Other
Scientific paper
Oct 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984icar...60..138y&link_type=abstract
Icarus (ISSN 0019-1035), vol. 60, Oct. 1984, p. 138-151. NASA-supported research.
Other
16
Astronomical Spectroscopy, Molecular Spectra, Venera 11 Satellite, Venus Atmosphere, Absorption Spectra, Atmospheric Models, Carbon Dioxide, Spectral Bands, Water Vapor, Venus, Venera 11, Spectra, Observations, Models, Carbon Dioxide, Water, Absorption, Scattering, Clouds, Layers, Chemistry
Scientific paper
Band models for CO2 and H2O absorption are described, and used to model the Venera 11 spectra near 1 μm. An effective-path approximation is used to allow for scattering in the clouds. The model has 10 layers and uses 211 CO2 and 15 H2O vibrational transitions, at 5 cm-1 resolution. Within a factor of 2, a maximum absorption in the 0.94-μm H2O band just below the clouds, corresponding to 200 ppm by volume, in agreement with V. I. Moroz et al. (1979) is found. More accurate band strengths are needed to model the bottom scale height accurately. The possibility that the 0.94-μm feature is blended with a band of some other molecule has been examined. Ten possible chemical species were examined, with negative results.
Young D. G. L.
Young Thomas A.
Zasova Liudmila V.
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