Asymmetry in Seasonal Variation of Geomagnetic Activity

Falayi, E O and Beloff, N (2009) Asymmetry in Seasonal Variation of Geomagnetic Activity. Canadian Journal of Pure and Applied Sciences, 3 (2). pp. 813-820. ISSN 1715-9997

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Seasonal variations in geomagnetic activities were studied for the period of 1990-2007 using Dst and AE indices. Over 150 events characterised by increase in geomagnetic activity of varying strength (from -90 up to -1800nT) were statistically analysed. Although Russell- McPherron effect plays a major role in the equinoctial asymmetry of the geomagnetic activity, others 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: Elijah Falayi
Date Deposited: 06 Feb 2012 18:37
Last Modified: 27 Mar 2012 09:31
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