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Geography Optional 300+ Score Pack · Model answer

What is the relationship between ocean currents and global surface wind systems ? Explain with examples how does the gyre in the Northern Hemisphere differ from the one in the Southern Hemisphere.

  • UPSC 2022
  • Oceanography

The planetary wind belts supply the momentum for nearly all surface currents. The map of currents is therefore a bent copy of the wind map, bent by the Coriolis effect and broken up by the continents.

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What the full answer covers

  • How the Wind Belts Drive the Currents
  • The Northern and Southern Gyres Compared
  • Verdict

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