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Consider the following statements regarding the Inversion of Temperature:
1. A long winter night with clear skies and still air is ideal situation for inversion.
2. Over polar areas, a temperature inversion is normal throughout the year.
1. A long winter night with clear skies and still air is ideal situation for inversion.
2. Over polar areas, a temperature inversion is normal throughout the year.
Which of the above statements is/are correct?
- a)1 only
- b)2 only
- c)Both 1 and 2
- d)Neither 1 nor 2
Correct answer is option 'C'. Can you explain this answer?
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Verified Answer
Consider the following statements regarding the Inversion of Temperatu...
- Both statements are correct
Supplementary notes:
Inversion of Temperature
- Normally, temperature decreases with an increase in elevation. It is called the normal lapse rate.
- At times, the situations is reversed and the normal lapse rate is inverted. It is called Inversion of temperature.
- Inversion is usually of short duration but quite common nonetheless. A long winter night with clear skies and still air is an ideal situation for inversion.
- The heat of the day is radiated off during the night, and by early morning hours, the earth is cooler than the air above.
- Over polar areas, a temperature inversion is normal throughout the year.
Most Upvoted Answer
Consider the following statements regarding the Inversion of Temperatu...
Explanation:
Statement 1: A long winter night with clear skies and still air is an ideal situation for inversion.
During clear winter nights, the ground cools down rapidly due to radiative cooling. The cool air near the surface becomes denser and starts to sink. As a result, a layer of cold air gets trapped near the surface, while warmer air remains aloft. This leads to the formation of a temperature inversion.
Inversions are more likely to occur when there are clear skies and still air. Clear skies allow for efficient radiative cooling, while still air prevents the mixing of air masses and the dissipation of temperature differences. Therefore, statement 1 is correct.
Statement 2: Over polar areas, a temperature inversion is normal throughout the year.
Polar regions experience long periods of darkness during winter, resulting in intense radiative cooling. The absence of sunlight limits the heating of the surface, causing the air near the surface to become extremely cold. This leads to the formation of temperature inversions that persist for extended periods.
In addition to winter, polar areas also experience temperature inversions during summer. The presence of snow and ice reflects a significant amount of solar radiation, preventing the surface from warming up. As a result, the air near the surface remains colder than the air above, leading to the formation of temperature inversions.
Therefore, statement 2 is also correct.
Conclusion:
Both statements 1 and 2 are correct. A long winter night with clear skies and still air is an ideal situation for inversion, and temperature inversions are normal throughout the year over polar areas.
Statement 1: A long winter night with clear skies and still air is an ideal situation for inversion.
During clear winter nights, the ground cools down rapidly due to radiative cooling. The cool air near the surface becomes denser and starts to sink. As a result, a layer of cold air gets trapped near the surface, while warmer air remains aloft. This leads to the formation of a temperature inversion.
Inversions are more likely to occur when there are clear skies and still air. Clear skies allow for efficient radiative cooling, while still air prevents the mixing of air masses and the dissipation of temperature differences. Therefore, statement 1 is correct.
Statement 2: Over polar areas, a temperature inversion is normal throughout the year.
Polar regions experience long periods of darkness during winter, resulting in intense radiative cooling. The absence of sunlight limits the heating of the surface, causing the air near the surface to become extremely cold. This leads to the formation of temperature inversions that persist for extended periods.
In addition to winter, polar areas also experience temperature inversions during summer. The presence of snow and ice reflects a significant amount of solar radiation, preventing the surface from warming up. As a result, the air near the surface remains colder than the air above, leading to the formation of temperature inversions.
Therefore, statement 2 is also correct.
Conclusion:
Both statements 1 and 2 are correct. A long winter night with clear skies and still air is an ideal situation for inversion, and temperature inversions are normal throughout the year over polar areas.
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Consider the following statements regarding the Inversion of Temperature:1. A long winter night with clear skies and still air is ideal situation for inversion.2. Over polar areas, a temperature inversion is normal throughout the year.Which of the above statements is/are correct?a)1 onlyb)2 onlyc)Both 1 and 2d)Neither 1 nor 2Correct answer is option 'C'. Can you explain this answer?
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