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Dynamics of Jupiter’s Atmosphere

Ingersoll, A. P. and Vasavada, A. R. (1998) Dynamics of Jupiter’s Atmosphere. In: Highlights of Astronomy. International Astronomical Union Symposium (IAUS). No.11B. Springer , Dordrecht, pp. 1042-1049. ISBN 978-0-7923-5556-4. https://resolver.caltech.edu/CaltechAUTHORS:20190605-153223409

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Abstract

Results from the Galileo probe and orbiter are compared with Voyager and ground-based results. The probe made measurements to the 20-bar level, well below the nominal cloud base at 5 bars and well below the level where sunlight is absorbed. The winds increased with depth within the clouds and then remained constant below cloud base. This rules out most “thin weather layer” models of Jovian meteorology. Water, H_2S, and NH_3 were depleted relative to “solar” abundances at the nominal cloud base but increased with depth below 10 bars. Apparently the probe entered a dry downdraft that penetrated to 20 bars. Consistent with this result, the orbiter found water varying by factors of 100 from place to place, with the lowest values at the sites that resemble the one where the probe went in. The orbiter also revealed that these sites are regions of horizontal convergence of the cloud top winds, which is consistent with the downdraft hypothesis.


Item Type:Book Section
Related URLs:
URLURL TypeDescription
https://doi.org/10.1007/978-94-011-4778-1_134DOIArticle
ORCID:
AuthorORCID
Ingersoll, A. P.0000-0002-2035-9198
Vasavada, A. R.0000-0003-2665-286X
Additional Information:© 1998 Springer Science+Business Media Dordrecht. It is impossible to mention all the people who contributed their talent and energy to the success of the Galileo project. Their achievement is gratefully acknowledged.
Subject Keywords:Giant Planet; High Cloud; Cloud Base; Color Plate; Thin Cloud
Series Name:International Astronomical Union Symposium (IAUS)
Issue or Number:11B
Record Number:CaltechAUTHORS:20190605-153223409
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20190605-153223409
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:96170
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:06 Jun 2019 03:10
Last Modified:03 Oct 2019 21:19

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