Both La Ni (La Niña) and El Niño are climatic events arising
Both La Ni (La Niña) and El Niño are climatic events arising due to changes in sea surface temperature in the Pacific Ocean, which affect the weather of the whole world. Both these incidents are part of the cycle of "El Nino Southern Obsilage". Let us understand them in detail: , 1. El Niño: Definition: "El Nino" is a condition when the surface water temperature of the eastern and middle tropical Pacific Ocean is higher than normal. major impact: • Heavy rainfall and floods on the west coast of South America (Peru, Ecuador). • Low monsoon rainfall in India and South Asia. • Drought in Australia. • Adverse effects on fisheries (reducing the supply of hot water nutrients). • Temperature rise globally. Time period: The El Nino phenomenon usually occurs every 2 to 7 years and lasts for 9 to 12 months. , 2. La neena (la niña): Definition: "La Nina" is contrary to El Nino. In this, the superficial water of the eastern and central Pacific Ocean cools from normal. major impact: • Good monsoon and more rainfall in India. • Drought in South America. • Excessive rainfall and flood threat in Australia. • Winters in North America can be cold and snowfall. • The number of storms in some areas increases. Time period: La Nina incidents also occur every few years and usually last for 1 to 2 years.
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