2015
DOI: 10.1073/pnas.1504498112
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Role of buoyant flame dynamics in wildfire spread

Abstract: Large wildfires of increasing frequency and severity threaten local populations and natural resources and contribute carbon emissions into the earth-climate system. Although wildfires have been researched and modeled for decades, no verifiable physical theory of spread is available to form the basis for the precise predictions needed to manage fires more effectively and reduce their environmental, economic, ecological, and climate impacts. Here, we report new experiments conducted at multiple scales that appea… Show more

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Cited by 289 publications
(195 citation statements)
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“…The images recorded do not suggest a piloted ignition of pyrolisates from radiation, but by buoyancy with strong turbulent convection in concordance with observations in the full-scale experiment and data from other crown fires (Clark et al, 1999;Coen et al, 2004;Taylor et al, 2004). Therefore, it would seems to question the ability of just radiation to explain crown fire (Butler et al, 2004a) and support the need to consider the role played by convection (Finney et al, 2013(Finney et al, , 2015. Measurements in scanty crown fire experiments (Frankman et al, 2012) show that relative contribution of convective and radiative energy transfer can be highly variable from a fire to another.…”
Section: Discussionsupporting
confidence: 61%
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“…The images recorded do not suggest a piloted ignition of pyrolisates from radiation, but by buoyancy with strong turbulent convection in concordance with observations in the full-scale experiment and data from other crown fires (Clark et al, 1999;Coen et al, 2004;Taylor et al, 2004). Therefore, it would seems to question the ability of just radiation to explain crown fire (Butler et al, 2004a) and support the need to consider the role played by convection (Finney et al, 2013(Finney et al, , 2015. Measurements in scanty crown fire experiments (Frankman et al, 2012) show that relative contribution of convective and radiative energy transfer can be highly variable from a fire to another.…”
Section: Discussionsupporting
confidence: 61%
“…Measurements in scanty crown fire experiments (Frankman et al, 2012) show that relative contribution of convective and radiative energy transfer can be highly variable from a fire to another. That suggests that likely models considering a more flexible contribution of convective and radiative components could be more realistic (Finney et al, 2015). Both the full and small-scale experiments, with light-moderate wind and absence of wind respectively, showed the apparent need for contact between the flame and the crowns to generate crown fire.…”
Section: Discussionmentioning
confidence: 99%
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“…In this article, I give an overview of the recent contribution of Finney et al (1) to our understanding of how wildfires spread by providing its scientific context and also by putting forward the possible impact on the field.…”
mentioning
confidence: 99%