Image: Movement of surface waters during El Nino
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Description: 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".
Title: Movement of surface waters during El Nino
Credit: NOAA Photo Library
Author: Unknown authorUnknown author
Usage Terms: Public domain
License: Public domain
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