Computer Science – Sound
Scientific paper
Mar 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986sci...231.1422b&link_type=abstract
Science (ISSN 0036-8075), vol. 231, March 21, 1986, p. 1422-1425. NASA-supported research.
Computer Science
Sound
26
Atmospheric Circulation, Atmospheric Temperature, Balloon Sounding, Vega Project, Venus Atmosphere, Free Convection, Venus Clouds, Vertical Distribution, Venus, Vega 1, Vega 2, Probes, Experiments, Atmosphere, Meteorology, Dynamics, Wind, Velocity, Comparisons, Thermal Properties, Temperature, Fluctuations, Doppler Methods, Topography, Surface, Motion
Scientific paper
Both VEGA balloons encountered vertical winds with typical velocities of 1 to 2 meters per second. These values are consistent with those estimated from mixing length theory of thermal convection. However, small-scale temperature fluctuations for each balloon were sometimes larger than predicted. The approximate 6.5-kelvin difference in temperature consistently seen between VEGA-1 and VEGA-2 is probably due to synoptic or planetary-scale nonaxisymmetric disturbances that propagate westward with respect to the planet. There is also evidence from Doppler data for the existence of solar-fixed nonaxisymmetric motions that may be thermal tides. Surface topography may influence atmospheric motions experienced by the VEGA-2 balloon.
Blamont E. J. E. J.
Crisp Dave
Elson Lee Stephen
Golitsyn George S.
Ingersoll P. A. P. A.
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