What term describes the rate at which an unsaturated parcel of rising air cools due to expansion alone, averaging about 10 degrees Celsius per 1000 m?

Model answer

dry adiabatic lapse rate

Also accepted: DALR, the dry adiabatic lapse rate

Explanation

This is the dry adiabatic lapse rate (DALR), which applies to unsaturated air before condensation begins.

Derived from ZIMSEC Advanced Level Geography 6037/1 Paper 1: Physical Component, November 2022 session, Q1

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