Physical meaning of the equinoctial effect for semi-annual variation in geomagnetic activity
Physical meaning of the equinoctial effect for semi-annual variation in geomagnetic activity is investigated based on the three-hourly <I>am</I> index and solar wind parameters. When the z component of the interplanetary magnetic field (IMF) in geocentric solar magnetospheric (GSM) co...
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| Format: | Article |
| Language: | English |
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Copernicus Publications
2009-05-01
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| Series: | Annales Geophysicae |
| Online Access: | https://www.ann-geophys.net/27/1909/2009/angeo-27-1909-2009.pdf |