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Zonal superrotation above Venus' cloud base induced by the semidiurnal tide and the mean meridional circulationThe equilibrium zonal wind structure resulting from the interaction of the semidiurnal tide and the mean meridional circulation driven by the zonally averaged solar heating above the Venus cloud base were calculated. The results show that the tidal mechanism proposed by Fels and Lindzen (1974) can account for a substantial fraction (and possibly all) of the increase of the equatorial wind speed above the cloud base. Above the cloud tops, tidal deceleration may be too small to produce the zonal wind decrease with height inferred from thermal data. Tidal forcing does not explain the superrotation below the clouds, and additional eddy sources are needed to account for the zonal wind structure at mid and high latitudes.
Document ID
19900061652
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Hou, Arthur Y.
(NASA Goddard Space Flight Center Greenbelt, MD; Atmospheric and Environmental Research, Inc., Cambridge, MA, United States)
Goody, Richard M.
(Harvard University Cambridge, MA, United States)
Fels, Stephen B.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Date Acquired
August 14, 2013
Publication Date
August 1, 1990
Publication Information
Publication: Journal of the Atmospheric Sciences
Volume: 47
ISSN: 0022-4928
Subject Category
Lunar And Planetary Exploration
Accession Number
90A48707
Funding Number(s)
CONTRACT_GRANT: NGL-22-007-228
CONTRACT_GRANT: NASW-4206
Distribution Limits
Public
Copyright
Other

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