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News and Views
Nature 415, 594 (7 February 2002) | doi:10.1038/415594b
Oceanography: A slower flow
Heike Langenberg
The deep 'overturning' circulation in the North Atlantic, in which northward-flowing surface water sinks at high latitudes and flows back at depth, may not be fully understood, but its existence has long been public knowledge. But only recently has there been general awareness that two shallow circulation cells lie on either side of the Equator in the Pacific.
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