CLIMATE OF INDIA
EL NINO AND SOUTHERN OSCILLATIONS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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El Nino and La Nina are two periodic changes in ocean circulation patterns. which of these statements best describes their effect on global climate?
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El Nino and La Nina tend to peak during winter months, so by the summer months the climate patterns return to normal conditions.
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El Nino carries warm water, increasing rainfall along the coast of Chile, while La Nina brings cold water upwellings to western South America.
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El Nino and La Nina are recent disturbances in ocean currents oscillating between warm and cold conditions caused by the greenhouse effect.
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El Nino and La Nina exclusively affect the climate of the southern Pacific Ocean including South America, Australia and Indonesia.
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Explanation:
Detailed explanation-1: -An El Niño condition occurs when surface water in the equatorial Pacific becomes warmer than average and east winds blow weaker than normal. The opposite condition is called La Niña. During this phase of ENSO, the water is cooler than normal and the east winds are stronger. El Niños typically occur every 3 to 5 years.
Detailed explanation-2: -El Niño and La Niña can both have global impacts on weather, wildfires, ecosystems, and economies.
There is 1 question to complete.