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Science 18 July 1997:
Vol. 277. no. 5324, pp. 361 - 364
DOI: 10.1126/science.277.5324.361
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Reports

Evidence for Large-Scale Eddy-Driven Gyres in the North Atlantic

M. Susan Lozier

Analysis of a recent climatological database for the North Atlantic has detailed an extensive large-scale recirculation system in the intermediate waters of the North Atlantic basin. The pressure fields that define this recirculation, coupled with the potential vorticity fields associated with the recirculating flow, provide observational evidence for basin-scale eddy-driven flow in the global ocean. The recirculations are intimately tied to the waters carried southward by the Deep Western Boundary Current and are therefore likely to affect the distribution of climatic anomalies in the North Atlantic.

Division of Earth and Ocean Sciences, Nicholas School of the Environment, Duke University, Box 90230, Durham, NC 27708-0230, USA.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)