Astronomy and Astrophysics – Astronomy
Scientific paper
Jun 1979
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979icar...38..349c&link_type=abstract
Icarus, vol. 38, June 1979, p. 349-357.
Astronomy and Astrophysics
Astronomy
10
Annual Variations, Atmospheric Models, Climatology, Saturn Atmosphere, Stratosphere, Atmospheric Temperature, Brightness Temperature, Equinoxes, Infrared Astronomy, Southern Hemisphere, Saturn, Models, Observations, Temperatures, Seasons, Atmosphere, Annual Variations, Climate, Review, Emissions, Thermal Properties, Stratosphere, Wavelengths
Scientific paper
Motivated by recent observational evidence that seasonal processes occur within Saturn's stratosphere, a seasonal stratospheric climate model has been constructed. This model predicts stratospheric temperatures above the P = 0.1-atm level as a function of time throughout the Saturnian year. Specific results are presented for south-polar and equatorial temperatures. The model predicts that substantial seasonal phase lags exist; maximum stratospheric temperatures at the south pole occur at the southern hemisphere's autumnal equinox. Brightness temperature observations at 17.8 microns, taken during 1977/1978, indicate that stratospheric temperatures are greater at the south pole than at the equator. The model is consistent with these observations, predicting enhanced south polar temperatures, relative to the equator, from 1975 to 1983.
Caldwell J. Jr. J.
Cess Robert D.
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