What question did this study set out to answer?

This research explores how climate influences wildfire ignition, spread, and intensity in Chad's semi-arid environments.

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June 3, 2026Open Access

Climate drives ignition, firebreak limit spread and intensity: wildfire controls in semi-arid protected area in Chad

Key Points

This research explores how climate influences wildfire ignition, spread, and intensity in Chad's semi-arid environments.
Utilized BACI-GAMM analyses to assess firebreak effectiveness on ignition and spread.
Analyzed data from 2005 to 2024 using annual environmental rasters and fire metrics.
Employed Google Earth Engine for remote-sensing data extraction and analysis.
Documented firebreaks significantly reduce fire spread and intensity in modeled scenarios.
BACI-GAMM analysis reveals a clear correlation between climate factors and fire ignition rates.

Abstract

This repository provides the complete data, code, and remote-sensing acquisition pipeline supporting the wildfire controls study of the "Ouadi-Rimé Ouadi-Achim Faunal Reserve (OROAFR - Chad). It consists of two archives: (1) Chap₂dataₐndₛcripts. zip — containing annual environmental rasters, fire metrics, vector layers, and eight R scripts implementing BACI-GAMM analyses of firebreak effectiveness on fire ignition, spread, and intensity over 2005–2024; and (2) GEE. 7z — containing eleven Google Earth Engine JavaScript scripts used to extract and export all raw remote-sensing inputs from MODIS, CHIRPS, CHIRTS, ERA5-Land, MERIT Hydro, and SRTM. Together, these archives constitute a fully reproducible data and analytical workflow. Detailed README files accompany each archive.

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