A seasonal radiative-dynamic model of Saturn's troposphere

Details A seasonal radiative-dynamic model of Saturn's troposphere A seasonal radiative-dynamic model of Saturn's troposphere

Jul 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992icar...98...94b&link_type=abstract

Icarus (ISSN 0019-1035), vol. 98, no. 1, July 1992, p. 94-107. Research supported by NASA.

Computer Science

19

Annual Variations, Atmospheric Heating, Atmospheric Models, Dynamic Models, Planetary Meteorology, Saturn Atmosphere, Troposphere, Atmospheric Temperature, Insolation, Jet Streams (Meteorology), Saturn Rings, Stratosphere, Zonal Flow (Meteorology)

Scientific paper

The present steady-state, linearized and zonally-averaged model of the thermal response of Saturn's atmosphere to seasonal insolation is compared with extant data in order to extract diagnostic information on the planet's troposphere and stratosphere. The planet's rings are shown to constitute a strong modulator of the seasonal insolation function. A detailed comparison of the model with existing temperature measurements shows that the large thermal inertia of Saturn and uncertainties in the wind and thermal measurements overwhelm the rings' thermal effects. A meridional asymmetry in heating is noted which is consistent with an enhancement of aerosols and of photochemically generated ethane and acetylene in the southern hemisphere's summer.

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