Other
Scientific paper
Dec 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005agufmsa21a0267f&link_type=abstract
American Geophysical Union, Fall Meeting 2005, abstract #SA21A-0267
Other
2400 Ionosphere (6929), 2411 Electric Fields (2712), 3369 Thermospheric Dynamics (0358), 7954 Magnetic Storms (2788)
Scientific paper
The low-latitude and equatorial ionosphere dynamics is mostly controlled by electric fields. During disturbed periods, magnetospheric electric fields can penetrate into the low-latitude and equatorial ionosphere as a consequence of rapid changes in magnetospheric convection. On the other hand, the dynamo action of thermospheric winds driven by storm heating at high latitudes modifies the electric field characteristic of quiet periods at those latitudes. In this work, ionosonde, magnetometer and satellite observations, as well as the global, three-dimensional, time-dependent, non-linear coupled model of the thermosphere, ionosphere, plasmasphere and electrodynamics (CTIPe) are used to analyse both prompt penetration and disturbance dynamo electric field effects on low-latitude ionosphere during periods of intense magnetic activity.
Anderson Daniel
Anghel Adela
Araujo-Pradere Eduardo A.
Codrescu Mihail
Fedrizzi Michele
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