Impact On Air Quality

Global climate change also has implications for ambient air quality. Increased emissions of SOx, NOx, and CO are associated with power plants meeting increased electric demands. Plume rises from stacks would decrease due to higher ambient air temperatures and reduced buoyancy effects; these decreases would be manifested in higher ground-level concentrations of air pollutants located closer to their stacks. Air pollutant dispersion is also affected by weather variables such as windspeed and direction, temperature, precipitation patterns, cloud cover, atmospheric water vapor, and global circulation patterns (Smith and Tirpak 1988). Ozone pollution problems in many urban areas would worsen due to higher reaction rates at higher temperatures and lengthened summer seasons.

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