On the basis of the average temperature gradient of the in the situations below,

Question

On the basis of the average temperature gradient of the in the situations below, classify the degree of stability (unstable, neutral, or stable) of the atmosphere:

1. Temperature at ground level is 70o F and the temperature at 1500 feet is 80o F.

2. Temperature at ground-level is 25o C and the temperature at 700m is 28o C.

3. Determine the temperature gradient for each part of question 2 above.

4. The ground level wind velocity at 10 m elevation is 7mi/hr. in a city. What would you estimate the velocity to be at 100-m elevation, in miles per hour, based upon Table 3-3, if there is a B stability class?

Explanation / Answer

A stable atmosphere is one in which potential temperature increases with altitude

1.      Stable: Temperature increases with increase in altitude. This is a "plus" temperature lapse rate, or an inversion. AS given temperature increases from 70o F to 80o F so Stable Atmosphere.

2.      Stable as above Explanation

3.      Temperature Gradient can determine with keeping in mind the temperature variation in Troposphere

4) Table are missing

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