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2020-05-16

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cc-by (c) Xifré Salvadó, Miquel Àngel et al., 2020
Si us plau utilitzeu sempre aquest identificador per citar o enllaçar aquest document: https://hdl.handle.net/2445/174929

Smouldering combustion dynamics of a soil from a Pinus halepensis Mill. forest. A case study of the Rocallaura fires in Northeastern Spain

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https://doi.org/10.3390/app10103449

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This study analyses the smouldering combustion on soils that took place during the wildfires that occurred in Rocallaura (Northeastern Spain). The smouldering combustion after the first event, 23 June, was the potential source of flaming fire re-ignition of the second event, 19 July 2016. Re-ignitions are an important challenge for the firefighting system. Budget and e orts are spent on controlling these re-ignitions that can ultimately cause the collapse of the response system if the re-ignitions happen during periods of simultaneous fire events. Our objective is to contribute to better understand the dynamics of the smouldering combustion of organic soils associated with these wildfires and the impact on the Pinus halepensis Mill. forest ecosystem. Transects were established in adjacent control and post-fire zones. Laboratory analyses were conducted to determine some physical and chemical properties of both the du and mineral soil. Using these variables, we estimate thresholds of du ignition probability, percentage of du consumption and smouldering combustion spread rates. Overall, we provide a set of tools for evaluating re-ignitions in forest ecosystems. We conclude that the concept of fire persistence should be a new variable for consideration in present and future analysis of fire regimes and demonstrates the significance of introducing smouldering combustion and re-ignition within the strategic framework of the wildfire hazard and integrating these phenomena into forest planning and management.

Matèries

Combustió, Incendis forestals, Ecosistemes, Espanya

Matèries (anglès)

Combustion, Forest fires, Biotic communities, Spain

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Articles publicats en revistes (Geografia)

Citació

XIFRÉ SALVADÓ, Miquel àngel, PRAT GUITART, Núria, FRANCOS, Marcos, ÚBEDA, Xavier, CASTELLNOU, Marc. Smouldering combustion dynamics of a soil from a Pinus halepensis Mill. forest. A case study of the Rocallaura fires in Northeastern Spain. _Applied Sciences_. 2020. Vol. 10, núm. 10. [consulta: 26 de desembre de 2025]. ISSN: 2076-3417. [Disponible a: https://hdl.handle.net/2445/174929]

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