Suppose that surface air on the windward side of a mountain rises and descends o

Question

Suppose that surface air on the windward side of a mountain rises and descends on the leeward side. Recall from Chapter 4 that the dew-point temperature is a measure of the amount of water vapor in the air. The relative humidity of the descending air as the dew-point temperature of the descending air increases, due to the fact that relative humidity depends on , in addition to the dew point temperature and the amount of water vapor in the air. As air descends on the leeward side of the mountain, its temperature faster than the , thus the relative humidity .

Explanation / Answer

(a) The relative humidity of the descending air as the dew-point temperature of the descending air increases, due to the fact that relative humidity depends on temperature in addition to the dew point temperature and the amount of water vapor in the air.

(b)temperature increases faster than the dew point temperature increase and thus the relative humidity decreases.

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