Penetrating of high-latitude-electric-field effects to low latitudes during SUNDIAL 1984

Details Penetrating of high-latitude-electric-field effects to low latitudes during SUNDIAL 1984 Penetrating of high-latitude-electric-field effects to low latitudes during SUNDIAL 1984

Feb 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988angeo...6...39s&link_type=abstract

Annales Geophysicae (ISSN 0980-8752), vol. 6, Feb. 1988, p. 39-49.

Physics

217

Electric Fields, F Region, Ionospheric Drift, Ionospheric Electron Density, Magnetic Anomalies, Space Plasmas, Atmospheric Circulation, Magnetic Storms, Magnetopause, Polar Caps, Tropical Regions

Scientific paper

Electric-field-penetration events have been identified using F-region vertical-drift measurements obtained in the October 6-13, 1984 period by the Jicamarcan incoherent-backscatter radar and corresponding h-prime F measurements from ionosondes at Fortaleza, Cachoeira Paulista, and Dakar. Predictions made using the Rice Convection Model for the pattern, strength, and duration of the low-latitude electric field occurring in response to an increasing high-latitude convection agree with observations. The observed 1-2 h duration of the low-latitude response to decreased convection can be explained by the fossil-wind theory of Richmond (1983).

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