A comparison of model predictions for plasma convection in the northern and southern polar regions

Details A comparison of model predictions for plasma convection in the northern and southern polar regions A comparison of model predictions for plasma convection in the northern and southern polar regions

Apr 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980jgr....85.1762s&link_type=abstract

Journal of Geophysical Research, vol. 85, Apr. 1, 1980, p. 1762-1768.

Physics

1

Antarctic Regions, Arctic Regions, Atmospheric Models, Convection, Earth Magnetosphere, Magnetohydrodynamic Flow, Plasma Dynamics, Flow Distribution, Flow Measurement, Geomagnetism, Mathematical Models, Spatial Distribution

Scientific paper

Model calculations are presented to show how the plasma flow distributions in the northern and southern polar regions differ when viewed from a geographic inertial frame. The comparison of corresponding northern and southern hemisphere convection patterns is made in a geographic inertial frame because it is a natural frame for geophysical plasma flow measurements, there being well known velocity corrections for either satellite or ground-based observations. Also discussed is the form of the plasma flow patterns in a magnetic quasi-inertial frame, which is defined such that the z axis is parallel to the dipole axis and the sun lies in the x-z plane. The transformation of the plasma flow pattern between the geographic inertial frame and the magnetic quasi-inertial frame involves both a spatial and velocity transformation.

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