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| Titel |
Orientation of the cross-field anisotropy of small-scale ionospheric irregularities and direction of plasma convection |
| VerfasserIn |
E. D. Tereshchenko, N. Yu. Romanova, A. V. Koustov |
| 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 ; 23, no. 4 ; Nr. 23, no. 4 (2005-06-03), S.1227-1237 |
| Datensatznummer |
250015218
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| Publikation (Nr.) |
 copernicus.org/angeo-23-1227-2005.pdf |
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| Zusammenfassung |
| The relationship between the orientation of the
small-scale ionospheric irregularity anisotropy in a plane
perpendicular to the geomagnetic field and the direction of plasma
convection in the F region is investigated. The cross-field
anisotropy of irregularities is obtained by fitting theoretical
expectations for the amplitude scintillations of satellite radio
signals to the actual measurements. Information on plasma
convection was provided by the SuperDARN HF radars. Joint
satellite/radar observations in both the auroral zone and the
polar cap are considered. It is shown that the irregularity
cross-field anisotropy agrees quite well with the direction of
plasma convection with the best agreement for events with
quasi-stationary convection patterns. |
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