File:Movement of surface waters during El Nino.jpg

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Summary

Description	English: For reasons not completely understood, in some years the anti-cyclone is less powerful than normal. The weaker winds it produces fail to draw cold waters up to the ocean's surface, thus opening the way for warm, nutrient-poor tropical waters. These changes in water temperature and climatic conditions are known as "El Nino". Français : Des raisons encore mal comprises, induisent certaines années un anticyclone anormalement faible, qui modifie le movement des eaux froides en surface du Pacifique équatorial, provoquant son réchauffement et un appauvrissement de plusieurs mois en nutriment ("El Nino") avec de fortes modifications écologiques induites.
Date	22 March 2012
Source	NOAA Photo Library
Author	Unknown authorUnknown author

Licensing

This image is in the public domain because it contains materials that originally came from the U.S. National Oceanic and Atmospheric Administration, taken or made as part of an employee's official duties.

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