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    Author(s): Warren E. HeilmanXindi Bian
    Date: 2010
    Source: International Journal of Wildland Fire. 19: 346-363.
    Publication Series: Scientific Journal (JRNL)
    Station: Northern Research Station
    PDF: View PDF  (1.79 MB)

    Description

    The suite of operational fire-weather indices available for assessing the atmospheric potential for extreme fire behaviour typically does not include indices that account for atmospheric boundary-layer turbulence or wind gustiness that can increase the erratic behaviour of fires. As a first step in testing the feasibility of using a quantitative measure of turbulence as a stand-alone fire-weather index or as a component of a fire-weather index, simulations of the spatial and temporal patterns of turbulent kinetic energy during major recent wildfire events in the western Great Lakes and northeastern US regions were performed. Simulation results indicate that the larger wildfires in these regions of the US were associated with episodes of significant boundary-layer ambient turbulence.

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    Citation

    Heilman, Warren E.; Bian, Xindi. 2010. Turbulent kinetic energy during wildfires in the north central and north-eastern US. International Journal of Wildland Fire. 19: 346-363.

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