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Assessing the Impacts of Hartsfield-Jackson Airport on PM and Ozone in Atlanta Area. Alper Unal, Talat Odman and Ted Russell School of Civil & Environmental Engineering Georgia Institute of Technology 2004 CMAS Workshop October 18 – 20 2004 Chapel Hill, NC. Objectives.
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Assessing the Impacts of Hartsfield-Jackson Airport on PM and Ozone in Atlanta Area Alper Unal, Talat Odman andTed Russell School of Civil & Environmental Engineering Georgia Institute of Technology 2004 CMAS Workshop October 18 – 20 2004 Chapel Hill, NC Georgia Institute of Technology
Objectives • Determine the impact of aircraft emissions on regional air quality for PM2.5 and O3 • Hartsfield-Jackson International Airport • Annual LTO > 420,000 • Improve Emissions Estimation and Processing for Aircrafts • PM2.5 estimation • Temporal and Spatial Distribution Georgia Institute of Technology
Hartsfield-Jackson Airport (Courtesy of City of Atlanta Department of Aviation) Georgia Institute of Technology
Emissions Inventory • Fall Line Air Quality Study [August 11-20 2000] • Meteorological data • Emissions Data (EDMS 4.01) • PM2.5 Estimation (Method1) • General Aviation, Air Taxi, Military Aviation =>EF from EPA (ERG, 2003) • Commercial Air Aviation => Ratio wrt. Air Taxi VOC Georgia Institute of Technology
Emissions Inventory • First Order Approximation (Method2) • Developed by FAA (Wayson and Fleming, 2001) • Characteristic Level (Corrected mean for test results) Georgia Institute of Technology
Emissions Inventory Georgia Institute of Technology
Annual PM Emissions Temporal Distribution Spatial Distribution Speciation Annual Gas Emissions Air Quality Model Ready Emissions Emissions Processing Georgia Institute of Technology
Emissions Processing Georgia Institute of Technology
Aircraft Impact - Ozone Method2 Method1 Maximum sensitivity of regional concentrations to aircraft emissions Georgia Institute of Technology
Aircraft Impact - PM2.5 Method2 Method1 Maximum sensitivity of regional concentrations to aircraft emissions Georgia Institute of Technology
GSE Impact - PM2.5 PM2.5 Ozone Maximum sensitivity of regional concentrations to Ground Support Equipment emissions Georgia Institute of Technology
Findings • PM2.5 emissions estimation method were improved • Emissions processing framework has been developed • Method1 estimates of aircraft emissions are overestimated • Preliminary analysis shows impact of Hartsfield on EC and OC in southern metro counties Georgia Institute of Technology