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Constraining the depth of Saturn's zonal winds by measuring thermal and gravitational signals

Abstract:

Based on straightforward dynamical considerations, we show how available and upcoming measurements of Saturn's thermal and gravitational signals can be used to constrain the depth to which its zonal winds penetrate. The dynamical considerations issue from the facts that Saturn has a strong intrinsic heat flux, rotates rapidly, and has negligible atmospheric viscosity. As a result, convective motions align with surfaces of constant specific angular momentum, which are, away from the equator, a...

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Publication status:
Published

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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Atmos Ocean & Planet Physics
Role:
Author
Publisher:
Academic Press Inc.
Journal:
ICARUS More from this journal
Volume:
239
Pages:
260-272
Publication date:
2014-09-01
DOI:
EISSN:
1090-2643
ISSN:
0019-1035
Language:
English
Keywords:
Pubs id:
pubs:476969
UUID:
uuid:c895fc19-bcd2-46f9-a9ff-9da3d6a62b4b
Local pid:
pubs:476969
Source identifiers:
476969
Deposit date:
2014-09-22

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