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  • Wang, SifanBeijing Normal University (author)

Fire carbon emissions over Equatorial Asia reduced by shortened dry seasons

  • Article/chapterEnglish2023

Publisher, publication year, extent ...

  • 2023

Numbers

  • LIBRIS-ID:oai:gup.ub.gu.se/331260
  • https://gup.ub.gu.se/publication/331260URI
  • https://doi.org/10.1038/s41612-023-00455-7DOI
  • https://lup.lub.lu.se/record/56f38cdf-117f-4607-94e1-2fc99b269c9fURI
  • https://research.chalmers.se/publication/539297URI

Supplementary language notes

  • Language:English

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  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • Fire carbon emissions over Equatorial Asia (EQAS) play a critical role in the global carbon cycle. Most regional fire emissions (89.0%) occur in the dry season, but how changes in the dry-season length affect the fire emissions remains poorly understood. Here we show that, the length of the EQAS dry season has decreased significantly during 1979–2021, and the delayed dry season onset (5.4 ± 1.6 (± one standard error) days decade−1) due to increased precipitation (36.4 ± 9.1 mm decade−1) in the early dry season is the main reason. The dry season length is strongly correlated with the length of the fire season. Increased precipitation during the early dry season led to a significant reduction (May: −0.7 ± 0.4 Tg C decade−1; August: −12.9 ± 6.7 Tg C decade−1) in fire carbon emissions during the early and peak fire season. Climate models from the Coupled Model Intercomparison Project Phase 6 project a continued decline in future dry season length in EQAS under medium and high-emission scenarios, implying further reductions in fire carbon emissions.

Subject headings and genre

Added entries (persons, corporate bodies, meetings, titles ...)

  • He, BinBeijing Normal University (author)
  • Chen, Hans W.Lund University,Lunds universitet,MERGE: ModElling the Regional and Global Earth system,Centrum för miljö- och klimatvetenskap (CEC),Naturvetenskapliga fakulteten,Institutionen för naturgeografi och ekosystemvetenskap,Centre for Environmental and Climate Science (CEC),Faculty of Science,Dept of Physical Geography and Ecosystem Science,National Disaster Reduction Center of China(Swepub:cth)hansche (author)
  • Chen, Deliang,1961University of Gothenburg,Gothenburg University,Göteborgs universitet,Institutionen för geovetenskaper,Department of Earth Sciences(Swepub:cth)deliang (author)
  • Chen, YaningXinjiang Institute of Ecology and Geography Chinese Academy of Sciences,Chinese Academy of Sciences (author)
  • Yuan, WenpingSun Yat-sen University,Sun Yat-Sen University (author)
  • Shi, FengInstitute of Geology and Geophysics, Chinese Academy of Sciences,Chinese Academy of Sciences (author)
  • Duan, JianpingInstitute of Atmospheric Physics, Chinese Academy of Sciences,Chinese Academy of Sciences (author)
  • Wu, Wei (author)
  • Chen, TiexiNanjing University of Information Science and Technology,Qinghai Normal University (author)
  • Guo, LanlanBeijing Normal University (author)
  • Zhong, Ziqian,1995Beijing Normal University(Swepub:cth)ziqianz (author)
  • Duan, WeiliXinjiang Institute of Ecology and Geography Chinese Academy of Sciences,Chinese Academy of Sciences (author)
  • Li, ZhiXinjiang Institute of Ecology and Geography Chinese Academy of Sciences,Chinese Academy of Sciences (author)
  • Jiang, WeiguoBeijing Normal University (author)
  • Huang, LingPeking University (author)
  • Hao, XingmingAkesu National Station of Observation and Research for Oasis Agro-ecosystem,Xinjiang Institute of Ecology and Geography Chinese Academy of Sciences,Chinese Academy of Sciences (author)
  • Tang, RuiBeijing Normal University (author)
  • Liu, HuimingMinistry of Ecology and Environment Center for Satellite Application on Ecology and Environment (author)
  • Zhang, YafengBeijing Normal University (author)
  • Xie, XiaomingBeijing Normal University (author)
  • Beijing Normal UniversityMERGE: ModElling the Regional and Global Earth system (creator_code:org_t)

Related titles

  • In:npj Climate and Atmospheric Science6:12397-3722

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