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Precipitation variability in the north fringe of East Asian Summer Monsoon during the past millennium and its possible driving factors
Hua, Ting1,2,4; Zorita, Eduardo2; Wang, Xunming3,4; Wang, Ninglian1; Zhang, Caixia4
2019-09-01
Source PublicationCLIMATE DYNAMICS
ISSN0930-7575
Volume53Issue:5-6Pages:2587-2602
Corresponding AuthorWang, Xunming(xunming@igsnrr.ac.cn) ; Wang, Ninglian(nlwang@nwu.edu.cn)
AbstractSummer precipitation in the north fringe of East Asian Summer Monsoon (NFEASM) accounts for the majority of annual regional precipitation and plays an important role in regional climatology and agriculture development. Here we analyze variations in summer precipitation in the NFEASM over the past millennium using several simulations with Earth System Models and compare with two dendroclimatological hydroclimate reconstructions that partly cover the past millennium. Both reconstructed records show good agreement on past hydroclimate variations but do not show overly anomalous hydroclimate periods, except for clear drying trends in the second half of the twentieth century. The reconstructed decadal hydroclimate variations are not correlated with any of the simulations, and the simulations are not correlated among themselves either, which strongly suggests that the decadal variability is not linked to the external climate forcing. In addition, the superposed epoch analysis also does not identify a response of simulated precipitation to volcanic eruptions. Therefore, precipitation variability in this region over the past millennium seems to have been driven by internal climate processes. In the simulations, regional summer precipitation is positively and significantly correlated with sea-level-pressure (SLP) over the North Pacific and is negatively and significantly correlated with SLP in southwestern China at both interannual and decadal time scales. This agrees with the teleconnection patterns identified from meteorological reanalysis datasets, indicating that this dipole correlation pattern is robust. Therefore, the SLP difference between these two areas is used as an index to identify the atmosphere circulation pattern favorable to summer precipitation in the NFEASM. This SLP index shows spatial variable correlations with sea-surface-temperature (SST) in the North Pacific: there is a significant positive correlation in the northern North Pacific, while a significant negative correlation in the southern North Pacific. Although the underlying mechanisms for these correlations likely differ between two subareas, it appears that the atmosphere drives SST anomalies in the both subareas.
KeywordEast Asian summer monsoon Summer precipitation variability Atmospheric circulation Driving factors
DOI10.1007/s00382-019-04643-1
WOS KeywordLARGE VOLCANIC-ERUPTIONS ; PACIFIC ANOMALOUS ANTICYCLONE ; LAST MILLENNIUM ; PART I ; MULTIDECADAL VARIABILITY ; THERMODYNAMIC PROCESSES ; DECADAL VARIABILITY ; CHINA ; CLIMATE ; RECONSTRUCTIONS
Indexed BySCI
Language英语
Funding ProjectNational Science Foundation of China[41501011] ; National Science Foundation of China[41771012] ; Key Frontier Program of Chinese Academy of Sciences[QYZDJ-SSWDQC043] ; Hundred-Talent Program of Shaanxi Province ; China Scholarship Council (CSC)
Funding OrganizationNational Science Foundation of China ; Key Frontier Program of Chinese Academy of Sciences ; Hundred-Talent Program of Shaanxi Province ; China Scholarship Council (CSC)
WOS Research AreaMeteorology & Atmospheric Sciences
WOS SubjectMeteorology & Atmospheric Sciences
WOS IDWOS:000483626900007
PublisherSPRINGER
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/69678
Collection中国科学院地理科学与资源研究所
Corresponding AuthorWang, Xunming; Wang, Ninglian
Affiliation1.Northwest Univ, Coll Urban & Environm Sci, Shaanxi Key Lab Earth Surface Syst & Environm Car, Xian 710172, Shaanxi, Peoples R China
2.Helmholtz Zentrum Geesthacht, Inst Coastal Res, D-21502 Geesthacht, Germany
3.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Water Cycle & Related Land Surface Proc, Beijing 100101, Peoples R China
4.Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, Key Lab Desert & Desert, Lanzhou 730000, Gansu, Peoples R China
Recommended Citation
GB/T 7714
Hua, Ting,Zorita, Eduardo,Wang, Xunming,et al. Precipitation variability in the north fringe of East Asian Summer Monsoon during the past millennium and its possible driving factors[J]. CLIMATE DYNAMICS,2019,53(5-6):2587-2602.
APA Hua, Ting,Zorita, Eduardo,Wang, Xunming,Wang, Ninglian,&Zhang, Caixia.(2019).Precipitation variability in the north fringe of East Asian Summer Monsoon during the past millennium and its possible driving factors.CLIMATE DYNAMICS,53(5-6),2587-2602.
MLA Hua, Ting,et al."Precipitation variability in the north fringe of East Asian Summer Monsoon during the past millennium and its possible driving factors".CLIMATE DYNAMICS 53.5-6(2019):2587-2602.
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