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- Dictionarylapse rate
noun
- 1. the rate at which air temperature falls with increasing altitude.
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The lapse rate is the rate at which an atmospheric variable, normally temperature in Earth's atmosphere, falls with altitude. Lapse rate arises from the word lapse, in the sense of a gradual fall.
Lapse rate, rate of change in temperature observed while moving upward through the Earth’s atmosphere. The lapse rate is considered positive when the temperature decreases with elevation, zero when the temperature is constant with elevation, and negative when the temperature increases with.
- The Editors of Encyclopaedia Britannica
The lapse rate in geography refers to the rate at which air temperature decreases with an increase in altitude. It’s a fundamental concept in meteorology and climatology, playing a critical role in weather patterns, climate zones, and atmospheric processes.
Apr 23, 2023 · The SALR varies between 4 and 9 degrees; at 4deg for air with high moisture content to 9deg for dry air. The average rate of cooling is of 5o C/1000m. Now, let’s look at how these rates influence atmospheric conditions and weather.
Lapse rate is the rate of temperature decrease with height in the atmosphere. If we consider the hypothetical case of a bubble of air rising through a dry atmosphere with no mixing or heat exchange between the bubble and its environment, the bubble will expand and cool.
Definition. The Lapse Rate is the rate at which temperature changes with height in the Atmosphere. Lapse rate nomenclature is inversely related to the change itself: if the lapse rate is positive, the temperature decreases with height; conversely if negative, the temperature increases with height.
Nov 21, 2023 · The lapse rate definition includes wet and dry adiabatic lapse rate, environmental lapse rate, and standard temperature lapse rate. Each lapse rate expresses air behavior under...
