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Ozone and Other Air Quality-Related Variables Affecting Visibility in the Southeast United States
 

Summary: Ozone and Other Air Quality-Related Variables Affecting
Visibility in the Southeast United States
Viney P. Aneja, Jeffrey S. Brittig, and Deug-Soo Kim
Department of Marine, Earth, and Atmospheric Sciences, North Carolina State University, Raleigh,
North Carolina
Adel Hanna
Carolina Environmental Program, University of North Carolina, Chapel Hill, North Carolina
ABSTRACT
An analysis of ozone (O3) concentrations and several
other air quality-related variables was performed to eluci-
date their relationship with visibility at five urban and
semi-urban locations in the southeast United States dur-
ing the summer seasons of 19801996. The role and im-
pact of O3 on aerosols was investigated to ascertain a
relationship with visibility. Regional trend analysis over
the 1980s reveals an increase in maximum O3 concentra-
tion coupled with a decrease in visibility. However, a
similar analysis for the 1990s shows a leveling-off of both
O3 and visibility; in both cases, the results were not sta-
tistically significant at the 5% level. A case study of site-

  

Source: Aneja, Viney P. - Department of Marine, Earth and Atmospheric Sciences, North Carolina State University

 

Collections: Environmental Sciences and Ecology; Geosciences