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Generation and Mapping of Fuel Types for Fire Risk Assessment

Author(s): Elena Aragoneses, Emilio Chuvieco
Year Published: 2021
Description:

Fuel mapping is key to fire propagation risk assessment and regeneration potential. Previous studies have mapped fuel types using remote sensing data, mainly at local-regional scales, while at smaller scales fuel mapping has been based on general-purpose global databases. This work aims to develop a methodology for producing fuel maps across European regions to improve wildland fire risk assessment. A methodology to map fuel types on a regional-continental scale is proposed, based on Sentinel-3 images, horizontal vegetation continuity, biogeographic regions, and biomass data. A vegetation map for the Iberian Peninsula and the Balearic Islands was generated with 85% overall accuracy (category errors between 3% and 28%). Two fuel maps were generated: (1) with 45 customized fuel types, and (2) with 19 fuel types adapted to the Fire Behaviour Fuel Types (FBFT) system. The mean biomass values of the final parameterized fuels show similarities with other fuel products, but the biomass values do not present a strong correlation with them (maximum Spearman’s rank correlation: 0.45) because of the divergences in the existing products in terms of considering the forest overstory biomass or not.

Citation: Aragoneses, Elena; Chuvieco, Emilio. 2021. Generation and mapping of fuel types for fire risk assessment. Fire 4(3):59. https://doi.org/10.3390/fire4030059
Topic(s): Fire Behavior, Mapping, Fuels, Risk
Ecosystem(s): None
Document Type: Book or Chapter or Journal Article
NRFSN number: 23608
FRAMES RCS number: 64516
Record updated: Oct 18, 2021