 |
| Titel |
High spatial and temporal resolution observations of the ionospheric cusp |
| VerfasserIn |
M. Pinnock, A. S. Rodger, J. R. Dudeney, F. Rich, K. B. Baker |
| Medientyp |
Artikel
|
| Sprache |
Englisch
|
| ISSN |
0992-7689
|
| Digitales Dokument |
URL |
| Erschienen |
In: Annales Geophysicae ; 13, no. 9 ; Nr. 13, no. 9, S.919-925 |
| Datensatznummer |
250011976
|
| Publikation (Nr.) |
 copernicus.org/angeo-13-919-1995.pdf |
|
|
|
|
|
| Zusammenfassung |
| The Halley PACE HF radar has been operated in
a new mode to provide very high time (10 s) and space (15 km) resolution
measurements of the iono-spheric signatures of the cusp and the low-latitude
boundary layer. The first data show that the iono-spheric signature of flux
transfer events occur up to 300 km equatorward of regions showing the HF
characteristics of the ionospheric cusp. Whilst larger flux transfer events are
seen, on average, every 7 min, many much smaller and short-duration events have
been identified. On one occasion DMSP data have been used to show that at least
four flux transfer events are occurring simultaneously at the edge of the cusp
over 2 h of MLT. There is strong, but not conclusive evidence, that reconnection
at the magnetopause is both intermittent and patchy. These data also suggest
that flux transfer events can be a significant contributor to the cross-polar
cap potential. |
| |
|
| Teil von |
|
|
|
|
|
|
|
|