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Long-term summer warming trend during the Holocene in central Asia indicated by alpine peat alpha-cellulose delta C-13 record
Rao, Zhiguo1; Huang, Chao2; Xie, Luhua3; Shi, Fuxi4; Zhao, Yan5; Cao, Jiantao4; Gou, Xiaohua4; Chen, Jianhui4; Chen, Fahu4
2019
Source PublicationQUATERNARY SCIENCE REVIEWS
ISSN0277-3791
Volume203Pages:56-67
Corresponding AuthorRao, Zhiguo(raozhg@hunnu.edu.cn)
AbstractThe long-term cooling or warming trend is one of the most important aspects of Holocene paleoclimatic research. However, there are currently significant discrepancies among climatic simulation results, sedimentary and synthesized Holocene temperature records. These discrepancies call for new Holocene temperature records with a robust chronology and unambiguous indicative significance. Here, we present a ca. 45-year-resolution alpine peat alpha-cellulose carbon isotopic (delta C-13) record from the Altai Mountains in central Asia. The chronology of the record has been well-constrained by 22 AMS C-14 dates of the peat alpha-cellulose samples. Based on detailed modern-process study results, the indicative significance of the record has been carefully determined as summer temperature indicator. The record reveals an overall trend of increasing summer temperature for the past ca. 11 ka with a warmer early (from ca. 8-6 ka BP) and late (from ca. 4-0 ka BP) Holocene and colder middle Holocene (from ca. 6-4 ka BP). The general pattern of a warmer early and late Holocene and colder middle Holocene is consistent with previously reported temperature records from central Asia, the Tibetan Plateau, and North China. The long-term warming trend in our summer temperature record is consistent with recently reported winter temperature records from high latitudes of continental Eurasia. All these results further support the reliability of our summer temperature record from central Asia. The better understandings about the Holocene temperature history and its possible driven mechanism(s) can be benefited potentially from more reliable Holocene temperature records, including our record reported in this paper. (C) 2018 Elsevier Ltd. All rights reserved.
KeywordHolocene temperature history Central Asia Summer temperature Peat alpha-cellulose delta C-13
DOI10.1016/j.quascirev.2018.11.010
WOS KeywordCARBON-ISOTOPE DISCRIMINATION ; PERMANENT HUMAN OCCUPATION ; TIBETAN PLATEAU ; TEMPERATURE ; CLIMATE ; C-13/C-12 ; RATIOS ; CHINA ; LAKE ; RECONSTRUCTION
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[41372181] ; National Natural Science Foundation of China[41772373] ; National Natural Science Foundation of China[41330105] ; Hunan provincial natural science foundation of China[2018E1017] ; Construct Program of the Key Discipline in Hunan Province, China
Funding OrganizationNational Natural Science Foundation of China ; Hunan provincial natural science foundation of China ; Construct Program of the Key Discipline in Hunan Province, China
WOS Research AreaPhysical Geography ; Geology
WOS SubjectGeography, Physical ; Geosciences, Multidisciplinary
WOS IDWOS:000454965400004
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/51298
Collection中国科学院地理科学与资源研究所
Corresponding AuthorRao, Zhiguo
Affiliation1.Hunan Normal Univ, Coll Resources & Environm Sci, Changsha 410081, Hunan, Peoples R China
2.Guangdong Ocean Univ, Coll Ocean & Meteorol, Guangdong Prov Key Lab Coastal Ocean Variat & Dis, Zhanjiang 524088, Peoples R China
3.Chinese Acad Sci, Guangzhou Inst Geochem, Key Lab Marginal Sea Geol, Guangzhou 510640, Guangdong, Peoples R China
4.Lanzhou Univ, Coll Earth & Environm Sci, Minist Educ, Key Lab Western Chinas Environm Syst, Lanzhou 730000, Gansu, Peoples R China
5.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Beijing 100101, Peoples R China
Recommended Citation
GB/T 7714
Rao, Zhiguo,Huang, Chao,Xie, Luhua,et al. Long-term summer warming trend during the Holocene in central Asia indicated by alpine peat alpha-cellulose delta C-13 record[J]. QUATERNARY SCIENCE REVIEWS,2019,203:56-67.
APA Rao, Zhiguo.,Huang, Chao.,Xie, Luhua.,Shi, Fuxi.,Zhao, Yan.,...&Chen, Fahu.(2019).Long-term summer warming trend during the Holocene in central Asia indicated by alpine peat alpha-cellulose delta C-13 record.QUATERNARY SCIENCE REVIEWS,203,56-67.
MLA Rao, Zhiguo,et al."Long-term summer warming trend during the Holocene in central Asia indicated by alpine peat alpha-cellulose delta C-13 record".QUATERNARY SCIENCE REVIEWS 203(2019):56-67.
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