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Temperature variability in North-Central China during the past 231years based on multiple proxies
Li,Q(Li,Qiang)1,2; Liu,Y(Liu,Yu)1,2; Zhao,BY(Zhao,Boyang)1,4; Song,HM(Song,Huiming)1,2; Liu,RS(Liu,Ruoshi)3; Li,Qiang
2018-09-10
发表期刊Quaternary International
卷号487期号:2018页码:26-32
文章类型期刊论文
摘要Several temperature-sensitive paleoclimate proxies, including tree rings, stalagmites, and historical documents, were employed to derive regional temperature signals for the period 1779–1985 via principal component analysis (PCA). The PCA series was significantly correlated with gridded temperature datasets for Northeast China, the Korean Peninsula, and part of Japan. Based on statistical correlation between the PCA series and observed temperature records, we regionally reconstructed May–August temperature variations for 1779 to 2009. The reconstruction explained 53.4% of the variance in observed summer temperature during the instrumental period. Intervals with persistent decadal warm and cold periods in the past 231 years were detected. The results suggest that, of the past 231 years, the past half century suffered unprecedented warming in North-Central China, which may be related to increasing human activities since the Anthropocene epoch.
关键词Temperature Reconstruction Tree Rings Stalagmite Historical Documents
DOI10.1016/j.quaint.2017.12.030
收录类别SCI
所属项目编号QYZDJeSSWeDQC021 ; NSFC41630531 ; XDPB05 ; GJHZ1777 ; 2017451
语种英语
项目资助者CAS KeyResearch Program of Frontier Sciences ; CAS KeyResearch Program of Frontier Sciences ; Youth Innovation PromotionAssociation,CAS ; Youth Innovation PromotionAssociation,CAS ; Wes Light Foundation, CAS, Young Star of Science and Technology, Shaanxi Province ; Wes Light Foundation, CAS, Young Star of Science and Technology, Shaanxi Province ; CultivatingFoundation of SKLLQG ; CultivatingFoundation of SKLLQG
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文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/5365
专题现代环境研究室
通讯作者Li,Qiang
作者单位1.State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an 710061, China
2.Interdisciplinary Research Center of Earth Science Frontier (IRCESF) and Joint Center for Global Change Studies (JCGCS), Beijing Normal University, Beijing100875, China
3.School of Human Settlements and Civil Engineering, Xi'an Jiaotong University, Xi'an 710049, China
4.Department of Geosciences, University of Massachusetts, Amherst, MA 01003, USA
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Li,Q,Liu,Y,Zhao,BY,et al. Temperature variability in North-Central China during the past 231years based on multiple proxies[J]. Quaternary International,2018,487(2018):26-32.
APA Li,Q,Liu,Y,Zhao,BY,Song,HM,Liu,RS,&Li,Qiang.(2018).Temperature variability in North-Central China during the past 231years based on multiple proxies.Quaternary International,487(2018),26-32.
MLA Li,Q,et al."Temperature variability in North-Central China during the past 231years based on multiple proxies".Quaternary International 487.2018(2018):26-32.
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