South America is becoming warmer, drier, and more flammable

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dc.contributor.authorFeron , Sarah
dc.contributor.authorCordero , Raúl R.
dc.contributor.authorDamiani , Alessandro
dc.contributor.authorMacDonell, Shelley
dc.contributor.authorPizarro , Jaime
dc.contributor.authorGoubanova , Katerina
dc.contributor.authorValenzuela , Raúl
dc.contributor.authorWang , Chenghao
dc.contributor.authorRester , Lena
dc.contributor.authorBeaulieu , Anne
dc.date.accessioned2025-02-06T22:54:36Z
dc.date.available2025-02-06T22:54:36Z
dc.date.issued2024
dc.description.abstractSouth America is experiencing severe impacts from climate change. Although the warming of the subcontinent closely follows the global path, the rise of temperatures has been more pronounced in some regions, which have also seen a parallel increment in the occurrence of droughts and weather conditions associated with enhanced fire risk. Here, we use reanalysis datasets to analyze the progression of the concurring warm, dry, and high fire risk conditions (i.e., dry compounds) since 1971. We show that the frequency of these compound extremes has surged in key South American regions including the northern Amazon, which have seen a 3-fold increase in the number of days per year with extreme fire weather conditions (including high temperatures, dryness, and low humidity). Our results also suggest that the surface temperature of the tropical Pacific Ocean modulates the interannual variability of dry compounds in South America. While El Niño enhances the fire risk in the northern Amazon, dry extremes in the Gran Chaco region appear to be more responsive to La Niña.
dc.identifier.citationFeron S, Cordero RR, Damiani A, MacDonell S, Pizarro J, Goubanova K, Valenzuela R, Wang C, Rester L, Beaulieu A (2024). South America is becoming warmer, drier, and more flammable. Communications Earth and Environment. 5(1).
dc.identifier.doihttp://doi.org/10.1038/s43247-024-01654-7
dc.identifier.issn2662-4435
dc.identifier.urihttps://hdl.handle.net/10092/107969
dc.languageen
dc.publisherSpringer Science and Business Media LLC
dc.rights© The Author(s) 2024. Open Access This article is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License, which permits any non-commercial use, sharing, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if you modified the licensed material. You do not have permission under this licence to share adapted material derived from this article or parts of it. The images or other third party material in this article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article’s CreativeCommons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/bync- nd/4.0/.
dc.rights.urihttp://hdl.handle.net/10092/17651
dc.subject.anzsrc41 - Environmental sciences::4101 - Climate change impacts and adaptation::410102 - Ecological impacts of climate change and ecological adaptation
dc.subject.anzsrc37 - Earth sciences::3702 - Climate change science::370202 - Climatology
dc.titleSouth America is becoming warmer, drier, and more flammable
dc.typeJournal Article
uc.collegeFaculty of Science
uc.departmentSchool of Earth and Environment
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