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NOWCAST

NOWCAST NEWS AND NOTES WALKE R CIRCULATION version of the Geophysical Fluid The ocean currents driven by the WEAKENIN G trad e winds supply vital nutrients Dynamic s Laboratory climate mode l spanning the period 1861 A new study suggests that the to the near-surface ocean ecosys- Walker circulation, which drives tems across the equatorial Pacific, to 2000. Some of the simulations included the observed increase in climate an d ocean behavior across which is a majo r fishing region." the tropical Pacific, has weakened. Several theoretical studies have greenhouse gases; other s included Th e University Corporation for jus t the natural climate-altering shown that an increase in green- Atmospheri c Research (UCAR) hous e gases should produce a factors of volcanic eruptions and study indicates that the plausible solar variations. Only the simula- weakening of the Walker circula- explanatio n for the slowdown is tion . As temperature s rise and tion s that included an increase human-induce d climate change. in greenhouse gases showed the mor e water evaporates from the The findings appear in the 4 May ocean , water vapor in the lower Walke r circulation slowing, and issue of Nature. atmosphere increases rapidly. But http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Bulletin of the American Meteorological Society American Meteorological Society

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Publisher
American Meteorological Society
Copyright
Copyright © American Meteorological Society
ISSN
1520-0477
DOI
10.1175/1520-0477-87.8.1007
Publisher site
See Article on Publisher Site

Abstract

NEWS AND NOTES WALKE R CIRCULATION version of the Geophysical Fluid The ocean currents driven by the WEAKENIN G trad e winds supply vital nutrients Dynamic s Laboratory climate mode l spanning the period 1861 A new study suggests that the to the near-surface ocean ecosys- Walker circulation, which drives tems across the equatorial Pacific, to 2000. Some of the simulations included the observed increase in climate an d ocean behavior across which is a majo r fishing region." the tropical Pacific, has weakened. Several theoretical studies have greenhouse gases; other s included Th e University Corporation for jus t the natural climate-altering shown that an increase in green- Atmospheri c Research (UCAR) hous e gases should produce a factors of volcanic eruptions and study indicates that the plausible solar variations. Only the simula- weakening of the Walker circula- explanatio n for the slowdown is tion . As temperature s rise and tion s that included an increase human-induce d climate change. in greenhouse gases showed the mor e water evaporates from the The findings appear in the 4 May ocean , water vapor in the lower Walke r circulation slowing, and issue of Nature. atmosphere increases rapidly. But

Journal

Bulletin of the American Meteorological SocietyAmerican Meteorological Society

Published: Aug 1, 2006

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