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Geography Optional 300+ Score Pack · Model answer

Explain how various factors influence the origin and development of the Indian monsoon system.

  • UPSC 2020
  • Climatology

The Indian monsoon is a seasonal reversal of winds and weather, but its origin (why the reversal happens) and its development (onset, burst, active and break spells, retreat) are governed by different factors acting at the surface, in the upper troposphere and across the oceans.

You are reading the opening of the model answer. The full answer is part of the Geography Optional 300+ Score Pack.

What the full answer covers

  • Factors Behind the Origin
  • 1. Differential Heating of Land and Sea — the Thermal Factor
  • 2. Shift of the ITCZ — the Dynamic Factor
  • 3. The Himalaya–Tibet Complex
  • 4. Upper-Air Jet Streams
  • 5. Southern Hemisphere Push
  • …and 5 more sections, with a conclusion

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