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Journal Articles International Journal of Wildland Fire Year : 2022

Simulation-based high resolution fire danger mapping using deep learning

Abstract

Wildfire occurrence and behavior are difficult to predict very locally for the next day. In the present work, we use an artificial neural network emulator called DeepFire, trained on the basis of simulated fire sizes, and study its application to fire danger mapping using actual weather fore-1 casts. Experimental analysis is based on DeepFire forecasts for 13 relatively big fires that occurred in Corsica and corresponding forecasts based on a fire danger index used in operational conditions. A comparative analysis of both indices is presented, highlighting the differences in terms of precision and expected results of such predictions. Forcing weather forecasts used as input have high spatial resolution and high frequency, which also applies to the fire danger predictions. Additionally, input uncertainty is propagated through DeepFire, resulting in ensembles of emulated fire size. Eventually, several approaches are proposed to analyze the results and help in investing assessment of next-day fire danger using this new simulation-based prediction system.
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Dates and versions

hal-03189847 , version 1 (05-04-2021)

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Frédéric Allaire, Jean-Baptiste Filippi, Vivien Mallet, Florence Vaysse. Simulation-based high resolution fire danger mapping using deep learning. International Journal of Wildland Fire, 2022, 31 (4), pp.379-394. ⟨10.1071/WF21143⟩. ⟨hal-03189847⟩
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