Other
Scientific paper
Apr 1979
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979p%26ss...27..385k&link_type=abstract
Planetary and Space Science, vol. 27, Apr. 1979, p. 385-401.
Other
5
Atmospheric Models, Atmospheric Turbulence, Dynamic Models, Mesosphere, Thermosphere, Atmospheric Chemistry, Atmospheric Temperature, Temperature Distribution, Time Dependence
Scientific paper
A one-dimensional, time-dependent calculation which includes the dynamics of turbulence has been developed. The dynamical parameters together with the mass density and temperature structure measured during the ALADDIN I program are inputs to the calculations of the vertical distribution of concentrations of O, O2, O2(1 Delta g), OH, and Ar between 50 and 150 km. The results of the calculations are compared with measurements of these species distributions made during the ALADDIN I program and are also related to reported results at other times. Good to excellent agreement is found when the calculated profiles are compared with the measurements. This agreement supports the hypothesis that the turbulent parameters measured from chemical trail fluctuations are due to atmospheric turbulence and are appropriate for use in model calculations. Significant changes in species concentrations occur when the eddy diffusion coefficient is increased. In particular, an increase in molecular oxygen and a reduction in atomic oxygen and helium are noted.
Keneshea T. J.
Philbrick Russell C.
Zimmerman Samuel P.
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