Los angeles (photochemical) smog: Difference between revisions
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<div class="definition"><div class="short_definition">Type of [[air pollution]] characterized by high levels of [[ozone]] and low visibility, typically found in cities located in a valley (e.g., Los Angeles, Denver, Mexico City).</div><br/> <div class="paragraph">Sunlight, oxides of [[nitrogen]], and [[hydrocarbons]] (the latter two of which arise from automobile exhaust) are all required in order for [[smog]] formation to occur. The most severe episodes occur when a strong [[temperature inversion]] caps the location and traps the pollutants. The [[degradation]] in [[visibility]] is associated with the [[light scattering]] due to particulate matter. <br/>''See'' [[London (sulfurous) smog]].</div><br/> </div> | <div class="definition"><div class="short_definition">Type of [[air pollution]] characterized by high levels of [[ozone]] and low visibility, typically found in cities located in a valley (e.g., Los Angeles, Denver, Mexico City).</div><br/> <div class="paragraph">Sunlight, oxides of [[nitrogen]], and [[hydrocarbons]] (the latter two of which arise from automobile exhaust) are all required in order for [[smog]] formation to occur. The most severe episodes occur when a strong [[temperature inversion]] caps the location and traps the pollutants. The [[degradation]] in [[visibility]] is associated with the [[light scattering]] due to particulate matter. <br/>''See'' [[London (sulfurous) smog|London (sulfurous) smog]].</div><br/> </div> | ||
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Latest revision as of 16:21, 25 April 2012
Los Angeles (photochemical) smog
Type of air pollution characterized by high levels of ozone and low visibility, typically found in cities located in a valley (e.g., Los Angeles, Denver, Mexico City).
Sunlight, oxides of nitrogen, and hydrocarbons (the latter two of which arise from automobile exhaust) are all required in order for smog formation to occur. The most severe episodes occur when a strong temperature inversion caps the location and traps the pollutants. The degradation in visibility is associated with the light scattering due to particulate matter.
See London (sulfurous) smog.
See London (sulfurous) smog.
