Physics
Scientific paper
Apr 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989jgr....94.3687r&link_type=abstract
Journal of Geophysical Research (ISSN 0148-0227), vol. 94, April 1, 1989, p. 3687-3701.
Physics
51
Analytic Functions, Atmospheric Electricity, Convection, Electric Fields, Interplanetary Magnetic Fields, Polar Regions, Algorithms, Atmospheric Models, Electric Potential, Field Aligned Currents, Ionospheric Conductivity
Scientific paper
Analytical functions were developed to represent the convection field of Heppner and Maynard (1987). When compared to observations, the analytical representations of the Heppner-Maynard electric potential patterns for southward IMF were found to yield reasonable configurations and values for Joule heating and field-aligned currents. It is shown that, for southward IMF, the values and configurations for Joule heating and field-aligned currents show the amount of detail in the cusp and the Harang region superior to those obtained with the Heelis et al. (1982) model. However, for northward IMF, the functional representations of the Heppner-Maynard do not reproduce the field-aligned currents in the polar cap.
Maynard Nelson C.
Rich Frederic J.
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