Other
Scientific paper
Dec 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988jgr....9314493b&link_type=abstract
Journal of Geophysical Research (ISSN 0148-0227), vol. 93, Dec. 1, 1988, p. 14493-14499. Research supported by the Swedish Board
Other
11
Auroral Zones, Earth Ionosphere, Electrodynamics, Field Aligned Currents, Ionospheric Conductivity, Ionospheric Currents, Magnetosphere-Ionosphere Coupling, Mathematical Models
Scientific paper
This paper investigates the effect of conductivities associated with the upward field-aligned currents on the high-latitude ionospheric convection patterns. Potential patterns were calculated from a given distribution of field-aligned currents, using a realistic conductivity model which includes a current-conductivity coupling term. It was found that, when the conductivity enhancement coincides with the regions of upward field-aligned current, the clockwise rotation of the entire potential pattern is reduced. The electric field within these regions of the upward current was found to be rather insensitive to changes in the magnitude of the current. On the other hand, in regions of the downward current, there is an almost linear relationship between the current and the electric field.
Blomberg Lars G.
Marklund Göran T.
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