The role of viscous interaction in the formation of currents in the polar ionosphere

Details The role of viscous interaction in the formation of currents in the polar ionosphere The role of viscous interaction in the formation of currents in the polar ionosphere

Aug 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981ge%26ae..21..643p&link_type=abstract

Geomagnetizm i Aeronomiia, vol. 21, July-Aug. 1981, p. 643-646. In Russian.

Physics

1

Earth Magnetosphere, Electric Fields, Ionospheric Currents, Polar Regions, Viscous Flow, Atmospheric Models, Convective Flow, Magnetohydrodynamic Flow, Ohmic Dissipation, Plasma Layers

Scientific paper

A model is developed for the generation of currents and electric fields in the magnetospheric region adjacent to the polar cap. The earth's rotation is found to lead to the rotation of the lower part of plasma columns resting on the polar cap. Currents are generated which flow radially to the axis of rotation and escape along the geomagnetic field lines. The rotation of the atmosphere in the surrounding plasma leads to the convection of the upper plasma layers. In addition, Ohmic losses of the generated currents can play a significant role in the thermodynamics of the entire atmosphere.

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