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Fire carbon emissions over Equatorial Asia reduced by shortened dry seasons

文献类型：期刊论文

作者Wang, Sifan9; He, Bin9; Chen, Hans W.8; Chen, Deliang7; Chen, Yaning13; Yuan, Wenping12; Shi, Feng11; Duan, Jianping10; Wu, Wei1; Chen, Tiexi2,3
刊名NPJ CLIMATE AND ATMOSPHERIC SCIENCE
出版日期2023-08-28
卷号6期号:1页码:9
ISSN号2397-3722
DOI10.1038/s41612-023-00455-7
英文摘要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 +/- 9.1mm 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.
WOS关键词INTERANNUAL VARIABILITY ; AREA ; INDONESIA ; RAINFALL ; DATASET ; LENGTH ; RAINY ; PEAT ; ENSO
资助项目This work is financially supported by the Cross Team Project of the "Light of West China" Program of Chinese Academy of Sciences (No: E0284101), and the National Key Scientific Research and Development Program of China (Grants 2017YFA0603604).[2017YFA0603604] ; Cross Team Project of the "Light of West China" Program of Chinese Academy of Sciences ; National Key Scientific Research and Development Program of China ; [E0284101]
WOS研究方向Meteorology & Atmospheric Sciences
语种英语
出版者NATURE PORTFOLIO
WOS记录号WOS:001057143700002
资助机构This work is financially supported by the Cross Team Project of the "Light of West China" Program of Chinese Academy of Sciences (No: E0284101), and the National Key Scientific Research and Development Program of China (Grants 2017YFA0603604). ; This work is financially supported by the Cross Team Project of the "Light of West China" Program of Chinese Academy of Sciences (No: E0284101), and the National Key Scientific Research and Development Program of China (Grants 2017YFA0603604). ; Cross Team Project of the "Light of West China" Program of Chinese Academy of Sciences ; Cross Team Project of the "Light of West China" Program of Chinese Academy of Sciences ; National Key Scientific Research and Development Program of China ; National Key Scientific Research and Development Program of China ; This work is financially supported by the Cross Team Project of the "Light of West China" Program of Chinese Academy of Sciences (No: E0284101), and the National Key Scientific Research and Development Program of China (Grants 2017YFA0603604). ; This work is financially supported by the Cross Team Project of the "Light of West China" Program of Chinese Academy of Sciences (No: E0284101), and the National Key Scientific Research and Development Program of China (Grants 2017YFA0603604). ; Cross Team Project of the "Light of West China" Program of Chinese Academy of Sciences ; Cross Team Project of the "Light of West China" Program of Chinese Academy of Sciences ; National Key Scientific Research and Development Program of China ; National Key Scientific Research and Development Program of China ; This work is financially supported by the Cross Team Project of the "Light of West China" Program of Chinese Academy of Sciences (No: E0284101), and the National Key Scientific Research and Development Program of China (Grants 2017YFA0603604). ; This work is financially supported by the Cross Team Project of the "Light of West China" Program of Chinese Academy of Sciences (No: E0284101), and the National Key Scientific Research and Development Program of China (Grants 2017YFA0603604). ; Cross Team Project of the "Light of West China" Program of Chinese Academy of Sciences ; Cross Team Project of the "Light of West China" Program of Chinese Academy of Sciences ; National Key Scientific Research and Development Program of China ; National Key Scientific Research and Development Program of China ; This work is financially supported by the Cross Team Project of the "Light of West China" Program of Chinese Academy of Sciences (No: E0284101), and the National Key Scientific Research and Development Program of China (Grants 2017YFA0603604). ; This work is financially supported by the Cross Team Project of the "Light of West China" Program of Chinese Academy of Sciences (No: E0284101), and the National Key Scientific Research and Development Program of China (Grants 2017YFA0603604). ; Cross Team Project of the "Light of West China" Program of Chinese Academy of Sciences ; Cross Team Project of the "Light of West China" Program of Chinese Academy of Sciences ; National Key Scientific Research and Development Program of China ; National Key Scientific Research and Development Program of China
源URL[http://ir.iggcas.ac.cn/handle/132A11/110834]  
专题地质与地球物理研究所_中国科学院新生代地质与环境重点实验室
通讯作者He, Bin
作者单位1.Minist Emergency Management, Natl Disaster Reduct Ctr China, Beijing 100124, Peoples R China
2.Nanjing Univ Informat Sci & Technol, Collaborat Innovat Ctr Forecast & Evaluat Meteorol, Sch Geog Sci, Nanjing 210044, Peoples R China
3.Qinghai Normal Univ, Sch Geog Sci, Xining 810008, Peoples R China
4.Peking Univ, Coll Urban & Environm Sci, Beijing 100871, Peoples R China
5.Akesu Natl Stn Observat & Res Oasis Agroecosystem, Akesu 843017, Xinjiang, Peoples R China
6.Minist Ecol & Environm, Ctr Satellite Applicat Ecol & Environm, Beijing 100094, Peoples R China
7.Univ Gothenburg, Dept Earth Sci, Reg Climate Grp, S-40530 Gothenburg, Sweden
8.Lund Univ, Dept Phys Geog & Ecosyst Sci, S-22362 Lund, Sweden
9.Beijing Normal Univ, Fac Geog Sci, State Key Lab Earth Surface Proc & Resource Ecol, Beijing 100875, Peoples R China
10.Chinese Acad Sci, Inst Atmospher Phys, CAS Key Lab Reg Climate Environm Temperate East As, Beijing 100029, Peoples R China
推荐引用方式
GB/T 7714		 Wang, Sifan,He, Bin,Chen, Hans W.,et al. Fire carbon emissions over Equatorial Asia reduced by shortened dry seasons[J]. NPJ CLIMATE AND ATMOSPHERIC SCIENCE,2023,6(1):9.
APA Wang, Sifan.,He, Bin.,Chen, Hans W..,Chen, Deliang.,Chen, Yaning.,...&Xie, Xiaoming.(2023).Fire carbon emissions over Equatorial Asia reduced by shortened dry seasons.NPJ CLIMATE AND ATMOSPHERIC SCIENCE,6(1),9.
MLA Wang, Sifan,et al."Fire carbon emissions over Equatorial Asia reduced by shortened dry seasons".NPJ CLIMATE AND ATMOSPHERIC SCIENCE 6.1(2023):9.

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来源：地质与地球物理研究所

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