Physics
Scientific paper
Nov 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988jgr....9312893c&link_type=abstract
Journal of Geophysical Research (ISSN 0148-0227), vol. 93, Nov. 1, 1988, p. 12893-12900.
Physics
7
Computerized Simulation, Electron Density Profiles, Polar Regions, Rotating Plasmas, Thermosphere, Conductive Heat Transfer, Gravity Waves, Lorentz Force, Steady State
Scientific paper
The response of the high-latitude thermosphere to temporal variations in the forcing due to the plasma convection pattern is investigated using a normal modes model that includes realistic temperature and electron density profiles as well as the effects of viscosity, heat conduction, and Lorentz forcing. The calculations show that the rotational wind component is only slightly modified when the plasma rotation is varied, while the divergent wind component responds more strongly to variations of the rotation rate, with the effect being greatest in the E region. A variation of the rotation rate then results in a greater magnitude and phase variation with the height of the divergent wind component in the E region, indicating that vertically propagating gravity waves are of importance in that height range.
Clark Michael A.
Larsen Mark F.
Mikkelsen Ib Steen
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