The dry adiabatic rate (DAR) is
A) 6 C° per 1000 m (3.3 F° per 1000 ft).
B) the rate used for a saturated parcel of air.
C) a term that refers to the temperature decrease in the still, calm air that surrounds a moving air parcel.
D) 10 C° per 1000 m (5.5 F° per 1000 ft.).

Question

Quizplus · Accepted Answer

The dry adiabatic rate (DAR) refers to the rate at which temperature decreases in a parcel of dry air as it is lifted vertically in the atmosphere without exchanging heat with its surroundings. The DAR is approximately 10 C° per 1000 m (5.5 F° per 1000 ft).

The Dry Adiabatic Rate (DAR) Is