Wednesday, 9 January 2013: 1:30 PM
Room 16A (Austin Convention Center)
Since 1999 the Oklahoma Department of Environmental Quality (ODEQ) has operated ambient ozone monitors in the south central part of Oklahoma, just north of the Red River border between Texas and Oklahoma and about 80 miles north of the central Dallas-Fort Worth area. This paper will provide detailed analyses of ambient ozone and related meteorological data from the Oklahoma Red River and select Dallas-Fort Worth sites for the time period 1999 to 2012. The analyses will include: (1) mapping 8-hour ozone exceedance days from the Oklahoma Red River ozone sites, (2) reviewing meteorological data for Red River 8-hour ozone exceedance days, (3) interpretation of detailed ozone diurnal profiles, and (4) conducting an ozone monitoring data trends study. The results of these analyses will improve understanding of the nature of the Dallas-Fort Worth ozone pollution plume far downwind in rural southern Oklahoma and will help in assessment of the effectiveness of current 8-hour ozone pollution controls being employed in the Dallas-Fort Worth 8-hour ozone nonattainment area.
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