Spatiotemporal analysis of fire occurrence along the Carajás Railway corridor, Eastern Amazon (2012–2021)

Autores

DOI:

https://doi.org/10.5380/raega.v65i1.103356

Resumo

Fire is commonly used in the Amazon for land clearing and management, resulting in significant environmental and climatic impacts, including greenhouse gas emissions, biodiversity loss, and air pollution. Understanding the spatiotemporal dynamics of fire occurrences is essential for improving prevention strategies and prioritizing areas for monitoring and control. This study aims to analyze the spatial and temporal distribution of fire hot spots along the Carajás Railway (CR), which connects mining areas in southeastern Pará to the port in Maranhão. We examined detected satellite-based hot spots from 2012 to 2021 across 28 municipalities intersected by the railway. We combined intra-annual and interannual analyses with land use and land cover classifications from the MapBiomas Project and applied Kernel Density Estimation to identify high-risk zones over time. The results indicate that fire activity peaks occurred in 2015 and 2017, largely influenced by El Niño events, with fire-prone zones shifting spatially throughout the fire season. Pastures accounted for over 98,000 fire records, followed by forest formations with over 62,000, reflecting the vulnerability of both anthropogenic and native landscapes. The findings highlight the importance of integrating fire forecasts with climatic and land-use monitoring to inform adaptive management strategies along key infrastructure corridors in the Eastern Amazon.

Biografia do Autor

Aécio Marcos Cunha, Instituto Tecnológico Vale

Environmental and Sanitary Engineer, Master's degree in Sustainable Use of Natural Resources in Tropical Regions and specialist in Occupational Safety Engineering

Emily Ane Dionízio, Instituto Tecnológico Vale

I am an Environmental Scientist with a focus on climate change and mitigation solutions for agriculture, industry, and land-use sectors. I am currently a GHG Protocol specialist at the World Resources Institute.

Paulo Rógenes Monteiro Pontes, Instituto Tecnológico Vale

Civil Engineer, Master's and PhD in Water Resources and Environmental Sanitation, researcher and professor in the Master's program in Sustainable Use of Natural Resources in Tropical Regions at the Vale Technological Institute.

Rosane Barbosa Lopes Cavalcante, Instituto Tecnológico Vale

Civil Engineer, Master's and PhD in Water Resources and Environmental Sanitation, researcher and professor in the Master's program in Sustainable Use of Natural Resources in Tropical Regions at the Vale Technological Institute.

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Publicado

2026-04-24

Como Citar

Cunha, A. M., Dionízio, E. A., Pontes, P. R. M., & Cavalcante, R. B. L. (2026). Spatiotemporal analysis of fire occurrence along the Carajás Railway corridor, Eastern Amazon (2012–2021). Ra’e Ga: O Espaço Geográfico Em Análise, 65(1), 117–136. https://doi.org/10.5380/raega.v65i1.103356