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Event-based integrated assessment of environmental variables and wildfire severity through Sentinel-2 data

Author(s): Juan Picos, Laura Alonso, Guillermo Bastos, Julia Armesto
Year Published: 2019
Description:

To optimize suppression, restoration, and prevention plans against wildfire, postfire assessment is a key input. Since little research has been carried out on applying Sentinel-2 imagery through an integrated approach to evaluate how environmental parameters affect fire severity, this work aims to fill this gap. A set of large forest fires that occurred in northwest Spain during extreme weather conditions were adopted as a case study. Sentinel-2 information was used to build the fire severity map and to evaluate the relation between it and a set of its driving factors: land cover, aspect, slope, proximity to the nearest stream, and fire recurrence. The cover types most affected by fire were scrubland, rocky areas, and Eucalyptus. The presence of streams was identified as a major cause of the reduced severity of fires in broadleaves. The occurrence of fires in the past is linked to the severity of fires, depending on the land cover. This research aims to help fire researchers, authority managers, and policy makers distinguish the conditions under which the damage by fire is minimized and optimize the resources allocated to restoration and future fire suppression.

Citation: Picos, Juan; Alonso, Laura; Bastos, Guillermo; Armesto, Julia. 2019. Event-based integrated assessment of environmental variables and wildfire severity through Sentinel-2 data. Forests 10(11):1021. https://doi.org/10.3390/f10111021
Topic(s): Fire Effects, Ecological - Second Order, Vegetation, Fire Regime, Fire Intensity / Burn Severity, Recovery after fire, Restoration
Ecosystem(s): None
Document Type: Book or Chapter or Journal Article
NRFSN number: 20478
FRAMES RCS number: 59046
Record updated: Dec 16, 2019