期刊论文详细信息
Fire Ecology
Operational fuel model map for Atlantic landscapes using ALS and Sentinel-2 images
Original Research
Domingo M. Molina-Terrén1  Thais Rincón2  Juan Picos2  Carmen Becerra2  Julia Armesto3  Laura Alonso3  Ana Solares-Canal3 
[1] Department of Forest and Agriculture Science and Engineering, University of Lleida, Alcalde Rovira Roure 191, 25198, Lleida, Spain;Forestry Engineering School, University of Vigo (Universidade de Vigo), A Xunqueira Campus, 36005, Pontevedra, Spain;Forestry Engineering School, University of Vigo (Universidade de Vigo), A Xunqueira Campus, 36005, Pontevedra, Spain;CINTECX, GESSMin Group (Safe and Sustainable Management of Mineral Resources), 36310, Vigo, Spain;
关键词: Fuel model map;    Galicia;    Remote sensing;    Simulation software;    Wildfire;    Wildfire prevention;   
DOI  :  10.1186/s42408-023-00218-y
 received in 2023-02-13, accepted in 2023-09-10,  发布年份 2023
来源: Springer
PDF
【 摘 要 】

BackgroundIn the new era of large, high-intensity wildfire events, new fire prevention and extinction strategies are emerging. Software that simulates fire behavior can play a leading role. In order for these simulators to provide reliable results, updated fuel model maps are required. Previous studies have shown that remote sensing is a useful tool for obtaining information about vegetation structures and types. However, remote sensing technologies have not been evaluated for operational purposes in Atlantic environments. In this study, we describe a methodology based on remote sensing data (Sentinel-2 images and aerial point clouds) to obtain updated fuel model maps of an Atlantic area. These maps could be used directly in wildfire simulation software.ResultsAn automated methodology has been developed that allows for the efficient identification and mapping of fuel models in an Atlantic environment. It mainly consists of processing remote sensing data using supervised classifications to obtain a map with the geographical distribution of the species in the study area and maps with the geographical distribution of the structural characteristics of the forest covers. The relationships between the vegetation species and structures in the study area and the Rothermel fuel models were identified. These relationships enabled the generation of the final fuel model map by combining the different previously obtained maps. The resulting map provides essential information about the geographical distribution of fuels; 32.92% of the study area corresponds to models 4 and 7, which are the two models that tend to develop more dangerous behaviors. The accuracy of the final map is evaluated through validation of the maps that are used to obtain it. The user and producer accuracy ranged between 70 and 100%.ConclusionThis paper describes an automated methodology for obtaining updated fuel model maps in Atlantic landscapes using remote sensing data. These maps are crucial in wildfire simulation, which supports the modern wildfire suppression and prevention strategies. Sentinel-2 is a global open access source, and LiDAR is an extensively used technology, meaning that the approach proposed in this study represents a step forward in the efficient transformation of remote sensing data into operational tools for wildfire prevention.

【 授权许可】

CC BY   
© Association for Fire Ecology 2023

【 预 览 】
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Table 1 278KB Table download
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