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Impact of Amazonian Fires on Atmospheric CO₂

Jiang, Xun and Li, King‐Fai and Liang, Mao‐Chang and Yung, Yuk L. (2021) Impact of Amazonian Fires on Atmospheric CO₂. Geophysical Research Letters, 48 (5). Art. No. e2020GL091875. ISSN 0094-8276. https://resolver.caltech.edu/CaltechAUTHORS:20210301-134944883

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Abstract

Amazon rainforest fires have significant environmental and societal impacts, but the mechanism and impact of the fires on the regional and global carbon cycles have not been fully understood. Over the rainforest, less precipitation, higher surface temperature, and enhanced mid‐tropospheric sinking air over the eastern part of the Amazon characterized the fire/dry season. These meteorological conditions will facilitate more fires in the Amazon rainforest. Using the Orbiting Carbon Observatory‐2 column CO₂, we notice that there are ∼2 ppm more CO₂ over the Amazon compared with the surrounding area during the fire season. The higher concentrations of atmospheric CO₂ are related to the surface biomass burning, enhanced sinking air over the eastern part of the Amazon, and surface winds. Results from this study can help us better understand the carbon sources and sinks over the Amazon during the fire/dry season.


Item Type:Article
Related URLs:
URLURL TypeDescription
https://doi.org/10.1029/2020gl091875DOIArticle
https://psl.noaa.gov/data/gridded/data.gpcp.htmlRelated ItemGPCP Version 2.3 precipitation data
https://psl.noaa.gov/data/gridded/data.ncep.reanalysis2.htmlRelated ItemNCEP2 Reanalysis data
https://co2.jpl.nasa.gov/#mission=OCO‐2Related ItemOCO‐2 Version 9 column CO₂ data
https://airs.jpl.nasa.gov/data/get-data/standard-dataRelated ItemAIRS Version 6 column CO data
https://www.geo.vu.nl/~gwerf/GFED/GFED4Related ItemGFED Version 4.1 data
https://modis-fire.umd.eduRelated ItemMODIS burned area data
ORCID:
AuthorORCID
Jiang, Xun0000-0001-8932-3807
Li, King‐Fai0000-0003-0150-2910
Liang, Mao‐Chang0000-0002-5294-9344
Yung, Yuk L.0000-0002-4263-2562
Alternate Title:Impact of Amazonian Fires on Atmospheric CO2
Additional Information:© 2021 American Geophysical Union. Issue Online: 26 February 2021; Version of Record online: 26 February 2021; Accepted manuscript online: 16 February 2021; Manuscript accepted: 04 February 2021; Manuscript revised: 02 February 2021; Manuscript received: 01 December 2020. We thank R.‐L. Shia for helpful comments. We thank two anonymous referees and the editor for their time and constructive suggestions. X. Jiang is supported by NASA ROSES Cassini Data Analysis Program. K.‐F. Li is partially supported by NASA JPL Subcontracts 1631379 and 1653138. M.‐C. Liang is supported by Ministry of Science and Technology, Taiwan (grant no. 108‐2111‐M‐001‐011‐MY3) and Academia Sinica (grant no. AS‐IA‐109‐M03). Y. L. Yung is supported by the NASA OCO‐2 project. Data Availability Statement: GPCP Version 2.3 precipitation data are available at https://psl.noaa.gov/data/gridded/data.gpcp.html. NCEP2 Reanalysis data are available at https://psl.noaa.gov/data/gridded/data.ncep.reanalysis2.html. OCO‐2 Version 9 column CO₂ data are available at https://co2.jpl.nasa.gov/#mission=OCO‐2. AIRS Version 6 column CO data are available at https://airs.jpl.nasa.gov/data/get‐data/standard‐data/. GFED Version 4.1 data are available at https://www.geo.vu.nl/∼gwerf/GFED/GFED4/. MODIS burned area data are available at http://modis‐fire.umd.edu/.
Funders:
Funding AgencyGrant Number
JPL1631379
JPL1653138
Ministry of Science and Technology (Taipei)108‐2111‐M‐001‐011‐MY3
Academia SinicaAS‐IA‐109‐M03
NASA80NSSC20K0479
Issue or Number:5
Record Number:CaltechAUTHORS:20210301-134944883
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20210301-134944883
Official Citation:Jiang, X., Li, K.‐F., Liang, M.‐C., & Yung, Y. L. (2021). Impact of Amazonian fires on atmospheric CO2. Geophysical Research Letters, 48, e2020GL091875. https://doi.org/10.1029/2020GL091875
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:108253
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:01 Mar 2021 22:52
Last Modified:01 Mar 2021 22:52

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