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| Titel |
A theoretical interpretation of ion composition measured on board the 'Active' satellite in the European sector during April 10-12, 1990 geomagnetic storm |
| VerfasserIn |
M. Forster, V. Mikhailov, A. Mikhailov, J. Smilauer |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
0992-7689
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| Digitales Dokument |
URL |
| Erschienen |
In: Annales Geophysicae ; 13, no. 6 ; Nr. 13, no. 6, S.608-616 |
| Datensatznummer |
250011881
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| Publikation (Nr.) |
 copernicus.org/angeo-13-608-1995.pdf |
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| Zusammenfassung |
| Ion composition measurements on board the
ACTIVE satellite during the recovery phase of a strong geomagnetic storm of
10-12 April 1990 revealed extremely high concentrations (up to 103 cm-3)
of the NO+, O+2, N+2
molecular ions in the topside F2-region of the European high-latitude zone.
Concentrations of O+, N+, He+, H+
light ions were slightly decreased relative to prestorm quite conditions.
Theoretical calculations were used to analyze the observed variations in ion
concentration. Increased neutral temperature and [O2], [N2]
are shown to be the main reasons for the observed ion concentration variations. |
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