Physics
Scientific paper
Dec 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992jgr....9719461h&link_type=abstract
Journal of Geophysical Research (ISSN 0148-0227), vol. 97, no. A12, p. 19,461-19,469.
Physics
36
Ionospheric Drift, Ionospheric Ion Density, Midlatitude Atmosphere, Plasma Drift, Satellite Observation, Solar Activity Effects, Auroral Zones, Dynamics Explorer 2 Satellite, E Region, F Region, Radar Data
Scientific paper
The effects of the dynamo electric fields and the penetration of high-latitude electric fields on zonal ion drifts were investigated by examining east-west ion drifts at mid-latitudes observed during magnetically quiet and disturbed periods by the polar orbiting DE-2 spacecraft. The influences of the electric field sources can be summarized as follows: (1) semidiurnal and terdiurnal tides are most important during quiet times between 25 deg and 55 deg magnetic local time, (2) the influence of the disturbance dynamo and magnetospheric penetration field are seen on average down to 45 deg during quiet times and down to 35 deg during disturbed times, and (3) direct influence of the auroral zone electric field is important on average down to 60 deg during quiet times and down to 50 deg during disturbed times.
Coley William R.
Heelis Roderick A.
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