Articles | Volume 23, issue 17
https://doi.org/10.5194/acp-23-9685-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-23-9685-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Atmospheric CO2 inversion reveals the Amazon as a minor carbon source caused by fire emissions, with forest uptake offsetting about half of these emissions
Luana S. Basso
CORRESPONDING AUTHOR
School of Geography, University of Leeds, Leeds, LS2 9JT, UK
General Coordination of Earth Science (CGCT), National Institute for Space Research (INPE), São José dos Campos, Brazil
Department of Biogeochemical Signals, Max Planck Institute for
Biogeochemistry, Jena, Germany
Chris Wilson
School of Earth and Environment, University of Leeds, Leeds, LS2 9JT, UK
National Centre for Earth Observation, University of Leeds, Leeds, LS2 9JT, UK
Martyn P. Chipperfield
School of Earth and Environment, University of Leeds, Leeds, LS2 9JT, UK
National Centre for Earth Observation, University of Leeds, Leeds, LS2 9JT, UK
Graciela Tejada
General Coordination of Earth Science (CGCT), National Institute for Space Research (INPE), São José dos Campos, Brazil
Henrique L. G. Cassol
General Coordination of Earth Science (CGCT), National Institute for Space Research (INPE), São José dos Campos, Brazil
School of GeoSciences and National Centre for Earth Observation, University of Edinburgh, Edinburgh, EH9 3FF, UK
Egídio Arai
General Coordination of Earth Science (CGCT), National Institute for Space Research (INPE), São José dos Campos, Brazil
Mathew Williams
School of GeoSciences and National Centre for Earth Observation, University of Edinburgh, Edinburgh, EH9 3FF, UK
T. Luke Smallman
School of GeoSciences and National Centre for Earth Observation, University of Edinburgh, Edinburgh, EH9 3FF, UK
Wouter Peters
Environmental Sciences Group, Wageningen University and Research, 6708PB, Wageningen, the Netherlands
University of Groningen, Centre for Isotope Research, 9747AG, Groningen, the Netherlands
Stijn Naus
Environmental Sciences Group, Wageningen University and Research, 6708PB, Wageningen, the Netherlands
Earth, SRON Netherlands Institute for Space Research, 2333CA, Leiden, the Netherlands
John B. Miller
NOAA – Global Monitoring Laboratory, Boulder, Colorado 80305, USA
Manuel Gloor
School of Geography, University of Leeds, Leeds, LS2 9JT, UK
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Cited
7 citations as recorded by crossref.
- Temporal Characteristics and Sources of PM2.5 in Porto Velho of Amazon Region in Brazil from 2020 to 2022 Y. Jang & G. Jung 10.3390/su151814012
- Constraining 2010–2020 Amazonian carbon flux estimates with satellite solar-induced fluorescence (SIF) A. Dayalu et al. 10.5194/bg-22-1509-2025
- Water deficit and storm disturbances co-regulate Amazon rainforest seasonality X. Lian et al. 10.1126/sciadv.adk5861
- Assessment of Fire Dynamics in the Amazon Basin Through Satellite Data H. Barbosa et al. 10.3390/atmos16020228
- Synthesis of the land carbon fluxes of the Amazon region between 2010 and 2020 T. Rosan et al. 10.1038/s43247-024-01205-0
- Assessing the Impact of Amazonian Fires on Atmospheric NO2 Using Satellite Data H. Barbosa & C. Buriti 10.3390/land14030482
- Monitoring the Multiple Stages of Climate Tipping Systems from Space: Do the GCOS Essential Climate Variables Meet the Needs? S. Loriani et al. 10.1007/s10712-024-09866-4
7 citations as recorded by crossref.
- Temporal Characteristics and Sources of PM2.5 in Porto Velho of Amazon Region in Brazil from 2020 to 2022 Y. Jang & G. Jung 10.3390/su151814012
- Constraining 2010–2020 Amazonian carbon flux estimates with satellite solar-induced fluorescence (SIF) A. Dayalu et al. 10.5194/bg-22-1509-2025
- Water deficit and storm disturbances co-regulate Amazon rainforest seasonality X. Lian et al. 10.1126/sciadv.adk5861
- Assessment of Fire Dynamics in the Amazon Basin Through Satellite Data H. Barbosa et al. 10.3390/atmos16020228
- Synthesis of the land carbon fluxes of the Amazon region between 2010 and 2020 T. Rosan et al. 10.1038/s43247-024-01205-0
- Assessing the Impact of Amazonian Fires on Atmospheric NO2 Using Satellite Data H. Barbosa & C. Buriti 10.3390/land14030482
- Monitoring the Multiple Stages of Climate Tipping Systems from Space: Do the GCOS Essential Climate Variables Meet the Needs? S. Loriani et al. 10.1007/s10712-024-09866-4
Latest update: 28 Mar 2025
Executive editor
The Amazon's role in the tropical and global carbon cycle is highly significant. Usually considered as the "lung of the planet", it is mandatory to monitor if this role is kept, or if the large rainforest even turns into a source of carbon dioxide. The study by Basso et al. finds that during the analysed years, from 2010 to 2018, the Amazon is a small net source of carbon to the atmosphere. They find that fire is the primary driver of the Amazonian source, while drought years intensify the carbon emissions. The study also examined the contributions of different regions to the Amazonian carbon budget and found that emissions in the eastern Amazon were greater than those in the western region, primarily due to fires. These findings are of high relevance - and concern - to the larger geosciences community and indicate how important it is to stop slash-and-burn in the large rainforests.
The Amazon's role in the tropical and global carbon cycle is highly significant. Usually...
Short summary
The Amazon’s carbon balance may have changed due to forest degradation, deforestation and warmer climate. We used an atmospheric model and atmospheric CO2 observations to quantify Amazonian carbon emissions (2010–2018). The region was a small carbon source to the atmosphere, mostly due to fire emissions. Forest uptake compensated for ~ 50 % of the fire emissions, meaning that the remaining forest is still a small carbon sink. We found no clear evidence of weakening carbon uptake over the period.
The Amazon’s carbon balance may have changed due to forest degradation, deforestation and...
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