Physics
Scientific paper
Aug 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987jgr....92.8745r&link_type=abstract
Journal of Geophysical Research (ISSN 0148-0227), vol. 92, Aug. 1, 1987, p. 8745-8758. USAF-supported research.
Physics
153
Aeronomy, Atmospheric Models, Earth Ionosphere, Solar Terrestrial Interactions, Thermosphere, Atmospheric Temperature, Gas Cooling, Gas Heating, Neutral Gases, Photodissociation, Photoionization
Scientific paper
A self-consistent model of the global mean structure of the thermosphere is used to examine the ionospheric and thermospheric processes that control the structure of the thermosphere for solar minimum and maximum conditions during geomagnetic quiet periods. The model includes the physical and chemical processes believed to be dominant in the thermosphere and ionosphere. The total solar energy input available in the extreme ultraviolet and in the Schumann-Runge continuum portion of the solar spectrum is 14.1 x 10 to the 11th W and 21.5 x 10 to the 11th W for solar minumum and maximum, respectively. The calculated exospheric temperature is too small if maintained only by radiative processes, and an auroral heat source is necessary to bring the calculated global mean structure into agreement with the MSIS-83 empirical model for both solar minimum and maximum conditions. These results support the consensus that there is high-latitude heat source present at all times.
Dickinson Robert E.
Ridley E. C.
Roble Raymond G.
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