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With reference to the Indian Ocean Dipole (IOD), consider the following statements:
1. It is the difference in sea surface temperature between two areas a western pole in the Arabian Sea and an eastern pole in the eastern Indian Ocean south of Indonesia.
2. A ‘positive IOD’ is associated with cooler than normal sea-surface temperatures in the eastern equatorial Indian Ocean and warmer than normal sea-surface temperatures in the western tropical Indian Ocean.
Which of the statements given above is/are correct?
  • a)
    1 only
  • b)
    2 only
  • c)
    Both 1 and 2
  • d)
    Neither 1 nor 2
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
With reference to the Indian Ocean Dipole (IOD), consider the followin...
The Indian Meteorological Department (IMD) forecasted a ‘normal’ southwest monsoon for this year and also revised the definition of what constitutes average rainfall.
Indian Ocean Dipole (IOD)
  • The Indian Ocean Dipole (IOD) is defined by the difference in sea surface temperature between two areas (or poles, hence a dipole) – a western pole in the Arabian Sea (western Indian Ocean) and an eastern pole in the eastern Indian Ocean south of Indonesia.
  • In scientific terms, the IOD is a coupled ocean and atmosphere phenomenon, similar to ENSO but in the equatorial Indian Ocean.
  • A ‘positive IOD’ — or simply ‘IOD’ — is associated with cooler than normal sea-surface temperatures in the eastern equatorial Indian Ocean and warmer than normal sea-surface temperatures in the western tropical Indian Ocean.
  • The opposite phenomenon is called a ‘negative IOD’, and is characterised by warmer than normal SSTs in the eastern equatorial Indian Ocean and cooler than normal SSTs in the western tropical Indian Ocean.
Hence both statements are correct.
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With reference to the Indian Ocean Dipole (IOD), consider the following statements:1. It isthedifference in sea surface temperature between two areas a western pole in theArabian Seaand an eastern pole in theeastern Indian Ocean south of Indonesia.2. A ‘positive IOD’ is associated with cooler than normal sea-surface temperatures in the eastern equatorial Indian Ocean and warmer than normal sea-surface temperatures in the western tropical Indian Ocean.Which of the statements given above is/are correct?a)1 onlyb)2 onlyc)Both 1 and 2d)Neither 1 nor 2Correct answer is option 'C'. Can you explain this answer?
Question Description
With reference to the Indian Ocean Dipole (IOD), consider the following statements:1. It isthedifference in sea surface temperature between two areas a western pole in theArabian Seaand an eastern pole in theeastern Indian Ocean south of Indonesia.2. A ‘positive IOD’ is associated with cooler than normal sea-surface temperatures in the eastern equatorial Indian Ocean and warmer than normal sea-surface temperatures in the western tropical Indian Ocean.Which of the statements given above is/are correct?a)1 onlyb)2 onlyc)Both 1 and 2d)Neither 1 nor 2Correct answer is option 'C'. Can you explain this answer? for UPSC 2024 is part of UPSC preparation. The Question and answers have been prepared according to the UPSC exam syllabus. Information about With reference to the Indian Ocean Dipole (IOD), consider the following statements:1. It isthedifference in sea surface temperature between two areas a western pole in theArabian Seaand an eastern pole in theeastern Indian Ocean south of Indonesia.2. A ‘positive IOD’ is associated with cooler than normal sea-surface temperatures in the eastern equatorial Indian Ocean and warmer than normal sea-surface temperatures in the western tropical Indian Ocean.Which of the statements given above is/are correct?a)1 onlyb)2 onlyc)Both 1 and 2d)Neither 1 nor 2Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for UPSC 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for With reference to the Indian Ocean Dipole (IOD), consider the following statements:1. It isthedifference in sea surface temperature between two areas a western pole in theArabian Seaand an eastern pole in theeastern Indian Ocean south of Indonesia.2. A ‘positive IOD’ is associated with cooler than normal sea-surface temperatures in the eastern equatorial Indian Ocean and warmer than normal sea-surface temperatures in the western tropical Indian Ocean.Which of the statements given above is/are correct?a)1 onlyb)2 onlyc)Both 1 and 2d)Neither 1 nor 2Correct answer is option 'C'. Can you explain this answer?.
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