The perturbed neutral circulation in the vicinity of a symmetric stable auroral arc

Details The perturbed neutral circulation in the vicinity of a symmetric stable auroral arc The perturbed neutral circulation in the vicinity of a symmetric stable auroral arc

Dec 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985jgr....9012235w&link_type=abstract

Journal of Geophysical Research (ISSN 0148-0227), vol. 90, Dec. 1, 1985, p. 12,235-12,248. Research supported by the Aerospace C

Physics

52

Auroral Arcs, Auroral Zones, E Region, Electron Precipitation, Ionospheric Heating, Ionospheric Ion Density, Continuity Equation, Coriolis Effect, Electron Energy, Mathematical Models, Specific Heat, Time Dependence, Wind Direction

Scientific paper

In the present investigation, a sophisticated high-resolution time-dependent numerical model is used to study the neutral response to changes in the E region electrodynamical forcing and particle heating associated with the appearance of a stable auroral arc. The initial condition is a nighttime ionosphere in the presence of a background precipitation of electrons associated with diffuse auroras. A simulation study is conducted of the perturbation in the neutral circulation. The simulations were performed on the basis of a model which describes nonlinear, nonhydrostatic viscous flow on a rotating atmosphere.

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