what is EL-NINO? why is it caused?
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El Niño is part of a periodic oceanic weather phenomenon known as the Southern Oscillation. An understanding of El Niño is important for two reasons: 1) it is a useful model for predicting both long and short term climate changes, 2) it impacts global economies and ecologies.
The El Nino phenomenon, which occurs every three to five years, is caused by warmer water in the eastern Pacific Ocean. This water is warmer because as trade winds lessen or reverse their direction, winds from the west push warm surface water to the east in the direction of the continent of South America.
The El Nino phenomenon, which occurs every three to five years, is caused by warmer water in the eastern Pacific Ocean. This water is warmer because as trade winds lessen or reverse their direction, winds from the west push warm surface water to the east in the direction of the continent of South America.
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