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| Titel |
E- and F-region coupling between an intense sporadic E layer and a mesoscale traveling ionospheric disturbance |
| VerfasserIn |
W. E. Swartz, M. C. Kelley, N. Aponte |
| 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 ; 27, no. 6 ; Nr. 27, no. 6 (2009-06-19), S.2475-2482 |
| Datensatznummer |
250016560
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| Publikation (Nr.) |
 copernicus.org/angeo-27-2475-2009.pdf |
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| Zusammenfassung |
| Considerable controversy exists concerning the relative roles of
the E- and F-regions in controlling irregularity formation in
the mid-latitude ionosphere, largely because electric fields due
to a plasma instability in one region may map to the other if the
perpendicular scales are sufficiently large. In this paper we
look at a particularly fortuitous data set in which both E- and
F-region observations were made using incoherent scatter radar,
GPS, lidar, and coherent scatter radar. In this event, a dense,
patchy sporadic E layer was detected that exhibited type I
(two-stream) coherent echoes while, at the same time, the
F-layer plasma was highly structured with plasma drifts of
hundreds of m/s. We examine this event in the context of a
mesoscale traveling ionospheric disturbance. The data
presentation will be followed by comparison with current theories
for coupling between these two regions. |
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