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Geography Optional 300+ Score Pack · Model answer

Explain the meridional circulation of the atmosphere and its importance in world climate.

  • UPSC 2015
  • Climatology

Meridional circulation is the north–south (poleward and equatorward) component of atmospheric motion, together with the rising and sinking air that links it, as distinct from the dominant east–west (zonal) flow of the trades and westerlies.

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

  • Why It Exists
  • The Three-Cell Mechanism
  • Importance in World Climate
  • 1. Fixing the climate belts
  • 2. Seasonal climates through migration
  • 3. Heat and moisture redistribution
  • …and 4 more sections, with a conclusion

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