Asymmetry in seasonal variations of geomagnetic activity

Beloff, N and Falayi, E O (2007) Asymmetry in seasonal variations of geomagnetic activity. 521+.

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Abstract

Seasonal variations in geomagnetic activity were studied for the period of 1990-2007 using Dst and AE indices. Over 150 events characterised by the increase in geomagnetic activity of varying strength (from -90nT up to -1800 nT) were statistically analysed. Although Russell -McPherron effect plays major role in the equinoctial asymmetry in the geomagnetic activity, other effects may also take place. During this study we found a statistically significant October-November peak in geomagnetic activity for Northern Hemisphere, which is sufficiently larger than March- April peak. Several hypotheses for the cause of such effect are discussed.

Item Type: Article
Schools and Departments: School of Engineering and Informatics > Informatics
Depositing User: Natalia Beloff
Date Deposited: 06 Feb 2012 18:27
Last Modified: 04 Jun 2013 14:20
URI: http://sro.sussex.ac.uk/id/eprint/16497
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