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Temporal evolution of the influence of atmospheric circulation on regional cloud cover as revealed by tree-ring delta O-18 in southwestern China

文献类型：期刊论文

作者Wang, Wenchao1; Zeng, Xiaomin1; Liu, Xiaohong1,2; An, Wenling3; Zhang, Lingnan1
刊名GLOBAL AND PLANETARY CHANGE
出版日期2022
卷号208页码:10
关键词Tree-ring delta O-18 Cloud reconstruction Sea surface temperature Backward trajectory Indian summer monsoon
ISSN号0921-8181
DOI10.1016/j.gloplacha.2021.103690
英文摘要The hydroclimate of southwestern China has experienced pronounced fluctuations over the past few decades. In this study, the total cloud cover variability of southwestern China during May-October for the past 276 years was reconstructed based on the composite tree-ring delta O-18 chronology. The record spans the common interval from 1734 to 2009 CE. Moisture-related factors, such as relative humidity, the precipitation, and cloud cover over the region, were the climatic factors controlling tree-ring delta O-18. The reconstructed cloud cover exhibited a decreasing trend since 1900, which was linked to the weakening of the Indian summer monsoon. However, the relationship between cloud cover and the monsoon system was temporally unstable, which may be due to El Nino-southern oscillation and the Indian Ocean dipole. Furthermore, the sea surface temperature (SST) over the Indian and East Pacific oceans influenced the delivery of moisture over the study area; however, the influence of SST on the different oceanic regions varied between different periods. During the low-cloud-cover period, the link between SST and regional cloud cover weakened, and local circulation became the driving factor. Additionally, local circulation may disrupt the influence of monsoons on the hydroclimate in southwestern China, which was supported by the backward trajectory results.
WOS关键词SOUTHEASTERN TIBETAN PLATEAU ; CLIMATE-CHANGE ; STABLE-ISOTOPES ; OXYGEN-ISOTOPE ; VARIABILITY ; MONSOON ; DIPOLE ; RECONSTRUCTION ; SENSITIVITY ; MOUNTAINS
资助项目Fundamental Research Funds for the Central Universities[GK202103140] ; Fundamental Research Funds for the Central Universities[GK202107009] ; National Natural Science Foundation of China[41807431] ; National Natural Science Foundation of China[41971104] ; National Natural Science Foundation of China[41571196] ; National Science Foundation of Shaanxi Province[2019JQ-325] ; open foundation of the State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment[CASSKLLQG1817]
WOS研究方向Physical Geography ; Geology
语种英语
WOS记录号WOS:000718563100003
出版者ELSEVIER
资助机构Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Science Foundation of Shaanxi Province ; National Science Foundation of Shaanxi Province ; open foundation of the State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment ; open foundation of the State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Science Foundation of Shaanxi Province ; National Science Foundation of Shaanxi Province ; open foundation of the State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment ; open foundation of the State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Science Foundation of Shaanxi Province ; National Science Foundation of Shaanxi Province ; open foundation of the State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment ; open foundation of the State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Science Foundation of Shaanxi Province ; National Science Foundation of Shaanxi Province ; open foundation of the State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment ; open foundation of the State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment
源URL[http://ir.iggcas.ac.cn/handle/132A11/103840]  
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Zeng, Xiaomin; Liu, Xiaohong
作者单位1.Shaanxi Normal Univ, Sch Geog & Tourism, Xian 710119, Peoples R China
2.Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, State Key Lab Cryospher Sci, Lanzhou 730000, Peoples R China
3.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Cenozo Geol & Environm, Beijing 100029, Peoples R China
推荐引用方式
GB/T 7714		 Wang, Wenchao,Zeng, Xiaomin,Liu, Xiaohong,et al. Temporal evolution of the influence of atmospheric circulation on regional cloud cover as revealed by tree-ring delta O-18 in southwestern China[J]. GLOBAL AND PLANETARY CHANGE,2022,208:10.
APA Wang, Wenchao,Zeng, Xiaomin,Liu, Xiaohong,An, Wenling,&Zhang, Lingnan.(2022).Temporal evolution of the influence of atmospheric circulation on regional cloud cover as revealed by tree-ring delta O-18 in southwestern China.GLOBAL AND PLANETARY CHANGE,208,10.
MLA Wang, Wenchao,et al."Temporal evolution of the influence of atmospheric circulation on regional cloud cover as revealed by tree-ring delta O-18 in southwestern China".GLOBAL AND PLANETARY CHANGE 208(2022):10.

入库方式： OAI收割

来源：地质与地球物理研究所

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