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Multi-decadal increase of forest burned area in Australia is linked to climate change

Nature communications, 2021-11, Vol.12 (1), p.6921-11, Article 6921 [Peer Reviewed Journal]

2021. The Author(s). ;The Author(s) 2021. This work is published under http://creativecommons.org/licenses/by/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. ;The Author(s) 2021 ;ISSN: 2041-1723 ;EISSN: 2041-1723 ;DOI: 10.1038/s41467-021-27225-4 ;PMID: 34836974

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  • Title:
    Multi-decadal increase of forest burned area in Australia is linked to climate change
  • Author: Canadell, Josep G ; Meyer, C P Mick ; Cook, Garry D ; Dowdy, Andrew ; Briggs, Peter R ; Knauer, Jürgen ; Pepler, Acacia ; Haverd, Vanessa
  • Subjects: Anthropogenic factors ; Climate change ; Climate variability ; Forest fires ; Forests ; Risk analysis ; Risk factors ; Thunderstorms ; Weather ; Wildfires
  • Is Part Of: Nature communications, 2021-11, Vol.12 (1), p.6921-11, Article 6921
  • Description: Fire activity in Australia is strongly affected by high inter-annual climate variability and extremes. Through changes in the climate, anthropogenic climate change has the potential to alter fire dynamics. Here we compile satellite (19 and 32 years) and ground-based (90 years) burned area datasets, climate and weather observations, and simulated fuel loads for Australian forests. Burned area in Australia's forests shows a linear positive annual trend but an exponential increase during autumn and winter. The mean number of years since the last fire has decreased consecutively in each of the past four decades, while the frequency of forest megafire years (>1 Mha burned) has markedly increased since 2000. The increase in forest burned area is consistent with increasingly more dangerous fire weather conditions, increased risk factors associated with pyroconvection, including fire-generated thunderstorms, and increased ignitions from dry lightning, all associated to varying degrees with anthropogenic climate change.
  • Publisher: England: Nature Publishing Group
  • Language: English
  • Identifier: ISSN: 2041-1723
    EISSN: 2041-1723
    DOI: 10.1038/s41467-021-27225-4
    PMID: 34836974
  • Source: Open Access: DOAJ Directory of Open Access Journals
    Open Access: PubMed Central
    AUTh Library subscriptions: ProQuest Central
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