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Annales Geophysicae An interactive open-access journal of the European Geosciences Union
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Volume 12, issue 9
Ann. Geophys., 12, 826–839, 1994
https://doi.org/10.1007/s00585-994-0826-5
© European Geosciences Union 1994
Ann. Geophys., 12, 826–839, 1994
https://doi.org/10.1007/s00585-994-0826-5
© European Geosciences Union 1994

  31 Aug 1994

31 Aug 1994

The South Atlantic in the Fine-Resolution Antarctic Model

D. P. Stevens and S. R. Thompson D. P. Stevens and S. R. Thompson

Abstract. The geographical area covered by the Fine-Resolution Antarctic Model (FRAM) includes that part of the South Atlantic south of 24°S. A description of the dynamics and thermodynamics of this region of the model is presented. Both the mean and eddy fields in the model are in good agreement with reality, although the magnitude of the transients is somewhat reduced. The heat flux is northward and in broad agreement with many other estimates. Agulhas eddies are formed by the model and propagate westward into the Atlantic providing a mechanism for fluxing heat from the Indian Ocean. The confluence of the Brazil and Falkland currents produces a strong front and a large amount of mesoscale activity. In the less stratified regions to the south, topographic steering of the Antarctic circumpolar current is important.

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