NausheenAIR 9 · CSE 2023 · 193 wordsTheir whole copy
Opening · a definition
Temperature inversion is defined as inversion of air movement due to placing of a warm layer over cooler one. this is contrary to the fact that temperature decreases with increasing height.
Body · points
Influence of temperature inversion on atmospheric conditions
→ Prevents movement of air upwards.
→ change in atmospheric circulation of the air. → Since the inversion also occurs at junction between troposphere and stratosphere, it influences the upward draft.
Implications on weather patterns and air pollution levels
weather patterns
- (1) stagnancy of local weather conditions → Urban heat Island effect.
- (2) At hilly regions, temperature inversion causes frost conditions.
- (3) Prevents movement of air and hence a high pressure condition is created.
- (4) Prevents rainfall.
- (5) creates fog in northern areas of india.
Air pollution levels
- (1) Increase in smog formation - (smoke + fog)
- (2) No escape to vehicular emissions of the urban areas increases pollution.
- (3) Increases the influence of ozone pollutants and aerosols in urban areas.
Close · a way forward
Various steps have been taken by governments like National Clean Air Programme, BS-VI vehicles to reduce the impact of inversion in increasing pollution levels.
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