Computer Science – Sound
Scientific paper
Oct 1985
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985jgr....90.9688r&link_type=abstract
Journal of Geophysical Research (ISSN 0148-0227), vol. 90, Oct. 1, 1985, p. 9688-9696. Research supported by the U.S. Navy, and
Computer Science
Sound
18
Auroral Zones, Current Sheets, Field Aligned Currents, Ionospheric Conductivity, Energy Spectra, Ionospheric Electron Density, Latitude, Maxwell-Boltzmann Density Function, Particle Precipitation, Satellite Sounding
Scientific paper
Triad satellite measurements of field-aligned currents were combined with simultaneously obtained Chatanika measurements of height-integrated conductivity in order to characterize conductances in each of three field-aligned current regions. In region two of the evening sector, the conductance increases uniformly with latitude, with the total change across the current sheet very similar in all cases. In region one of the evening sector, auroral arcs are usually confined to the poleward portion of the current sheet. In region two of the morning sector, the Hall conductance is larger than the Pedersen conductance, and changes much more rapidly with latitude. The conductances are interpreted in terms of the number density and temperature of a Maxwellian source of electrons that would produce the same conductance values.
Potemra Thomas A.
Robinson Richard M.
Vondrak Richard R.
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