The equatorial F-layer: progress and puzzles |
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Authors: | H Rishbeth |
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Institution: | (1) Department of Physics and Astronomy, University of Southampton, Southampton, SO17 1BJ, United Kingdom |
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Abstract: | This work reviews some aspects of the ionospheric F-layer in the vicinity of the geomagnetic equator. Starting with a historical introduction, brief summaries are given of the physics that makes the equatorial ionosphere so interesting, concentrating on the large-scale structure rather than the smaller-scale instability phenomena. Several individual topics are then discussed, including eclipse effects, the asymmetries of the equatorial trough , variations with longitude, the semiannual variation, the effects of the global thermospheric circulation, and finally the equatorial neutral thermosphere, including superrotation and possible topographic influences. |
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Keywords: | Ionosphere (equatorial ionosphere) |
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