<I>a<sub>p</sub></I>-index solar wind driving function and its semiannual variations
Semiannual variation of geomagnetic activity and <I>a<sub>p</sub></I>-index in particular is supposed to consist of heliospheric factor (axial hypothesis and Russell-McPherron effect) and magnetospheric/ionospheric factor (equinoctical hypothesis). In our investigation...
| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
Copernicus Publications
2007-07-01
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| Series: | Annales Geophysicae |
| Online Access: | https://www.ann-geophys.net/25/1465/2007/angeo-25-1465-2007.pdf |