Articles | Volume 23, issue 13
https://doi.org/10.5194/acp-23-7781-2023
https://doi.org/10.5194/acp-23-7781-2023
Research article
 | 
14 Jul 2023
Research article |  | 14 Jul 2023

Spatiotemporal variation characteristics of global fires and their emissions

Hao Fan, Xingchuan Yang, Chuanfeng Zhao, Yikun Yang, and Zhenyao Shen

Data sets

Wildfire CODE AND DATA Hao Fan https://doi.org/10.5281/zenodo.7997467

A spatio-temporal active-fire clustering approach for global burned area mapping at 250 m from MODIS data (https://climate.esa.int/en/projects/fire/data/) J. Lizundia-Loiola, G. Otón, R. Ramo, and E. Chuvieco https://doi.org/10.1016/j.rse.2019.111493

The Collection 6 MODIS burned area mapping algorithm and product (https://modis-fire.umd.edu/ba.html) L. Giglio, L. Boschetti, D. P. Roy, M. L. Humber, and C. O. Justice https://doi.org/10.1016/j.rse.2018.08.005

Biomass burning emissions estimated with a global fire assimilation system based on observed fire radiative power (https://atmosphere.copernicus.eu/global-fire-emissions/) J. W. Kaiser, A. Heil, M. O. Andreae, A. Benedetti, N. Chubarova, L. Jones, J.-J. Morcrette, M. Razinger, M. G. Schultz, M. Suttie, and G. R. van der Werf https://doi.org/10.5194/bg-9-527-2012

ERA5 monthly averaged data on single levels from 1940 to present H. Hersbach, B. Bell, P. Berrisford, G. Biavati, A. Horányi, J. Muñoz Sabater, J. Nicolas, C. Peubey, R. Radu, I. Rozum, D. Schepers, A. Simmons, C. Soci, D. Dee, and J.-N. Thépaut https://doi.org/10.24381/cds.f17050d7

The collection 6 MODIS active fire detection algorithm and fire products (https://firms.modaps.eosdis.nasa.gov/download/) L. Giglio, W. Schroeder, and C. O. Justice https://doi.org/10.1016/j.rse.2016.02.054

Model code and software

Wildfire CODE AND DATA Hao Fan https://doi.org/10.5281/zenodo.7997467

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Short summary
Using 20-year multi-source data, this study shows pronounced regional and seasonal variations in fire activities and emissions. Seasonal variability of fires is larger with increasing latitude. The increase in temperature in the Northern Hemisphere's middle- and high-latitude forest regions was primarily responsible for the increase in fires and emissions, while the changes in fire occurrence in tropical regions were more influenced by the decrease in precipitation and relative humidity.
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