Difference between revisions of "Smog"

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<div class="definition"><div class="short_definition">As originally coined in 1905 by Des Voeux: a natural [[fog]] contaminated by industrial pollutants,  a mixture of [[smoke]] and fog.</div><br/> <div class="paragraph">Today, it is the common term applied to problematical, largely urban, [[air pollution]], with or  without the natural fog; however, some visible manifestation is almost always implied. Smogs are  constituted in great variety, but a major dichotomy exists between the photochemical smogs of  [[nitrogen oxides]] and [[hydrocarbons]] emitted mainly by automobile engines and, on the other  hand, the sulfur-laden, sometimes deadly, smogs produced by the large-scale combustion of fuel  oil and coal. Both types contain [[carbon monoxide]], [[carbon dioxide]], and a variety of [[particulates]].  <br/>''See'' [[Los Angeles (photochemical) smog]], [[London (sulfurous) smog]].</div><br/> </div>
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<div class="definition"><div class="short_definition">As originally coined in 1905 by Des Voeux: a natural [[fog]] contaminated by industrial pollutants,  a mixture of [[smoke]] and fog.</div><br/> <div class="paragraph">Today, it is the common term applied to problematical, largely urban, [[air pollution]], with or  without the natural fog; however, some visible manifestation is almost always implied. Smogs are  constituted in great variety, but a major dichotomy exists between the photochemical smogs of  [[nitrogen oxides]] and [[hydrocarbons]] emitted mainly by automobile engines and, on the other  hand, the sulfur-laden, sometimes deadly, smogs produced by the large-scale combustion of fuel  oil and coal. Both types contain [[carbon monoxide]], [[carbon dioxide]], and a variety of [[particulates]].  <br/>''See'' [[Los angeles (photochemical) smog|Los Angeles (photochemical) smog]], [[London (sulfurous) smog]].</div><br/> </div>
 
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Latest revision as of 07:20, 11 September 2014



smog

As originally coined in 1905 by Des Voeux: a natural fog contaminated by industrial pollutants, a mixture of smoke and fog.

Today, it is the common term applied to problematical, largely urban, air pollution, with or without the natural fog; however, some visible manifestation is almost always implied. Smogs are constituted in great variety, but a major dichotomy exists between the photochemical smogs of nitrogen oxides and hydrocarbons emitted mainly by automobile engines and, on the other hand, the sulfur-laden, sometimes deadly, smogs produced by the large-scale combustion of fuel oil and coal. Both types contain carbon monoxide, carbon dioxide, and a variety of particulates.
See Los Angeles (photochemical) smog, London (sulfurous) smog.