Computer Science – Sound
Scientific paper
Jun 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983p%26ss...31..597r&link_type=abstract
Planetary and Space Science (ISSN 0032-0633), vol. 31, June 1983, p. 597-614. NSF-supported research.
Computer Science
Sound
53
Atmospheric Heating, Atmospheric Temperature, Satellite Sounding, Solar Flux, Thermosphere, Ultraviolet Absorption, Absorption Cross Sections, Atmospheric Models, Explorer Satellites, Nitric Oxide, Radiant Cooling, Schumann-Runge Bands, Solar Heating, Temperature Profiles
Scientific paper
It is pointed out that the global mean temperature structure of the thermosphere above 120 km is primarily maintained by the absorption of solar extreme ultraviolet (EUV) flux at wavelengths less than 1025 A and solar ultraviolet (UV) flux. A number of previous calculations of the global mean temperature profile have determined that it is not possible to obtain agreement between the calculated global mean exospheric temperature and observed values. Since those studies, a considerable amount of new information on this problem has been obtained, including data obtained with the aid of the Atmospheric Explorer satellites. The present investigation is, therefore, concerned with a reexamination of the question whether there is enough solar UV radiation and auroral energy input to maintain the observed global mean temperature structure of the thermosphere above 120 km. It is found that for solar cycle minimum conditions there is an approximate balance between absorbed solar radiation and downward molecular thermal conduction.
Emergy B. A.
Roble Raymond G.
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