Lapse rates Flashcards

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1
Q

What is environmental lapse rate?

A

Rate at which the air cools is about 6.5degrees every 1000meters

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2
Q

What happens to temps as altitude increases?

A

As altitude increases because of gravity, the air closer to sea level has more particles in it. At higher altitudes there are less particles

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3
Q

What is adiabatic cooling?

A

At higher altitudes the pressure on the parcel of air is less, so the parcel of air can expand. As the air expands the heat in the particles has to heat a bigger area

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4
Q

What is DALR (dry adiabatic lapse rate) ?

A

A parcel of air that is not 100% relative humidity, it will cool at 9.8degrees per 1000meters.

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5
Q

What is SALR (saturated adiabatic lapse rate)

A

If parcel of air that have reached relative humidity, it will cool at 5.5degrees

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