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Combination of Tree Rings and Other Paleoclimate Proxies to Explore the East Asian Summer Monsoon and Solar Irradiance Signals: A Case Study on the North China Plain
Li, Qiang1,2,3,4; Liu, Yu1,2,3,4,5; Deng, Ruolan6; Liu, Ruoshi5; Song, Huiming1,2,3,4; Wang, Yan1; Li, Gang7
Corresponding AuthorLi, Qiang(liqiang@ieecas.cn) ; Liu, Yu(liuyu@loess.llqg.ac.cn)
2020-11-01
Source PublicationATMOSPHERE
Volume11Issue:11Pages:15
AbstractPaleoclimate research, which involves the study of climate and environmental changes in historical and geological periods, is typically conducted using high-resolution paleoclimatic proxies, such as tree rings, historical documentations, stalagmite, and ice core. Although each paleoclimate proxy has its own merits in paleoclimatic research, reconstructions based on a single proxy may suffer from shortcomings, including insufficient reliability and low coverage of the representative area. It may be possible to overcome these shortcomings by combining multi-paleoclimatic proxies to understand paleoclimatic changes. In this study, we attempt to combine tree-ring stable oxygen isotope ratio (delta O-18), tree-ring width, and stalagmite thickness data as well as historical records to establish a 320-year (1675-1994) time series using principal component analysis in the water-scarce North China Plain (NCP). The results show that the first principal component (PC1) series is closely related to regional precipitation and the maximum temperature in summer. The spatial correlation pattern indicates that the PC1 series can represent the regional hydroclimate variation not only in the NCP but also in all of northern China. The significant (p < 0.001) correlations between the PC1 series and several East Asian summer monsoon (EASM) indices prove that the PC1 reflects the intensity of the EASM. The PC1 series is consistent with the interannual variations of two reconstructed solar activity correlation indexes (r = 0.48 and 0.46, n = 320, and p < 0.001). The results indicate that the hydroclimate variation in the NCP is affected by large-scale atmospheric circulations, such as EASM and solar activity, and shows the potential of combining multiple paleoclimate proxies for analyzing regional climate change.
KeywordNorth China Plain tree rings paleoclimate proxies EASM ENSO solar irradiance
DOI10.3390/atmos11111180
WOS KeywordCLIMATE
Indexed BySCI ; SCI
Language英语
Funding ProjectNational Natural Science Foundation of China[41873021] ; National Natural Science Foundation of China[41991251] ; National Natural Science Foundation of China[U1803245] ; Youth Innovation Promotion Association of CAS[2017451] ; West Light Foundation of CAS ; Young Star of Science and Technology, Shaanxi Province ; Cultivating Foundation of SKLLQG
WOS Research AreaMeteorology & Atmospheric Sciences
Funding OrganizationNational Natural Science Foundation of China ; Youth Innovation Promotion Association of CAS ; West Light Foundation of CAS ; Young Star of Science and Technology, Shaanxi Province ; Cultivating Foundation of SKLLQG
WOS SubjectMeteorology & Atmospheric Sciences
WOS IDWOS:000593653000001
PublisherMDPI
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/15603
Collection现代环境研究室
第四纪科学与全球变化卓越创新中心
Corresponding AuthorLi, Qiang; Liu, Yu
Affiliation1.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian 710061, Peoples R China
2.Chinese Acad Sci, Ctr Excellence Quaternary Sci & Global Change, Xian 710061, Peoples R China
3.Beijing Normal Univ, Interdisciplinary Res Ctr Earth Sci Frontier IRCE, Beijing 100875, Peoples R China
4.Beijing Normal Univ, Joint Ctr Global Change Studies JCGCS, Beijing 100875, Peoples R China
5.Xi An Jiao Tong Univ, Sch Human Settlements & Civil Engn, Xian 710049, Peoples R China
6.Changan Univ, Key Lab Subsurface Hydrol & Ecol Effects Arid Reg, Sch Environm Sci & Engn, Xian 710061, Peoples R China
7.Dongdashan Nat Reserve, Ganzhou Dist 734000, Zhangye, Peoples R China
Recommended Citation
GB/T 7714
Li, Qiang,Liu, Yu,Deng, Ruolan,et al. Combination of Tree Rings and Other Paleoclimate Proxies to Explore the East Asian Summer Monsoon and Solar Irradiance Signals: A Case Study on the North China Plain[J]. ATMOSPHERE,2020,11(11):15.
APA Li, Qiang.,Liu, Yu.,Deng, Ruolan.,Liu, Ruoshi.,Song, Huiming.,...&Li, Gang.(2020).Combination of Tree Rings and Other Paleoclimate Proxies to Explore the East Asian Summer Monsoon and Solar Irradiance Signals: A Case Study on the North China Plain.ATMOSPHERE,11(11),15.
MLA Li, Qiang,et al."Combination of Tree Rings and Other Paleoclimate Proxies to Explore the East Asian Summer Monsoon and Solar Irradiance Signals: A Case Study on the North China Plain".ATMOSPHERE 11.11(2020):15.
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