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Fire Paradox: Internal Report 3.4-4. Fuel description and modelling

Cassagne, Nathalie ; Pimont, François ; Rigolot, Eric ; Dupuy, Jean-Luc ; Moro, Claude ; Petit, Philippe ; Portier, Denis ; Valette, J-Charles ; Curt, Thomas ; Schaffhauser, Alice ; Borgniet, Laurent ; Estève, Roland ; Ganteaume, Anne ; Jappiot, Marielle ; Martin, Willy ; N’diaye, Aminata

2009

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  • Título:
    Fire Paradox: Internal Report 3.4-4. Fuel description and modelling
  • Autor: Cassagne, Nathalie ; Pimont, François ; Rigolot, Eric ; Dupuy, Jean-Luc ; Moro, Claude ; Petit, Philippe ; Portier, Denis ; Valette, J-Charles ; Curt, Thomas ; Schaffhauser, Alice ; Borgniet, Laurent ; Estève, Roland ; Ganteaume, Anne ; Jappiot, Marielle ; Martin, Willy ; N’diaye, Aminata
  • Assuntos: Life Sciences
  • Descrição: A total of 58 fuel complexes from the limestone and siliceous Provence region in South- Eastern France have been analysed with the physically based fire behaviour model, FIRETEC. Simulations have been carried out under realistic weather conditions for Mediterranean summer period with a wind blowing at 10 m s-1 (36 km h-1) and with no slope in plot. Fuel complexes, illustrating forests and woodlands, shrublands, garrigues and grassland situations, have been described in term of cover fraction, height, fuel load, area per volume ratio and moisture content. Predictable fire line intensity and rate of spread have been identified for each fuel complex leading to their classification related to similar potential fire behaviour. Structural properties of the vegetation have been chosen as important criteria that might explain the fire behaviour to propose a new classification in 10 fuel models. Our results seem to show the importance of Oak trees in the increase in fire risk when the shrub cover is relatively high. However improving knowledge on fuel characteristics on trees and particularly on Oak species is still necessary to assess correctly potential fire behaviour with FIRETEC model. From this first results future fire simulations can be suggested to complete this preliminary fuel model classification, including communities of low oak stand, high pine stand (trees > 10m) or high garrigues
  • Data de criação/publicação: 2009
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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