GS3Economy · S&T · Environment · Security· Climate change & international agreements· Prelims·
Climate variability and its impact on Indian monsoon: a key GS3 Environment and Ecology topic.
Weather agencies are monitoring a 'super' El Niño event characterized by a 2 °C rise in Pacific Ocean surface waters off Peru and Ecuador.
The 'super' El Niño is defined by a 2 °C rise in surface waters off the western coast of Peru and Ecuador, significantly higher than the typical 0.5 °C rise. While India usually faces rainfall deficits during these cycles, coastal Tamil Nadu may face intense localized rainfall due to increased evaporation in the Bay of Bengal.
With reference to the 'super' El Niño event, consider the following statements:
Which of the statements given above is/are correct?
Answer: (a) 1 only — Statement 1 is correct. Statement 2 is incorrect: Coastal Tamil Nadu may face intense localized rainfall. Statement 3 is incorrect: Typical El Niño involves a 0.5 °C rise.
Q. Discuss the impact of extreme El Niño events on the Indian monsoon and the regional climatic variability in the Bay of Bengal.
Dimensions to cover in your answer
Keywords: El Niño · Climate Variability · Bay of Bengal · Monsoon Dynamics · Extreme Weather
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