Mathematics – Logic
Scientific paper
Nov 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981jgr....8610029c&link_type=abstract
Journal of Geophysical Research, vol. 86, Nov. 1, 1981, p. 10029-10037.
Mathematics
Logic
64
Atmospheric Electricity, Auroral Zones, Electric Potential, Electrostatics, Atmospheric Models, Earth Ionosphere, Earth Magnetosphere, Magnetosphere-Ionosphere Coupling, Mapping, Topology
Scientific paper
The mapping of magnetospheric and ionospheric electric fields in the Chiu and Cornwall (1980) kinetic model of magnetospheric-ionospheric electrodynamic coupling is examined. The model, which includes the generalization of the kinetic current potential relationship to the return current region, permits the presentation of a coherent phenomenological account of both the low-energy return current and the high-energy precipitation of an inverted V. The mapping between magnetospheric and ionospheric electric fields is phrased in terms of a Green's function that acts as a filter, emphasizing magnetospheric latitudinal spatial scales on the order of 50-150 km. This length is identified as roughly the overall size of the inverted V region, and, when multiplied by the perpendicular electric field just above the ionosphere, is found to yield the magnitude of the potential drop between the ionosphere and equatorial magnetosphere.
Chiu Yam T.
Cornwall John M.
Newman Alice L.
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