Medium and large-scale variations of dynamo-induced electric fields from AE ion drift measurements

Details Medium and large-scale variations of dynamo-induced electric fields from AE ion drift measurements Medium and large-scale variations of dynamo-induced electric fields from AE ion drift measurements

Jun 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986thdy.work...29c&link_type=abstract

In NASA. Goddard Space Flight Center Thermosphere Dynamics Workshop, Volume 2 p 29-50 (SEE N86-29301 20-42)

Physics

Atmospheric Circulation, Atmospheric Models, Electric Fields, Ionospheric Drift, Periodic Variations, Dynamo Theory, Electrodynamics, Explorer 55 Satellite, F Region, Flow Velocity, Incoherent Scatter Radar, Latitude, Night Sky, Vertical Orientation

Scientific paper

Current models of the low latitude electric field are largely based on data from incoherent scatter radars. These observations are extended through the addition of the rather extensive high quality electric field measurements from the Ion Drift Meter (IDM) aboard the Atmosphere Explorer (AE) spacecraft. Some preliminary results obtained from the Unified Abstract files of satellite AE-E are presented. This satellite was active from the end of 1975 through June 1981 in various elliptical and circular orbits having an inclination near 20 deg. The resulting data can be examined for the variation of ion drift with latitude, longitude, season, solar cycle, altitude, and magnetic activity. The results presented deal primarily with latitudinal variations of the drift features. Diagrams of data are given and briefly interpreted. The preliminary results presented here indicate that IDM data from the AE and the more recent Dynamics Explorer B spacecraft should continue to disclose some interesting and previously unobserved dynamical features of the low latitude F region.

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