Consider the following combinations of lapse rate in relation to atmospheric region :
- 1. Troposphere : Negative lapse rate
- 2. Stratosphere : Negative lapse rate
- 3. Mesosphere : Negative lapse rate
- 4. Thermosphere : Positive lapse rate
How many of the combinations given above is/are correct ?
1
2
3
4
Answer is Wrong!
Answer is Right!
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UPSC Geoscientist – 2024
2. **Stratosphere:** Temperature increases with altitude due to the absorption of UV radiation by the ozone layer (negative lapse rate). Statement 2 is correct.
3. **Mesosphere:** Temperature decreases with altitude (positive lapse rate), reaching the coldest temperatures in the atmosphere at the mesopause. Statement 3 is incorrect.
4. **Thermosphere:** Temperature increases significantly with altitude due to the absorption of high-energy solar radiation (negative lapse rate/temperature increasing with height). Statement 4 states positive lapse rate, which is incorrect.