व्हाट डू यू अंडरस्टैंड बाय द टर्म एल नीनो
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Answer:
El Nino is thee periodic development of a warm ocean current along the coast of Peru . The El Nini replaces the cold peruian current
due to El Nino the sea surface temperature increases and the trade winds in this region becomes weak
story of southern oscillation
Normal situation
∴ high pressure at Tropical Eastern South Pacific
⬇
Tropical Eastern Indian ocean tropical pacific ocean experiences law pressure
↓
Strong Easterlies flows and the ocean current is governed by them ,further phenonmenons are followed by this in a cyclic manner
⁛But when this pressure conditions got reversed this is known as Southern OScillations
∴Reversal of pressure conditions in Pacific ocean
Weak high pressure in south eastern pacific ocean
high pressure at the western pacific ocean
⁛ Change in the direction of surface wind climate and precipitationalso changes