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| Titel |
On the response of the equatorial and low latitude ionospheric regions in the Indian sector to the large magnetic disturbance of 29 October 2003 |
| VerfasserIn |
G. Manju, T. Kumar Pant, S. Ravindran, R. Sridharan |
| 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 (2009-06-24), S.2539-2544 |
| Datensatznummer |
250016566
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| Publikation (Nr.) |
 copernicus.org/angeo-27-2539-2009.pdf |
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| Zusammenfassung |
| The present paper investigates the response of the equatorial and low
latitude ionosphere over the Indian longitudes to the events on 29 October
2003 using ionosonde data at Trivandrum (8.5° N (0.5° N geomagnetic),
77° E) and SHAR (13.7° N (5.7° N geomagnetic), 80.2° E),
ground-based magnetometer data from Trivandrum and Total Electron Content
(TEC) derived from GPS data at the locations of Ahmedabad (23° N (15° N
geomagnetic), 72° E), Jodhpur (26.3° N (18.3° N geomagnetic),
73° E) and Delhi (28° N (20° N geomagnetic), 77° E). Following
the storm sudden commencement, the TEC at all the three stations showed an
overall enhancement in association with episodes of inter-planetary electric
field penetration. Interestingly, real ionospheric height profiles derived
using the ionosonde data at both Trivandrum and SHAR showed significant
short-term excursions and recoveries. In the post noon sector, these
features are more pronounced over SHAR, an off equatorial station, than
those over Trivandrum indicating the increased effects of neutral winds. |
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