1990
DOI: 10.4267/2042/26171
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Inflammabilités des espèces forestières méditerranéennes. Conséquences sur la combustibilité des formations forestières

Abstract: W Conséquences sur la combustibilité des formations forestières L'évolution de l'état hydrique du combustible forestierEn région méditerranéenne française, l'absence de précipitations durant des périodes supé-rieures à deux mois, la température de l'air, supérieure à 35°C sous abri et à 45°C en plein découvert à ras du sol, et l'humidité atmosphérique, inférieure à 30 %, modifient non seulement l'état hydrique des végétaux morts et de leurs débris (feuilles ou aiguilles, brindilles, morceaux d'écorce), mais ég… Show more

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Cited by 64 publications
(94 citation statements)
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“…However, if the sensitivity of the canopy reflectance to vegetation water content is demonstrated, the radiometric quality of the signal registered by the space borne sensors is still depending on its dynamic range and signal-to-noise ratio, both depending on the impact of atmospheric scattering and bi-directional effects. The question of the radiometric quality of the data is even more crucial if the variation of the vegetation water context itself is narrow, as it has been observed by ground measurements on several species in the Mediterranean basin [99].…”
Section: Soil Moisture and Vegetation Water Stressmentioning
confidence: 99%
“…However, if the sensitivity of the canopy reflectance to vegetation water content is demonstrated, the radiometric quality of the signal registered by the space borne sensors is still depending on its dynamic range and signal-to-noise ratio, both depending on the impact of atmospheric scattering and bi-directional effects. The question of the radiometric quality of the data is even more crucial if the variation of the vegetation water context itself is narrow, as it has been observed by ground measurements on several species in the Mediterranean basin [99].…”
Section: Soil Moisture and Vegetation Water Stressmentioning
confidence: 99%
“…Such fires are exacerbated by litter and shrub abundance, which are known for their propensity for recurrent fire besides the importance of fire for plant reproduction [3]. Reducing the fuel hazard requires a realistic flammability ranking of forest fuels [2,[4][5][6], which would result in the rigorous selection of fire-resistant species appropriate for afforestation as part of a forest fire management plan [2,4,[6][7][8].…”
Section: Introductionmentioning
confidence: 99%
“…Few studies have tried to assess flammability using field-scale fire experiments [10] due to authorization, safety and cost constraints [9,11,12], while the most studies performed standardized laboratory-scale flammability measurements [2,5,7,[12][13][14][15][16][17][18][19][20][21], including some recent studies that still use the method of Valette [2,7,12,15]. Some of these methods have the disadvantage of using ground samples (do not take into account the fuel structure) and are criticized for combustion tests under conditions different from the natural conditions [1].…”
Section: Introductionmentioning
confidence: 99%
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“…The field sampling was performed during the similar wind and weather condition as it was on the date of accident. Vegetation ignitability and flammability was tested using the methodology described by Valette [2] based on standard quartz epiradiator measurements. The detailed vegetation analysis is presented in the paper by Španjol et al [3].…”
Section: The Kornat Accident Placementioning
confidence: 99%