Self-consistent modelling of the polar thermosphere and ionosphere to magnetospheric convection and precipitation (invited review)

Details Self-consistent modelling of the polar thermosphere and ionosphere to magnetospheric convection and precipitation (invited review) Self-consistent modelling of the polar thermosphere and ionosphere to magnetospheric convection and precipitation (invited review)

Jun 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986thdy.work..341r&link_type=abstract

In NASA. Goddard Space Flight Center Thermosphere Dynamics Workshop, Volume 2 p 341-360 (SEE N86-29301 20-42)

Mathematics

Atmospheric Composition, Convective Flow, Earth Ionosphere, Magnetic Poles, Thermosphere, Atmospheric Circulation, Electric Fields, Electron Density (Concentration), Electron Precipitation, Mathematical Models, Neutral Gases, Periodic Variations, Photoionization

Scientific paper

It has recently been demonstrated that the dramatic effects of plasma precipitation and convection on the composition and dynamics of the polar thermosphere and ionosphere include a number of strong interactive, or feedback, processes. To aid the evaluation of these feedback processes, a joint three dimensional time dependent global model of the Earth's thermosphere and ionosphere was developed in a collaboration between University College London and Sheffield University. This model includes self consistent coupling between the thermosphere and the ionosphere in the polar regions. Some of the major features in the polar ionosphere, which the initial simulations indicate are due to the strong coupling of ions and neutrals in the presence of strong electric fields and energetic electron precipitation are reviewed. The model is also able to simulate seasonal and Universal time variations in the polar thermosphere and ionospheric regions which are due to the variations of solar photoionization in specific geomagnetic regions such as the cusp and polar cap.

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