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Geography Optional 300+ Score Pack · Model answer
Explain the characteristic features of Frontogenesis and Frontolysis.
- UPSC 2020
- Climatology
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A front is the sloping transition zone between two air masses of contrasting temperature, density, humidity and wind; the concept came from the Bergen School — Vilhelm Bjerknes, Jacob Bjerknes, Halvor Solberg and Tor Bergeron — between 1918 and 1922.
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
- Characteristic Features of Frontogenesis
- 1. Contrasting air masses
- 2. A deformation field, not just any flow
- 3. A sloping frontal surface
- 4. Weather signatures of an active front
- 5. Preferred zones
- …and 7 more sections, with a conclusion
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