Water vapor and sulfur dioxide in the Venus' atmosphere from the Venera-15 data.
Abstract
About 1500 spectra of Venus' thermal radiation in the spectral range from 250 to 1600 cm-1 were obtained in the infrared experiment on board Venera-15 orbiter. A lot of details are seen in these spectra: absorption bands of CO2, H2O and SO2, and wide features of aerosol H2SO4. The equivalent width and shape of spectral details depend not only on the gas abundances but also on the temperature and aerosol structure of the atmosphere at the given site. First results of spectra analysis inside H2O and SO2 features was identified and the mixing ratios of these gases were determined for the middle latitudes. These results were obtained by comparison of synthetic spectra with measured for SO2 and by method of the curves of growth for water vapor. The main goal of the present work is to continue these investigations and to obtain the gas abundances for various latitudes and local times.
- Publication:
-
Middle Atmosphere of Venus
- Pub Date:
- 1990
- Bibcode:
- 1990mav..book..205M
- Keywords:
-
- Absorption Spectra;
- Atmospheric Composition;
- Sulfur Dioxides;
- Venera Satellites;
- Venus Atmosphere;
- Water Vapor;
- Carbon Dioxide;
- Sulfuric Acid;
- Temperature Profiles;
- Thermal Radiation;
- Lunar and Planetary Exploration;
- Venus Atmosphere: Aerosols;
- Venus Atmosphere: Water Vapor;
- Venus Atmosphere: Sulfur Dioxide;
- Venus Atmosphere: Thermal Radiation;
- Venus Atmosphere: Infrared Radiation