Physics
Scientific paper
Sep 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990jgr....9516497m&link_type=abstract
Journal of Geophysical Research (ISSN 0148-0227), vol. 95, Sept. 20, 1990, p. 16497-16511, 16513-16521.
Physics
24
Emission Spectra, Infrared Spectroscopy, Middle Atmosphere, Ozone, Thermodynamic Equilibrium, Energy Levels, Periodic Variations, Photolysis, Radiative Transfer, Remote Sensing, Solar Radiation
Scientific paper
The departure from LTE in the vibration-rotation bands of ozone in the middle atmosphere is analyzed using two statistical equilibrium models: the energy gap model and the simplified single model. The diurnal variations in the fundamental band source functions nu(1) and nu(3) is determined by the diurnal change in the rate of ozone photolysis by the solar radiation. Source functions are presented for the vibration-rotation bands of ozone that emit in the 9-11-micron spectral interval, over an altitude range of 1-110 km. Results are also reported of the evaluation of the radiative transfer equation incorporating these source functions and energy level populations. Using the results of the two statistical equilibrium models, calculations are carried out of the spectrally integrated limb radiance for the limb viewing geometry for daytime conditions. Results indicate that the interpretation of the measurements of spectrally integrated limb radiance from ozone will be greatly complicated by the breakdown of LTE in the vibration-rotational bands of ozone.
Drayson Roland S.
Mlynczak Martin G.
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