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Implications of the VEGA Balloon Results for Venus Atmospheric Dynamics

Blamont, J. E. and Young, R. E. and Seiff, A. and Ragent, B. and Sagdeev, R. and Linkin, V. M. and Kerzhanovich, V. V. and Ingersoll, A. P. and Crisp, D. and Elson, L. S. and Preston, R. A. and Golitsyn, G. S. and Ivanov, V. N. (1986) Implications of the VEGA Balloon Results for Venus Atmospheric Dynamics. Science, 231 (4744). pp. 1422-1425. ISSN 0036-8075. http://resolver.caltech.edu/CaltechAUTHORS:20130422-072711884

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Abstract

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.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1126/science.231.4744.1422DOIArticle
http://www.jstor.org/stable/1696348JSTORArticle
http://www.sciencemag.org/content/231/4744/1422.abstractPublisherArticle
ORCID:
AuthorORCID
Ingersoll, A. P.0000-0002-2035-9198
Additional Information:© 1986 American Association for the Advancement of Science. 23 October 1986, accepted 24 January 1986. Supported in part by NASA Ames Research Center and the Jet Propulsion Laboratory.
Funders:
Funding AgencyGrant Number
NASA Ames Research CenterUNSPECIFIED
JPLUNSPECIFIED
Record Number:CaltechAUTHORS:20130422-072711884
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20130422-072711884
Official Citation:Implications of the VEGA Balloon Results for Venus Atmospheric Dynamics J. E. Blamont, R. E. Young, A. Seiff, B. Ragent, R. Sagdeev, V. M. Linkin, V. V. Kerzhanovich, A. P. Ingersoll, D. Crisp, L. S. Elson, R. A. Preston, G. S. Golitsyn and V. N. Ivanov Science , New Series, Vol. 231, No. 4744 (Mar. 21, 1986), pp. 1422-1425 Published by: American Association for the Advancement of Science Article Stable URL: http://www.jstor.org/stable/1696348
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:38055
Collection:CaltechAUTHORS
Deposited By: Ruth Sustaita
Deposited On:23 Apr 2013 18:31
Last Modified:26 Oct 2017 18:34

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