A conceptual framework for ranking crown fire potential in wildland fuelbeds

作者: Mark D. Schaaf , David V. Sandberg , Maarten D. Schreuder , Cynthia L. Riccardi

DOI: 10.1139/X07-102

关键词: Crown FireForestryGeography

摘要: This paper presents a conceptual framework for ranking the crown fire potential of wildland fuelbeds with forest canopies. approach extends work by Van Wagner and Rothermel, introduces several new physical concepts to modeling behaviour derived from reformulated Rothermel surface proposed Sandberg et al. (this issue). forms basis calculating potentials Fuel Character- istic Classification System (FCCS) (Ottmar al., this Two are (i) torching (TP) (ii) active (AP). A systematic comparison TP AP against field ob- servations Crown Fire Initiation Spread (CFIS) model outputs produced encouraging results, suggesting that FCCS might be useful tool managers consider when fires or evalu- ating relative in Resume´ : Cet article presente un cadre conceptuel pour classer le potentiel de feu cimes des couches combustibles en milieu naturel ouil y canopees forestieres. Cette approche pousse plus loin les travaux Roth- ermel introduit plusieurs physiques nouveaux dans la modelisation du comportement feux derives reformules proposes par Sandburg (ce numero). Ce forme base calculer potentiels systeme classifica- tion caracteristiques (SCCC) ce Deux nouvelles possibilites sont proposees possibilitede flambee chandelle cime dependant. Une comparaison systematique ces deux types avec observations sur terrain previsions modele l'Ecole canadienne d'enquetes incendies donnedes resultats encourageants. Ces indiquent que SCCC pourrait s'averer outil utile responsables gestion devraient considerer ou evaluer relatif (Traduit Redaction)

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