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Enhanced dominance of soil moisture stress on vegetation growth in Eurasian drylands

文献类型：期刊论文

作者Zhang, Yu; Zhang, Yangjian; Lian, Xu; Zheng, Zhoutao; Zhao, Guang; Zhang, Tao; Xu, Minjie; Huang, Ke; Chen, Ning; Li, Ji
刊名NATIONAL SCIENCE REVIEW
出版日期2023-04-24
关键词soil water content vapor pressure deficit vegetation growth decoupling non-linear relation
ISSN号2053-714X
DOI10.1093/nsr/nwad108
产权排序1
文献子类Review ; Early Access
英文摘要This study reveals a gradually decoupled relationship between atmospheric and soil moisture dryness in Eurasian drylands. As time goes by, the relative influential magnitude of soil moisture dryness stress on dryland ecosystems strengthens, while that of atmospheric dryness weakens and this relative dominance will persist into the future warming. Despite the mounting attention being paid to vegetation growth and their driving forces for water-limited ecosystems, the relative contributions of atmospheric and soil moisture dryness stress on vegetation growth are an ongoing debate. Here we comprehensively compare the impacts of high vapor pressure deficit (VPD) and low soil water content (SWC) on vegetation growth in Eurasian drylands during 1982-2014. The analysis indicates a gradual decoupling between atmospheric dryness and soil dryness over this period, as the former has expanded faster than the latter. Moreover, the VPD-SWC relation and VPD-greenness relation are both non-linear, while the SWC-greenness relation is near-linear. The loosened coupling between VPD and SWC, the non-linear correlations among VPD-SWC-greenness and the expanded area extent in which SWC acts as the dominant stress factor all provide compelling evidence that SWC is a more influential stressor than VPD on vegetation growth in Eurasian drylands. In addition, a set of 11 Earth system models projected a continuously growing constraint of SWC stress on vegetation growth towards 2100. Our results are vital to dryland ecosystems management and drought mitigation in Eurasia.
学科主题Science & Technology - Other Topics
WOS关键词VAPOR-PRESSURE DEFICIT ; TERRESTRIAL GROSS ; DROUGHT IMPACTS ; WATER ; TRANSPIRATION ; PRODUCTIVITY ; SATELLITE ; MORPHOLOGY ; DYNAMICS
WOS研究方向Science & Technology - Other Topics
出版者OXFORD UNIV PRESS
源URL[http://ir.igsnrr.ac.cn/handle/311030/193836]  
专题生态系统网络观测与模拟院重点实验室_外文论文
作者单位1.Institute of Geographic Sciences & Natural Resources Research, CAS
2.Peking University
3.Columbia University
4.Institute of Tibetan Plateau Research, CAS
5.China University of Geosciences
6.Northeast Institute of Geography & Agroecology, CAS
7.University of Copenhagen
8.Shenyang Agricultural University
9.Chinese Academy of Sciences
10.University of Chinese Academy of Sciences, CAS
推荐引用方式
GB/T 7714		 Zhang, Yu,Zhang, Yangjian,Lian, Xu,et al. Enhanced dominance of soil moisture stress on vegetation growth in Eurasian drylands[J]. NATIONAL SCIENCE REVIEW,2023.
APA Zhang, Yu.,Zhang, Yangjian.,Lian, Xu.,Zheng, Zhoutao.,Zhao, Guang.,...&Piao, Shilong.(2023).Enhanced dominance of soil moisture stress on vegetation growth in Eurasian drylands.NATIONAL SCIENCE REVIEW.
MLA Zhang, Yu,et al."Enhanced dominance of soil moisture stress on vegetation growth in Eurasian drylands".NATIONAL SCIENCE REVIEW (2023).

入库方式： OAI收割

来源：地理科学与资源研究所

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