Kinematic structure and transport of currents in the north-western tropical Atlantic

Kinematic structure and transport of currents in the north-western tropical Atlantic Oceanographic data from the regional data bank, covering a period from 1911 through to 1990, in combination with the climatic tangential wind stress data have been applied to determine the historical fields of summary currents in the north-western tropical Atlantic; currents of the major circulation elements in the active layer have been specified. It has been confirmed that a significant, in terms of climate, transport of surface and subsurface waters by the geostrophic component of the North Brazil current (NBC) to the northern tropical Atlantic does not take place. North-west of 2oN and 45o W, the current turns eastward, thus contributing to the generation of the equatorial countercurrent. The transport of the NBC within a 0–500 m layer near 1o N has been evaluated to be equivalent to 50 Sv, and the mean annual transport of the equatorial countercurrent to 30 Sv. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Physical Oceanography Springer Journals

Kinematic structure and transport of currents in the north-western tropical Atlantic

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Publisher
Kluwer Academic Publishers
Copyright
Copyright © 1997 by VSP
Subject
Earth Sciences; Oceanography; Remote Sensing/Photogrammetry; Atmospheric Sciences; Climate Change; Environmental Physics
ISSN
0928-5105
eISSN
0928-5105
D.O.I.
10.1007/BF02523061
Publisher site
See Article on Publisher Site

Abstract

Oceanographic data from the regional data bank, covering a period from 1911 through to 1990, in combination with the climatic tangential wind stress data have been applied to determine the historical fields of summary currents in the north-western tropical Atlantic; currents of the major circulation elements in the active layer have been specified. It has been confirmed that a significant, in terms of climate, transport of surface and subsurface waters by the geostrophic component of the North Brazil current (NBC) to the northern tropical Atlantic does not take place. North-west of 2oN and 45o W, the current turns eastward, thus contributing to the generation of the equatorial countercurrent. The transport of the NBC within a 0–500 m layer near 1o N has been evaluated to be equivalent to 50 Sv, and the mean annual transport of the equatorial countercurrent to 30 Sv.

Journal

Physical OceanographySpringer Journals

Published: Oct 21, 2006

References

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