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DALR

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DALR
The Dry Adiabatic Lapse Rate (DALR) is the rate at which the temperature of unsaturated air changes as a parcel ascends or decends through the atmosphere.
The DALR is approximately 9.8 degree Celsius per 1 km.
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DALR
Dry Adiabatic Lapse Rate. The rate at which the temperature of dry (unsaturated) air changes as it is raised or lowered adiabatically through the atmosphere. The DALR is approximately -9.

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Dry Adiabatic Lapse Rate
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DALRDry Adiabatic Lapse RateDamIn hydrologic terms, any artificial barrier which impounds or diverts water. The dam is generally hydrologically significant if it is:
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The dry adiabatic lapse rate (DALR) is the rate at which a rising parcel of unsaturated air, such as a thermal, will lose temperature. Unsaturated air has less than 100% relative humidity, ie it is below its dew point.

The rate at which the temperature of a parcel of dry air decreases as the parcel is lifted in the atmosphere. The dry adiabatic lapse rate (abbreviated DALR) is 5.5?Ǭ?F per 1000 ft or 9.8?Ǭ?C per km.
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Dry adiabatic lapse rate: the rate at which the temperature of a parcel of dry air decreases as the parcel is lifted in the atmosphere. The dry adiabatic lapse rate (abbreviated DALR) is 5.5°F per 1000 ft or 9.8°C per km.
E ...

if the air is unsaturated (air temperature > dew point temperature), the cooling/warming will be at a rate of 3 degC per 1000 ft (or 10 degC per 1 km): This is known as the Dry Adiabatic Lapse Rate/DALR; ...

Dynamic lifting causes the mid-levels to cool at a greater rate than the lower troposphere since air in the lower troposphere cools at the WALR and air in the middle troposphere cools at the DALR.

See also: Meteor, Earth, Humidity, Surface, Lapse Rate