Computer Science
Scientific paper
Feb 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008ge%26ae..48..129r&link_type=abstract
Geomagnetism and Aeronomy, Volume 48, Issue 1, pp.129-136
Computer Science
94.30.Va, 91.25.Rt, Magnetosphere Interactions, Magnetic Anomalies, Modeling And Interpretations
Scientific paper
The present-day concept “geomagnetic activity” as visually observed disturbances used to determine indices is ersatz with respect to real variations in the geomagnetic field. Therefore, the usage of this concept is accompanied by a number of falsifications of source information properties. Moreover, this concept is slightly wider than an actually analyzable class of variations. A new concept of geomagnetic activity includes only those field variations that are generated by the solar corpuscular emission with frozen-in magnetic fields and during the interaction of this emission with the Earth’s magnetosphere. At midlatitudes, these variations are mainly related to magnetic storms. The usage of the new concept with the help of the advanced methods of analysis makes it possible to reject the Bartels scale of indices, increases the accuracy in detecting and studying field variations in all frequency bands and the self-descriptiveness of these variations, and proposes simpler backgrounds for creating indices of the initial and detected series.
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