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Geography Optional 300+ Score Pack · Model answer

What is “Geostrophic Wind” ? Explain the relationship between barometric slope and air circulation.

  • UPSC 2023
  • Climatology

Geostrophic wind is the theoretical horizontal wind that blows parallel to straight isobars when the pressure gradient force (PGF) and the Coriolis force are exactly equal and opposite, with no friction and no curvature.

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

  • Geostrophic Wind: a Balance of Two Forces
  • Barometric Slope and Wind Speed
  • Barometric Slope and Air Circulation
  • Departures from Geostrophic Balance
  • Judgement

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