Structure and meteorology of the middle atmosphere of Venus Infrared remote sensing from the Pioneer orbiter

Details Structure and meteorology of the middle atmosphere of Venus Infrared remote sensing from the Pioneer orbiter Structure and meteorology of the middle atmosphere of Venus Infrared remote sensing from the Pioneer orbiter

Dec 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980jgr....85.7963t&link_type=abstract

Journal of Geophysical Research, vol. 85, Dec. 30, 1980, p. 7963-8006. Research supported by the Science Research Council of En

Computer Science

Sound

55

Venus, Structure, Meteorology, Atmosphere, Infrared, Pvo Mission, Maps, Spacecraft Observations, Oir Instrument, Temperature, Albedo, Water Vapor, Clouds, Opacity, Diurnal Variations, Amplitude, Altitude, Stratosphere, Circulation, Equipment, Diagrams, Radiance, Brightness Temperature, Waves, Mapping, Solar Effects, Haze, Radiation, Thermosphere, Distribution, Models, Calculations

Scientific paper

The results of the Pioneer Venus orbiter radiometric temperature-sounding experiment are presented with examples of each of the primary data products. The measured temperature field is used to model the dynamics of the middle atmosphere from 60 to 140 km, and the thermal and solar fluxes are used to calculate the planetary radiation budget. The data for the diurnal variation of temperature at a given height show fairly small amplitudes up to an altitude of about 95 km, above which the day to night contrast increases rapidly with height. At the equator the dependence of temperature in the stratosphere on solar longitude is dominated by a wave number 2 solar tide with an amplitude of about 10 K. The equator to pole gradients are larger than expected, and the stratosphere is typically 15 to 20 K warmer at the pole than at the equator. The most significant discovery concerning the cloud morphology is a dipole structure consisting of two clearings in the cloud at locations straddling the pole and rotating around it every 2.7 days.

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