High-resolution Martian atmosphere modeling

Details High-resolution Martian atmosphere modeling High-resolution Martian atmosphere modeling

Jan 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980icar...41..166e&link_type=abstract

Icarus, vol. 41, Jan. 1980, p. 166-174.

Computer Science

Aerosols, Atmospheric Models, Mars Atmosphere, Carbon Dioxide, High Resolution, Particle Size Distribution, Vertical Distribution, Viking Lander Spacecraft, Water, Mars, Atmosphere, Models, Aerosols, Scattering, Absorption, Carbon Dioxide, Water, Infrared, Particle Size, Distribution, Procedure, Data, Viking Lander 1, Index Of Refraction, Basalts, Montmorillonite, Altitude, Reflectivity, Dust, Temperatures, Spectroscopy, Wavelengths, Comparisons

Scientific paper

A multilayer radiative transfer, high-spectral-resolution infrared model of the lower atmosphere of Mars has been constructed to assess the effect of scattering on line profiles. The model takes into accout aerosol scattering and absorption and includes a line-by-line treatment of scattering and absorption by CO2 and H2O. The aerosol complex indices of refraction used were those measured on montmorillonite and basalt chosen on the basis of Mars ir data from the NASA Lear Airborne Observatory. The particle sizes and distribution were estimated using Viking data. The molecular line treatment employs the AFGL line parameters and Voigt profiles. The modeling results indicate that the line profiles are only slightly affected by normal aerosol scattering and absorption, but the effect could be appreciable for heavy loading. The technique described permits a quantitative approach to assessing and correcting for the effect of aerosols on lineshapes in planetary atmospheres.

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