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The meaning of AIRSHED is the air supply of a given region; also : the geographical area covered by such an air supply.
Airshed definition: a geographical area within which the air frequently is confined or channeled, with all parts of the area thus being subject to similar conditions of air pollution.. See examples of AIRSHED used in a sentence.
An airshed is a geographical area where local topography and meteorology limit the dispersion of pollutants away from the area. They are formed by air masses moving across a landscape, thus influencing the atmospheric composition of that area.
1 A geographical area that frequently shares the same air because of topography, meteorology, and/or climate. 2 The catchment area (after watershed) for air pollutants around known emission sources.
airshed in American English. (ˈɛərˌʃed) noun. Meteorology. a geographical area within which the air frequently is confined or channeled, with all parts of the area thus being subject to similar conditions of air pollution. Most material © 2005, 1997, 1991 by Penguin Random House LLC.
Define airshed. airshed synonyms, airshed pronunciation, airshed translation, English dictionary definition of airshed. n another name for aircraft hangar Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998,...
A geographical region, usually a topographical basin, that tends to have uniform air quality . The air quality within an airshed is influenced predominantly by emission activities native to that airshed, since the elevated topography around the basin constrains horizontal air movement.
