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Major upwelling areas along the world's coasts are highlighted in red

Upwelling – a wind driven event where warm surface water is replaced by cooler, denser, more nutrient rich water. Can occur on coastlines or in the open ocean. . Major upwelling areas along the world's coasts are highlighted in red. El Niño--.

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Major upwelling areas along the world's coasts are highlighted in red

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  1. Upwelling – a wind driven event where warm surface water is replaced by cooler, denser, more nutrient rich water. Can occur on coastlines or in the open ocean.

  2. Major upwelling areas along the world's coasts are highlighted in red

  3. El Niño-- • An irregular, recurring flow of unusually warm surface waters from the Pacific Ocean toward and along the western coast of South America. It prevents upwelling of nutrient-rich cold deep water and that disrupts typical regional and global weather patterns.

  4. Video clips • http://www.pbs.org/newshour/thenews/thesci/story.php?id=15412&package_id=3623 • http://www.youtube.com/watch?v=IvmeUStFvz8

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