Which of the following is a major factor in the onset of the Indian monsoon?
A. The heating of the Tibetan Plateau
B. The weakening of the jet stream
C. The strengthening of the polar vortex
D. The cooling of the Indian Ocean
Answer: Option A
Solution (By JKExamLibrary)
The heating of the Tibetan Plateau during the pre-monsoon season plays a crucial role in the onset of the Indian monsoon by creating a large thermal low that draws in moist air from the ocean.
Explanation:
The Indian Ocean Dipole involves changes in sea surface temperatures and wind patterns across the Indian Ocean, leading to reversals in surface winds and currents during positive and negative phases.
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