Effect of high-latitude sources on the formation of equatorial electrojets

Details Effect of high-latitude sources on the formation of equatorial electrojets Effect of high-latitude sources on the formation of equatorial electrojets

Oct 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987ge%26ae..27..840d&link_type=abstract

Geomagnetizm i Aeronomiia (ISSN 0016-7940), vol. 27, Sept.-Oct. 1987, p. 840-842. In Russian.

Physics

1

Boundary Value Problems, Earth Magnetosphere, Equatorial Electrojet, Ionospheric Currents, Magnetic Equator, Polar Regions, Atmospheric Models, Electrostatic Charge, Field Aligned Currents, Two Dimensional Models

Scientific paper

High-latitude field-aligned currents carrying charge from the magnetosphere are closed in the ionosphere; ionospheric currents flow toward lower latitudes and are concentrated near the magnetic equator. In the present paper, the magnitude of this effect is determined on the basis of a two-dimensional model of the ionosphere. The elliptic boundary value problem for electrostatic potential is solved numerically, and the equivalent current system is constructed. It is shown that high-latitude sources generate significant electric fields and currents near the equator.

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