About Superrotation in Venus

In this work we study in a general view slow rotating planets as Venus or Titan which present superrotating winds in their atmospheres. We are interested in understanding what mechanisms are candidates to be sources of net angular momentum to generate this kind of dynamics. In particular, in the cas...

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Bibliographic Details
Published inarXiv.org
Main Authors Cirilo-Lombardo, D J, Mayochi, M, Minotti, F O, Vigh, C D
Format Paper Journal Article
LanguageEnglish
Published Ithaca Cornell University Library, arXiv.org 12.09.2017
Subjects
Angular momentum
Physics - Earth and Planetary Astrophysics
Planetary atmospheres
Planetary rotation
Superrotation
Titan
Venus
Venus atmosphere
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Summary:In this work we study in a general view slow rotating planets as Venus or Titan which present superrotating winds in their atmospheres. We are interested in understanding what mechanisms are candidates to be sources of net angular momentum to generate this kind of dynamics. In particular, in the case of Venus, in its atmosphere around an altitude of 100 Km relative to the surface, there exists winds that perform a full rotation around the planet in four terrestrial days, whereas the venusian day is equivalent to 243 terrestrial ones. This phenomenon called superrotation is known since many decades. However, its origin and behaviour is not completely understood. In this article we analise and ponderate the importance of different effects to generate this dynamics.
ISSN:2331-8422
DOI:10.48550/arxiv.1709.03676