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Science 12 January 1990:
Vol. 247. no. 4939, pp. 198 - 201
DOI: 10.1126/science.247.4939.198
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Articles

Coastal Ocean Upwelling

Andrew Bakun 1

1 Pacific Fisheries Environmental Group, Southwest Fisheries Center, National Marine Fisheries Service, National Oceanic and Atmospheric Administration, P.O. Box 831, Monterey, CA 93942

A mechanism exists whereby global greenhouse warning could, by intensifying the alongshore wind stress on the ocean surface, lead to acceleration of coastal upwelling. Evidence from several different regions suggests that the major coastal upwelling systems of the world have been growing in upwelling intensity as greenhouse gases have accumulated in the earth's atmosphere. Thus the cool foggy summer conditions that typify the coastlands of northern California and other similar upwelling regions might, under global warming, become even more pronounced. Effects of enhanced upwelling on the marine ecosystem are uncertain but potentially dramatic.


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