Interdecadal change in the influence of El Nino in the developing stage on the central China summer precipitation
Chen, Lin1; Li, Gen1,2; Long, Shang-Min1; Gao, Chujie1,3; Zhang, Zhiyuan1,4; Lu, Bo5,6
通讯作者Li, Gen(ligen@hhu.edu.cn)
2021-11-20
发表期刊CLIMATE DYNAMICS
ISSN0930-7575
页码18
摘要The central China summer precipitation (CCSP) is of great importance to the people's livelihood of this densely populated region, including the agriculture, ecosystems, water resources, economies, and health. Based on the observed precipitation, sea surface temperature (SST), and atmospheric reanalysis datasets, the present study investigates the effects of El Nino in the developing stage on the CCSP during 1960-2014. The results show that the CCSP anomalies exhibit significant negative correlations with the El Nino-related SST anomalies in both the simultaneous summer and the following winter, implying that the developing El Nino is important for modulating the CCSP. However, this climatic teleconnection of El Nino is unstable, with an obvious interdecadal change around the late 1980s. Specifically, the negative correlation is not statistically significant in the previous epoch before the late 1980s (1960-1988), but dramatically strengthens since the late 1980s (the post epoch for 1989-2014). Such an interdecadal change is closely associated with the change of the El Nino-related SST anomaly pattern. Compared to the previous epoch, the central Pacific El Nino occurs more frequently in the post epoch, leading to an interdecadal shift of the maximum warm SST anomalies from the eastern Pacific to the central Pacific. The resultant westward extension of the atmospheric circulation responses induces an anomalous low-level cyclone covering South China in the post epoch. It would prevent the southwest monsoon from delivering the moisture to the north and hence reduce the CCSP. While, in the previous epoch, the anomalous cyclone locates east of South China, exerting insignificant influence on the CCSP. This work highlights a strengthening effect of El Nino on the CCSP since the late 1980s, with great implications for the regional seasonal climate prediction.
关键词Interdecadal change El Nino Central China summer precipitation Developing stage East asian summer monsoon Atmospheric teleconnection
DOI10.1007/s00382-021-06036-9
关键词[WOS]EAST-ASIAN SUMMER ; INDO-WESTERN PACIFIC ; WATER-VAPOR TRANSPORT ; INDIAN-OCEAN ; ANOMALOUS ANTICYCLONE ; COLD-TONGUE ; ATMOSPHERIC VARIABILITY ; CLIMATE VARIABILITY ; NORTHWEST PACIFIC ; COMBINATION-MODE
收录类别SCI ; SCI
语种英语
资助项目National Key Research and Development Program of China[2021YFA070298] ; National Key Research and Development Program of China[2018YFC1506002] ; Natural Science Foundation of China[41831175] ; Natural Science Foundation of China[41975097] ; Natural Science Foundation of China[42076208] ; Natural Science Foundation of China[41706026] ; Natural Science Foundation of China[41905054] ; Fundamental Research Funds for the Central Universities[B210201015] ; Fundamental Research Funds for the Central Universities[B210202135] ; Fundamental Research Funds for the Central Universities[B210201029] ; Fundamental Research Funds for the Central Universities[B200202138] ; Natural Science Foundation of Jiangsu Province[BK20211209] ; Open Research Fund of the State Key Laboratory of Tropical Oceanography (South China Sea Institute of Oceanology, Chinese Academy of Sciences)[LTO2110] ; open fund of State Key Laboratory of loess and Quaternary Geology[520013212]
WOS研究方向Meteorology & Atmospheric Sciences
项目资助者National Key Research and Development Program of China ; Natural Science Foundation of China ; Fundamental Research Funds for the Central Universities ; Natural Science Foundation of Jiangsu Province ; Open Research Fund of the State Key Laboratory of Tropical Oceanography (South China Sea Institute of Oceanology, Chinese Academy of Sciences) ; open fund of State Key Laboratory of loess and Quaternary Geology
WOS类目Meteorology & Atmospheric Sciences
WOS记录号WOS:000720614700001
出版者SPRINGER
引用统计
被引频次:16[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/17218
专题黄土与第四纪地质国家重点实验室(2010~)
通讯作者Li, Gen
作者单位1.Hohai Univ, Coll Oceanog, Nanjing, Peoples R China
2.Southern Marine Sci & Engn Guangdong Lab Zhuhai, Zhuhai, Peoples R China
3.Chinese Acad Sci, South China Sea Inst Oceanol, State Key Lab Trop Oceanog, Guangzhou, Peoples R China
4.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian, Peoples R China
5.China Meteorol Adm, Natl Climate Ctr, Lab Climate Studies, Beijing, Peoples R China
6.China Meteorol Adm, Natl Climate Ctr, CMA NJU Joint Lab Climate Predict Studies, Beijing, Peoples R China
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GB/T 7714
Chen, Lin,Li, Gen,Long, Shang-Min,et al. Interdecadal change in the influence of El Nino in the developing stage on the central China summer precipitation[J]. CLIMATE DYNAMICS,2021:18.
APA Chen, Lin,Li, Gen,Long, Shang-Min,Gao, Chujie,Zhang, Zhiyuan,&Lu, Bo.(2021).Interdecadal change in the influence of El Nino in the developing stage on the central China summer precipitation.CLIMATE DYNAMICS,18.
MLA Chen, Lin,et al."Interdecadal change in the influence of El Nino in the developing stage on the central China summer precipitation".CLIMATE DYNAMICS (2021):18.
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