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General circulation of the South Atlantic between 5 deg N and 35 deg SThe TOPEX/POSEIDON altimeter will provide the temporal mean seal level. So, secondly, we propose to compute the difference between these two surfaces (mean sea level minus general circulation dynamic topography). The result will be an estimate of the marine geoid, which is time invariant for the 5-year period under consideration. If this geoid is precise enough, it will permit a description of seasonal variability of the large-scale surface circulation. If there happens to be enough float data, it may be possible to infer the first vertical modes of this variability. Thus the main goal of our investigation is to determine the 3-D general circulation of the South Atlantic and the large-scale seasonal fluctuations. This last objective, however, may be restricted to the western part of the South Atlantic because float deployments have been scheduled only in the Brasil basin.
Document ID
19930005798
Document Type
Other
Authors
Ollitrault, Michel
(Institut Francais de Recherche pour l'Exploitation de la Mer Brest, France)
Mercier, H.
(Institut Francais de Recherche pour l'Exploitation de la Mer Brest, France)
Blanc, F.
(Centre National d'Etudes Spatiales Toulouse, France)
Letraon, L. Y.
(Centre National d'Etudes Spatiales Toulouse, France)
Date Acquired
August 16, 2013
Publication Date
September 1, 1991
Publication Information
Publication: JPL, TOPEX(Poseidon Science Investigations Plan
Subject Category
Oceanography
Accession Number
93N14987
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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