BEHAVE: fire behavior prediction and fuel modeling system--FUEL subsystem

Burgan, Robert E.; Rothermel, Richard C.

doi:10.2737/int-gtr-167

Cited by 343 publications

(259 citation statements)

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“…Until recently, fuel complex characterization has been limited to surface fuel beds [10,27], due to the restricted applicability of fire behavior simulation models only to surface fuels [11,16]. The development of fire behavior models and systems designed to predict crown fire behavior [24,25,31,32,70,79,80] made necessary the measurement of canopy fuel data.…”

Section: Introductionmentioning

confidence: 99%

Canopy fuel characteristics and potential crown fire behavior in Aleppo pine (Pinus halepensis Mill.) forests

Mitsopoulos

Dimitrakopoulos

2007

Ann. For. Sci.

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-Canopy fuel characteristics that influence the initiation and spread of crown fires were measured in representative Aleppo pine (Pinus halepensis Mill.) stands in Greece. Vertical distribution profiles of canopy fuel load, canopy base height and canopy bulk density are presented. Aleppo pine canopy fuels are characterized by low canopy base height (3.0−6.5 m), while available canopy fuel load (0.96−1.80 kg/m 2 ) and canopy bulk density (0.09−0.22 kg/m 3 ) values are similar to other conifers worldwide. Crown fire behavior (probability of crown fire initiation, crown fire type, rate of spread, fireline intensity and flame length) in Aleppo pine stands with various understory fuel types was simulated with the most updated crown fire models. The probability of crown fire initiation was high even under moderate burning conditions, mainly due to the low canopy base height and the heavy surface fuel load. Passive crown fires resulted mostly in uneven aged stands, while even aged stands gave high intensity active crown fires. Assessment of canopy fuel characteristics and potential crown fire behavior can be useful in fuel management and fire suppression planning.canopy fuels / crown fires / fire behavior / Aleppo pine (Pinus halepensis Mill.) / Mediterranean Basin Résumé -Caractéristiques des combustibles de la canopée et comportement du potentiel de feu des couronnes de forêts de Pin d'Alep (Pinus halepensis Mill.). Les caractéristiques des combustibles qui influencent le démarrage et la propagation des feux de couronnes ont été mesurées dans des peuplements représentatifs de Pinus halepensis Mill. en Grèce. Des profils verticaux de la charge en combustible de la canopée, la hauteur de la base de la canopée et la densité volumique de la canopée sont présentés. La charge combustible de la canopée est caractérisée par une faible hauteur de la base de la canopée (3,0−6,5 m), tandis que la charge en combustible disponible (0,96−1,80 kg/m 2 ) et la densité volumique de la canopée (0,09−0,22 kg/m 3 ) sont similaires à celles des autres conifères dans le monde. Le comportement du feu de couronne (probabilité de démarrage du feu dans les couronnes, type de feu de couronne, taux de propagation, intensité de la ligne de feu et longueur des flammes) dans les peuplements de Pinus halepensis avec différents types de combustibles de sous-bois a été simulé avec le maximum de modèles actuels de feux de couronnes. La probabilité de démarrage de feu de couronne était forte même en conditions de faible embrasement, principalement en relation avec la faible hauteur de la base des couronnes et la forte charge en combustible au sol. Des feux passifs de couronnes se produisent principalement dans les peuplements inéquiennes tandis que les peuplements équiennes ont présenté de fortes intensités de feux actifs de couronnes. L'évaluation des caractéristiques des combustibles de la canopée et le comportement du potentiel de feu peuvent être très utiles pour la gestion des combustibles et la planification de la lutte contre les feux. c...

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Section: Introductionmentioning

confidence: 99%

Canopy fuel characteristics and potential crown fire behavior in Aleppo pine (Pinus halepensis Mill.) forests

Mitsopoulos

Dimitrakopoulos

2007

Ann. For. Sci.

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“…The decrease of 1 hr fuels from 0.75 t ac -1 (untreated fuel model 40) to 0.29 t ac -1 (treated fuel model 41) significantly decreased the rate of spread and flame lengths. This occurred because there were not enough fine fuels to carry the fire (Burgan and Rothermel 1984). Low values for 1 hr fuels inhibit fire spread in FARSITE.…”

Section: Discussionmentioning

confidence: 99%

Proceedings of the 2002 fire conference: managing fire and fuels in the remaining wildlands and open spaces of the Southwestern United States

Narog¹

2008

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“…Diversas pesquisas têm sido realizadas em muitos países desde meados do século passado, relacionando as características dos combustíveis e as condições meteorológicas com as variáveis do comportamento do fogo, com o objetivo de estabelecer modelos de previsão das características dos incêndios e queimadas e os seus efeitos potenciais sobre o ambiente florestal (ROTHERMEL, 1972;BURGAN;ROTHERMEL, 1984;ANDREWS, 1986;CATCHPOLE et al, 1998;VEGA et al, 1998;FERNANDES, 2001). Muitos destes experimentos serviram de base para a elaboração de simuladores do comportamento do fogo que são utilizados largamente no manejo do fogo em florestas e plantios florestais, como por exemplo, os softwares Behaveplus (2008) nos Estados Unidos da América, o CARDIN (VELÈZ, 2000) na Espanha e o KITRAL (JULIO, 1996) no Chile.…”

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Estimativa do comportamento do fogo em queimas experimentais sob povoamentos de Pinus elliottii

2013

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RESUMO -Foram realizadas 23 queimas experimentais em um talhão de Pinus elliottii da Estação Experimental de Rio Negro-PR, município de Rio Negro, pertencente à Universidade Federal do Paraná, durante o inverno de 2008. O objetivo desta pesquisa foi desenvolver modelos de previsão do comportamento do fogo para o planejamento de prevenção e combate aos incêndios florestais. Nos locais preparados paras as queimas foram efetuadas observações e medições sobre o material combustível e variáveis meteorológicas e, durante as queimas, sobre o comportamento do fogo: velocidade de propagação, intensidade do fogo e dimensões da chama. Correlacionando-se os dois grupos de variáveis (do ambiente versus variáveis do comportamento do fogo), obtiveram-se associações significativas entre estas variáveis. Os modelos de regressão desenvolvidos através dos dados coletados produziram estimativas estatisticamente confiáveis do comportamento do fogo em termos de consumo de material combustível, temperatura do ar, umidade relativa e velocidade do vento. Também se verificou que a altura da chama é uma variável fortemente associada à intensidade do fogo, podendo ser empregada para estimativa desta nas condições em que o experimento foi realizado.Palavras-chave: Comportamento do fogo; Queimas controladas; Incêndios florestais; Combustíveis florestais. FIRE BEHAVIOR EVALUATION IN EXPERIMENTAL FIRES ON FOREST FUELS OF Pinus elliottii PLANTATIONS

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BEHAVE: fire behavior prediction and fuel modeling system--FUEL subsystem

Abstract: PMS 439-1 MAY 1984 NFES 0275 This file was created by scanning the printed publication. Errors identified by the software have been corrected; however, some errors may remain.

Cited by 343 publications

References 8 publications

Canopy fuel characteristics and potential crown fire behavior in Aleppo pine (Pinus halepensis Mill.) forests

Canopy fuel characteristics and potential crown fire behavior in Aleppo pine (Pinus halepensis Mill.) forests

Proceedings of the 2002 fire conference: managing fire and fuels in the remaining wildlands and open spaces of the Southwestern United States

Estimativa do comportamento do fogo em queimas experimentais sob povoamentos de Pinus elliottii

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