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| Titel |
Full profile incoherent scatter analysis at Jicamarca |
| VerfasserIn |
D. L. Hysell, F. S. Rodrigues, J. L. Chau, J. D. Huba |
| 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 ; 26, no. 1 ; Nr. 26, no. 1 (2008-02-04), S.59-75 |
| Datensatznummer |
250016003
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| Publikation (Nr.) |
 copernicus.org/angeo-26-59-2008.pdf |
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| Zusammenfassung |
| Incoherent scatter data from a hybrid long-pulse/double-pulse
experiment at Jicamarca are analyzed using a full-profile analysis
similar to the one implemented by Holt et al. (1992). In this
case, plasma density, electron and ion temperatures, and light ion
composition profiles in the topside are estimated simultaneously.
Full-profile analysis is crucial at Jicamarca, since the long
correlation time of the incoherent scatter signal at 50 MHz
invalidates conventional gated analysis. Results for a 24 h
interval in April of 2006 are presented, covering altitudes through
1600 km with 10 min time resolution, and compared with results from
the NRL ionospheric model SAMI2. The analysis provides the first
comprehensive assessment of ionospheric conditions over Jicamarca at
sunrise as well as the first 24-h record of helium ion layers.
Possible refinements to the experiment and the algorithm are
discussed. |
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