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    Author(s): Y. LiuS. GoodrickG. Achtemeier
    Date: 2009
    Source: International Journal of Wildland Fire 18: 336-348
    Publication Series: Miscellaneous Publication
    PDF: View PDF  (1.72 MB)

    Description

    This study investigates smoke incursion into urban areas by examining a prescribed burn in central Georgia,
    USA, on 28 February 2007. Simulations were conducted with a regional modeling framework to understand transport, dispersion,
    and structure of smoke plumes, the air quality effects, sensitivity to emissions, and the roles of burn management
    strategy in mitigating the effects.The results indicate that smoke plumes firstwentwest, but turned north-west at noon owing
    to a shift in wind direction. The smoke then invaded metropolitan Atlanta during the evening rush hour. The plumes caused
    severe air quality problems in Atlanta. Some hourly ground PM
    concentrations at three metropolitanAtlanta locationswere three to four times as high as the daily (24-h)USNationalAmbientAir
    Quality Standard.The simulated shift in the smoke transport direction and the resultant effects on air quality are supported
    by the satellite and ambient air measurements. Two sensitivity simulations indicate a nearly linear relation between
    the emission intensities and PM
    residents of Atlanta during the evening commute could have been reduced if the starting time of the burn had been altered.

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    • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.

    Citation

    Liu, Y., Goodrick, S., Achtemeier, G., Jackson, W.A., Qu, J.J., Wang, W. 2009. Smoke incursions into urban areas: simulation of a Georgia prescribed burn. International Journal of Wildland Fire 18: 336-348.

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