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a layer of the atmosphere in which there is a temperature inversion, with the layer tending to prevent the air below it from rising, thus trapping any pollutants that are present.
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for
The atmosphere reacts in a similar manner forming waves of air on the edges of the
Second, modifications were made in the strength and depth of the surface-based
The crystal type is sometimes indicative of a temperature
in the atmosphere.
As this warm air rises, it erodes and raises the base of the
Air pollution is primarily retained, however, by an
that forms when the air is practically motionless.
Ozone levels are highest during the warm months when there is strong sunshine, high temperatures and an
has increased burning at night and suppressed intense burning during the day.
has continued the trend of increased burning at night and suppressed burning during the day.
Evolution of the nocturnal
at an urban and nonurban location.
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