| Which of the following factors affect surface air temperature? |
| 1. Latitude |
| 2. Altitude |
| 3. Cloud cover |
| 4. Land/Water heating differences |
| Select the correct answer using the codes given below. |
A) 1 and 3
B) 1, 2 and 3
C) 2, 3 and 4
D) All of these
Correct Answer: D
Solution :
[d] Factors affecting surface air temperature are A. Latitude High latitudes receive lower Sun angles, thus, they have less total insolation than low latitudes. Less insolation means lower temperature B. Altitude On average temperature decreases with increasing altitude called normal lapse rate. Thin atmosphere emits less long wave, so the mountain receives less. Normal Lapse Rate recall that air temperature drops with increasing altitude. C. Cloud Cover Day Clouds Insolation blocked results in lower maximum temperatures i.e. it doesn't get as hot as a clear day. Night Clouds Clouds radiate increased long wave toward Earth; results in higher minimum temperatures i.e. it doesn't get as cold as a clear night. Daily Temperature Range Difference between the maximum and minimum is low in a cloudy situation. D. Land/Water Heating Differences Water has certain properties as compared to land. It heats and cools more slowly than land.
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