Articles | Volume 18, issue 4
https://doi.org/10.5194/bg-18-1375-2021
https://doi.org/10.5194/bg-18-1375-2021
Research article
 | 
23 Feb 2021
Research article |  | 23 Feb 2021

Intraseasonal variability of greenhouse gas emission factors from biomass burning in the Brazilian Cerrado

Roland Vernooij, Marcos Giongo, Marco Assis Borges, Máximo Menezes Costa, Ana Carolina Sena Barradas, and Guido R. van der Werf

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Cited articles

Abreu, R. C. R., Hoffmann, W. A., Vasconcelos, H. L., Pilon, N. A., Rossatto, D. R., and Durigan, G.: The biodiversity cost of carbon sequestration in tropical savanna, Sci. Adv., 3, 1–8, https://doi.org/10.1126/sciadv.1701284, 2017. 
Akagi, S. K., Yokelson, R. J., Wiedinmyer, C., Alvarado, M. J., Reid, J. S., Karl, T., Crounse, J. D., and Wennberg, P. O.: Emission factors for open and domestic biomass burning for use in atmospheric models, Atmos. Chem. Phys., 11, 4039–4072, https://doi.org/10.5194/acp-11-4039-2011, 2011. 
Anderson, R., Beatty, R., Russell-Smith, J., and van der Werf, G. R.: The global potential of indigenous fire management: findings of the regional feasibility assessments, UNU-IAS, Tokyo, available at: https://i.unu.edu/media/tfm.unu.edu/news/2151/Final-Report-Findings-Regional-Feasibility-Assessments-ISFMI.pdf (last access: 19 February 2021), 2015. 
Andreae, M. O.: Emission of trace gases and aerosols from biomass burning – an updated assessment, Atmos. Chem. Phys., 19, 8523–8546, https://doi.org/10.5194/acp-19-8523-2019, 2019. 
Andreae, M. O. and Merlet, P.: Emission of trace gases and aerosols from biomass burning, Biogeochemistry, 15, 955–966, https://doi.org/10.1029/2000GB001382, 2001. 
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Short summary
We used drones to measure greenhouse gas emission factors from fires in the Brazilian Cerrado. We compared early-dry-season management fires and late-dry-season fires to determine if fire management can be a tool for abating emissions. Although we found some evidence of increased CO and CH4 emission factors, the seasonal effect was smaller than that found in previous studies. For N2O, the third most important greenhouse gas, we found opposite trends in grass- and shrub-dominated areas.
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