2020 DOI: 10.20944/preprints202009.0533.v1 View full text Preprint
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Scott Pokswinski, Michael R. Gallagher, Nicholas S. Skowronski, E. Louise Loudermilk, Joseph J. O'Brien, J. Kevin Hiers

Abstract: Firebrands are an important agent of wildfire spread and structure fire ignitions at the wildland urban interface. Bark flake morphology has been highlighted as an important, yet poorly characterized factor in firebrand generation, transport, deposition, and ignition of unburned material. Using pine species where bark flakes are the documented source of embers, we conducted experiments to investigate how bark structure changes in response to diurnal drying. Over a 3-day period in a longleaf pine (Pinus palustr…

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