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Seasonal and longitudinal effects on plasmaspheric tube content

Rippeth, Y.; Moffett, R.J.; Bailey, G.J.. 1992 Seasonal and longitudinal effects on plasmaspheric tube content. Advances in Space Research, 12 (6). 179-182. https://doi.org/10.1016/0273-1177(92)90053-Z

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Abstract/Summary

A mathematical model of the ionosphere and plasmasphere that includes an eccentric dipole geomagnetic field has been constructed to model, in the first instance, whistler results at L = 2.5. Observations show that there is a pronounced annual variation in plasmaspheric tube content at mid-latitudes and that this effect is modulated by longitude. The model results indicate that the geometry of the magnetic field (in terms of geographic coordinates) is a major factor in determining the magnitude of the annual variation, with neutral air winds and the degree of plasmaspheric refilling also important. A global variation in neutral atomic hydrogen abundance appears to have little influence.

Item Type: Publication - Article
Digital Object Identifier (DOI): https://doi.org/10.1016/0273-1177(92)90053-Z
ISSN: 02731177
Date made live: 04 Jan 2018 11:48 +0 (UTC)
URI: http://nora.nerc.ac.uk/id/eprint/518877

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