Jupiter's atmospheric composition and cloud structure deduced from absorption bands in reflected sunlight

Details Jupiter's atmospheric composition and cloud structure deduced from absorption bands in reflected sunlight Jupiter's atmospheric composition and cloud structure deduced from absorption bands in reflected sunlight

Jul 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979jats...36.1133s&link_type=abstract

Journal of the Atmospheric Sciences, vol. 36, July 1979, p. 1133-1167.

Physics

22

Absorption Spectra, Atmospheric Composition, Atmospheric Models, Chemical Composition, Cloud Physics, Jupiter Atmosphere, Abundance, Aerosols, Atmospheric Pressure, Atmospheric Temperature, H Lines, Methane, Optical Thickness, Particle Size Distribution, Temperature Profiles, Vertical Distribution, Jupiter, Atmosphere, Composition, Methane, Ammonia, Nitrogen, Models, Cloud Layers, Aerosols, Pressure, Ultraviolet, Absorption, Scattering, Albedo, Optical Properties, Parameters, Dynamics, Abundance, Clouds, Ra

Scientific paper

The spectrum of sunlight reflected by Jupiter is analyzed by comparing observations of Woodman (1979) with multiple-scattering computations. The analysis yields information on the vertical cloud structure at several latitudes and on the abundance of CH4 and NH3 in the atmosphere of Jupiter. The abundances of CH4 and NH3 suggest that all ices and rocks are overabundant on Jupiter by a factor of 2 or more, providing an important constraint on models for the formation of Jupiter from the primitive solar nebula. The pressure level of the clouds, the gaseous NH3 abundance, the mean temperature profile, and the Clausius-Clapeyron relation suggest that these clouds are predominantly ammonia crystals with the cloud bottom at 600-700 mb. A diffuse distribution of aerosols exists between 150 and 500 mb, and the spectral variation of albedo reflects a changing bulk absorption coefficient of the material composing the aerosols and is diagnostic of the aerosol composition.

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