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Delayed warming in Northeast China: Insights from an annual temperature reconstruction based on tree-ring delta O-18
Li, Qiang1,2,3,4; Liu, Yu1,2,3,4,5; Nakatsuka, Takeshi6; Liu, Ruoshi5; Cai, Qiufang1,2,3,4; Song, Huiming1,2,3,4; Wang, Shengjie7; Sun, Changfeng1,2,3,4; Fang, Congxi1,2,3,4
Corresponding AuthorLi, Qiang(liqiang@ieecas.cn) ; Liu, Yu(liuyu@loess.llqg.ac.cn)
2020-12-20
Source PublicationSCIENCE OF THE TOTAL ENVIRONMENT
ISSN0048-9697
Volume749Pages:11
AbstractGlobal warming has had an unprecedented impact on environmental changes and thus human life in mid-high latitude regions. As one of the areas most affected by global warming, Northeast China has suffered from a series of ecological crises, including warming-induced water deficits, permafrost thaw, and extended growing seasons. The change in annual average temperature (annual T) variations in Northeast China since the Industrial Revolution are still not fully understood, mainly because of the lack of long-term instrumental data and high-resolution annual T reconstructions. Here, we present the first annual T reconstruction (r = -0.683, p < .001, n = 60) for 1818-2012 in Northeast China, which may also be the first temperature reconstruction based on tree-ring delta O-18 in China. The reconstruction is significantly related to temperature variations over mid-high latitude Eurasia and agree (p < .01) with several long-term hydroclimatic reconstructions in the surrounding area. When the internal variability in the reconstruction was high, the decadal to multidecadal cycles were significant. Further analysis found that the reconstruction was mainly affected by the East Asian Summer Monsoon (EASM) and North Atlantic Oscillation (NAO). The reconstruction was significantly negatively correlated with several time series of annual T in the Northern Hemisphere, which showed that there is a substantial difference in annual T between Northeast China and other regions of the Northern Hemisphere. The difference mainly existed before the 1950s. From the 1850s to the 1950s, the annual T in Northeast China decreased slightly. However, extreme warming began in the 1950s in Northeast China, and this warming has been unprecedented during the past two centuries. the warming trend since the 1950s continues, then it will lead to devastating disasters to forest and permafrost ecosystems in Northeast China. (C) 2020 Elsevier BM. All rights reserved.
KeywordTree-ring delta O-18 Annual T reconstruction Northeast China EASM NAO Global warming
DOI10.1016/j.scitotenv.2020.141432
WOS KeywordOXYGEN-ISOTOPE RATIOS ; ASIAN SUMMER MONSOON ; ATLANTIC OSCILLATION ; PINUS-TABULAEFORMIS ; STABLE-ISOTOPES ; VARIABILITY ; CLIMATE ; PRECIPITATION ; CELLULOSE ; CARBON
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 AreaEnvironmental Sciences & Ecology
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 SubjectEnvironmental Sciences
WOS IDWOS:000581793800028
PublisherELSEVIER
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/15541
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.CAS Ctr Excellence Quaternary Sci & Global Change, Xian 710061, Peoples R China
3.Beijing Normal Univ, Interdisciplinary Res Ctr Earth Sci Frontier, Beijing 100875, Peoples R China
4.Beijing Normal Univ, Joint Ctr Global Change Studies, Beijing 100875, Peoples R China
5.Xi An Jiao Tong Univ, Sch Human Settlements & Civil Engn, Xian 710049, Peoples R China
6.Nagoya Univ, Grad Sch Environm Studies, Nagoya, Aichi 4648601, Japan
7.Northwest Normal Univ, Coll Geog & Environm Sci, Lanzhou 730070, Peoples R China
Recommended Citation
GB/T 7714
Li, Qiang,Liu, Yu,Nakatsuka, Takeshi,et al. Delayed warming in Northeast China: Insights from an annual temperature reconstruction based on tree-ring delta O-18[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2020,749:11.
APA Li, Qiang.,Liu, Yu.,Nakatsuka, Takeshi.,Liu, Ruoshi.,Cai, Qiufang.,...&Fang, Congxi.(2020).Delayed warming in Northeast China: Insights from an annual temperature reconstruction based on tree-ring delta O-18.SCIENCE OF THE TOTAL ENVIRONMENT,749,11.
MLA Li, Qiang,et al."Delayed warming in Northeast China: Insights from an annual temperature reconstruction based on tree-ring delta O-18".SCIENCE OF THE TOTAL ENVIRONMENT 749(2020):11.
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