Physics
Scientific paper
Jan 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983jgr....88..271r&link_type=abstract
Journal of Geophysical Research, vol. 88, Jan. 1, 1983, p. 271-281.
Physics
20
Computerized Simulation, Current Sheets, Electric Fields, Field Aligned Currents, Interplanetary Magnetic Fields, Ionospheric Currents, Magnetic Field Configurations, Equipotentials, Hall Effect, Particle Precipitation, Satellite Observation
Scientific paper
The field-aligned currents in the region of the dayside cusp are modeled in two ways. First, the cusp currents are given as distinct currents poleward of the auroral oval field-aligned currents, and their location and current direction are determined by the B sub y component of the interplanetary magnetic field. Then the field aligned currents of the cusp are given as an extension of the morning (or evening) region 1 current across the noon meridian and into the polar region for a B sub y component less than 0 (or greater than 0). The calculated convection electric fields do not exhibit a drawing together of electric field potential near noon to form a 'throat' of rapid convection. It is thought that variations of the model might yield a throatlike convection pattern on one side of noon but not both sides.
Kamide Yohsuke
Rich Frederic J.
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