Physics
Scientific paper
Aug 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982jatp...44..641v&link_type=abstract
Journal of Atmospheric and Terrestrial Physics, vol. 44, Aug. 1982, p. 641-647.
Physics
13
Atmospheric Diffusion, Continuity Equation, Equations Of Motion, Ionospheric Composition, Neutral Gases, Upper Atmosphere, Earth Atmosphere, Gas Transport, Nitrogen, Oxygen, Solar Flux, Time Dependence, Turbulent Diffusion, Vertical Distribution
Scientific paper
The solution of time-dependent continuity and motion equations for the main neutral constituents O, O2 and N2 has been obtained and compared with different approximations. Numerical calculations have been carried out for different solar fluxes and eddy diffusion coefficients in the altitude range 80-300 km. The O and O2 height profiles obtained differ considerably from profiles calculated using the approximation of minor constituent diffusion and the approaches developed by Friedman (1967) and Colegrove et al. (1965). This discrepancy increases with an increase of eddy diffusion and solar flux. The ratio O/O2 calculated in this work may differ from that deduced from these approximate approaches by about 50%.
Davydov V. E.
Vlasov Michael N.
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