An approximate method for solving the radiation transfer problem in the 4.3-micron CO2 band in an optically thick atmosphere with a breakdown of rotational LTE

Details An approximate method for solving the radiation transfer problem in the 4.3-micron CO2 band in an optically thick atmosphere with a breakdown of rotational LTE An approximate method for solving the radiation transfer problem in the 4.3-micron CO2 band in an optically thick atmosphere with a breakdown of rotational LTE

Jun 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989azh....66..511o&link_type=abstract

Astronomicheskii Zhurnal (ISSN 0004-6299), vol. 66, May-June 1989, p. 511-519. In Russian.

Astronomy and Astrophysics

Astronomy

Carbon Dioxide, Infrared Absorption, Mars Atmosphere, Optical Thickness, Radiative Transfer, Venus Atmosphere, Integral Equations, Iterative Solution, Luminous Intensity, Molecular Rotation, Molecular Spectra, Upper Atmosphere

Scientific paper

A set of approximate integral equations of radiative transfer in the lines of a molecular band is obtained. The equations are based on the assumption that, for a certain fraction of the CO2 molecules in the 00(0)1 state, there are no transitions between rotational sublevels. For the rest of the molecules, the rates of these transitions are high and the rotational LTE on the 00(0)1 level is valid. An iterative procedure for the solution of the set of equations is proposed. It is found that the method can be used to model the radiation of the upper layers of the Venus and Mars atmospheres in the 4.3 micron band with a resolved rotational structure using a medium-power computer.

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