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Increased stress from compound drought and heat events on vegetation

文献类型：期刊论文

作者Zhou, Shuang1,2; Wu, Shaohong1,2; Gao, Jiangbo1; Liu, Lulu1; Li, Delong1; Yan, Rui1,2; Wang, Jie1,2
刊名SCIENCE OF THE TOTAL ENVIRONMENT
出版日期2024-11-01
卷号949页码:175113
关键词Vegetation Compound drought and heat events Lag effects Ecosystem types Climate regions Increased stress
DOI10.1016/j.scitotenv.2024.175113
产权排序1
文献子类Article
英文摘要Compound drought and heat events (CDHEs), which are frequently occurring compound extreme climate events, have garnered considerable attention because of their detrimental effects on ecosystems. However, the intricacies of the spatial and temporal distributions of different durations of compound events, along with the variability in vegetation responses remain unclear. Here, we delineated the CDHEs based on meteorological observation data and investigated the spatial and temporal characteristics of CDHEs from 1993 to 2020 using the Theil-Sen trend test and Mann-Kendall nonparametric test. Furthermore, we utilized sliding correlation analysis to evaluate the impacts of CDHEs on vegetation among different climatic regions and ecosystems. Our findings indicate significant increasing trends in both the frequency and persistence of CDHEs from 1993 to 2020. The average trend of CDHEs frequency across different duration periods amounted to 13.80 %/decade. The fractional contribution of CDHEs lasting more than three days exhibited a significant increase, with an average trend of 2.00 %/decade. We also observed that vegetation is most significantly affected by compound events lasting 5-9 days. During the study period, the geographical extent of vegetation significantly impacted by CDHEs expanded by 0.89 %, correlation strength increased by 0.02, and lag time decreased by 0.25 months. These insights highlight the growing impact of CDHEs on vegetation under climate change, improving our understanding of vegetation responses to these compound events.
WOS关键词CLIMATE EXTREMES ; ECOSYSTEMS ; IMPACTS ; GROWTH
WOS研究方向Environmental Sciences & Ecology
WOS记录号WOS:001288030500001
出版者ELSEVIER
源URL[http://ir.igsnrr.ac.cn/handle/311030/206871]  
专题陆地表层格局与模拟院重点实验室_外文论文
通讯作者Liu, Lulu
作者单位1.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Beijing 100101, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
推荐引用方式
GB/T 7714		 Zhou, Shuang,Wu, Shaohong,Gao, Jiangbo,et al. Increased stress from compound drought and heat events on vegetation[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2024,949:175113.
APA Zhou, Shuang.,Wu, Shaohong.,Gao, Jiangbo.,Liu, Lulu.,Li, Delong.,...&Wang, Jie.(2024).Increased stress from compound drought and heat events on vegetation.SCIENCE OF THE TOTAL ENVIRONMENT,949,175113.
MLA Zhou, Shuang,et al."Increased stress from compound drought and heat events on vegetation".SCIENCE OF THE TOTAL ENVIRONMENT 949(2024):175113.

入库方式： OAI收割

来源：地理科学与资源研究所

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