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Geochemical characteristics of lake clay drilled in well QZ-4: its implication for geochemical response to climate change in the central Tibetan Plateau in the Middle-Late Pleistocene
He, Jianglin1,2; Wang, Jian1,2; Zheng, Chenggang3; Li, Weipeng4,5; Sun, Wei1,2; Guo, Tianxu6; Zeng, Shengqiang1,2
Corresponding AuthorHe, Jianglin
2016
Source PublicationENVIRONMENTAL EARTH SCIENCES
ISSN1866-6280
EISSN1866-6299
Volume75Issue:19Pages:DOI: 10.1007/s12665-016-6119-y
SubtypeArticle
AbstractA colour sequence, which is composed of a yellow subsequence in the lower unit and a grey subsequence in the upper unit, is an important climate archive for the central Tibetan Plateau in the Middle-Late Pleistocene. However, little study has been done on it. In well QZ-4, this colour sequence is thicker than 116 m, which is an important climate archive for the central Tibetan Plateau in the Middle-Late Pleistocene. In this work, the ESR dating and geochemistry analysis have been carried out to provide a preliminary insight into the paleo-climate change in the central Tibetan Plateau. It can be concluded that the 23.56 ka (125.96-149.52 ka BP) time interval, which is marked by the angular unconformity surface at 272.48 m in depth, proves that the deposition of this colour sequence is dominated by Gonghe Movement. After this movement, chemical weathering is reduced; however, the sedimentation rate is increased from 0.18 to 3.5 m/ka. In the central Tibetan Plateau, the climate became colder and drier in the Middle-Late Pleistocene, which is roughly consistent with global paleo-climate change at that time. All these changes are correlated with the change of elevation and atmospheric circulation in the Tibetan Plateau and its surrounding area, which are driven by the tectonic uplift of Gonghe Movement. The Gonghe Movement is likely a driving force for the short-lived spike at about 120 ka.
KeywordTibet Plateau Mid-pleistocene Paleo-climate Geochemistry Rees
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine ; Physical Sciences
DOI10.1007/s12665-016-6119-y
WOS Subject ExtendedEnvironmental Sciences & Ecology ; Geology ; Water Resources
Indexed BySCI
WOS KeywordRARE-EARTH-ELEMENTS ; QINGHAI-TIBETAN ; ICE CORE ; CHINA ; SEDIMENT ; RIVER ; NORTHERN ; RECORDS ; HISTORY ; UPLIFT
Language英语
WOS SubjectEnvironmental Sciences ; Geosciences, Multidisciplinary ; Water Resources
WOS IDWOS:000385135100013
Funding OrganizationNational Natural Science Foundation of China(41302092)
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Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/18215
Collection山地表生过程与生态调控重点实验室
Affiliation1.Minist Land & Resources, Chengdu Inst Geol & Mineral Resources, Chengdu 610082, Peoples R China
2.Minist Land Resources, Key Lab Sedimentary Basin & Oil & Gas Resources, Chengdu 610081, Peoples R China
3.SINOPEC, Res Inst Petr Explorat & Dev, Beijing 100083, Peoples R China
4.China West Normal Univ, Land & Resources Coll, Nanchong 637002, Peoples R China
5.Chinese Acad Sci, Inst Mt Hazards & Environm, Key Lab Mt Environm Evolut & Regulat, Chengdu 610041, Peoples R China
6.China Geol Survey, Oil & Gas Survey, Beijing 100029, Peoples R China
Recommended Citation
GB/T 7714
He, Jianglin,Wang, Jian,Zheng, Chenggang,et al. Geochemical characteristics of lake clay drilled in well QZ-4: its implication for geochemical response to climate change in the central Tibetan Plateau in the Middle-Late Pleistocene[J]. ENVIRONMENTAL EARTH SCIENCES,2016,75(19):DOI: 10.1007/s12665-016-6119-y.
APA He, Jianglin.,Wang, Jian.,Zheng, Chenggang.,Li, Weipeng.,Sun, Wei.,...&Zeng, Shengqiang.(2016).Geochemical characteristics of lake clay drilled in well QZ-4: its implication for geochemical response to climate change in the central Tibetan Plateau in the Middle-Late Pleistocene.ENVIRONMENTAL EARTH SCIENCES,75(19),DOI: 10.1007/s12665-016-6119-y.
MLA He, Jianglin,et al."Geochemical characteristics of lake clay drilled in well QZ-4: its implication for geochemical response to climate change in the central Tibetan Plateau in the Middle-Late Pleistocene".ENVIRONMENTAL EARTH SCIENCES 75.19(2016):DOI: 10.1007/s12665-016-6119-y.
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