Physics
Scientific paper
Nov 1979
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979jgr....84.6559c&link_type=abstract
Journal of Geophysical Research, vol. 84, Nov. 1, 1979, p. 6559-6563.
Physics
8
Atmospheric Electricity, Earth Magnetosphere, Electric Fields, Geoelectricity, Magnetic Storms, Whistlers, Atmospheric Models, Auroral Electrojets, Exosphere, Very Low Frequencies
Scientific paper
A model of substorm associated east-west electric fields with periods of at least 30 min in the outer plasmasphere as a function of local time near L = 4 is presented. The model is based on data on cross-L drifts of whistler paths on 34 observing days, and 30 min average electric fields were obtained for quiet and substorm periods. The substorm model includes a reversal from eastward to westward fields and less efficient penetration of substorm electric fields near L = 4 near local noon than near dawn or dusk. The temporally isolated and prolonged inward drift events in the postmidnight sector, the whistler evidence of large values of the radial component of E in the dusk sector, and the importance of the component of E induced by fluctuating plasma currents are discussed.
Carpenter Donald L.
Miller Travis R.
Park Chan-Gyung
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