气候变化领域集成服务门户(CCPortal): Northern Tibetan Plateau cooling and aridification linked to Cenozoic global cooling: Evidence from n-alkane distributions of Paleogene sedimentary sequences in the Xining Basin

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DOI	10.1007/s11434-011-4469-0
	Northern Tibetan Plateau cooling and aridification linked to Cenozoic global cooling: Evidence from n-alkane distributions of Paleogene sedimentary sequences in the Xining Basin
	Long LiQun; Fang XiaoMin; Miao YunFa; Bai Yan; Wang YongLi
通讯作者	Fang, XM (通讯作者)
发表日期	2011
ISSN	1001-6538
EISSN	1861-9541
起始页码	1569
结束页码	1578
卷号	56 期号:15
英文摘要	The Xining Basin on the northeastern Tibetan Plateau holds the longest continuous Cenozoic stratigraphic record in China. The sequence record contains considerable information on the history of Tibetan uplift and associated climatic change. In particular, high resolution n-alkane biomarker proxy and pollen records have been obtained from the Paleogene sediments of the Xiejia section of the basin. A combination of the n-alkane and palynological records reveals that the paleoclimate in the Xining Basin experienced a long-term cooling trend from 50.2 to 28.2 Ma with a distinctive ecological event spanning 37.5 to 32.7 Ma. Since this ecological event, a vertical zonation of vegetation from lowland arid grasses, to middle-elevation subtropical broad-leaf plants, to high-elevation coniferous trees was established. We interpret that these changes in climate and vegetation were probably responses to a combination of long term global cooling since the Eocene climatic optimum and uplift of the surrounding mountains on the northern Tibetan Plateau in the early Cenozoic.
关键词	CHINESE-LOESS-PLATEAU MOLECULAR FOSSIL LIPID BIOMARKERS EOCENE UPLIFT LAKE EVOLUTION HISTORY CLIMATE POLLEN
英文关键词	n-alkanes; Xining Basin; paleoenvironment; Tibetan uplift; aridification
语种	英语
WOS研究方向	Science & Technology - Other Topics
WOS类目	Multidisciplinary Sciences
WOS记录号	WOS:000290274900009
来源期刊	CHINESE SCIENCE BULLETIN
来源机构	中国科学院青藏高原研究所
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/257932
推荐引用方式 GB/T 7714	Long LiQun,Fang XiaoMin,Miao YunFa,et al. Northern Tibetan Plateau cooling and aridification linked to Cenozoic global cooling: Evidence from n-alkane distributions of Paleogene sedimentary sequences in the Xining Basin[J]. 中国科学院青藏高原研究所,2011,56(15).
APA	Long LiQun,Fang XiaoMin,Miao YunFa,Bai Yan,&Wang YongLi.(2011).Northern Tibetan Plateau cooling and aridification linked to Cenozoic global cooling: Evidence from n-alkane distributions of Paleogene sedimentary sequences in the Xining Basin.CHINESE SCIENCE BULLETIN,56(15).
MLA	Long LiQun,et al."Northern Tibetan Plateau cooling and aridification linked to Cenozoic global cooling: Evidence from n-alkane distributions of Paleogene sedimentary sequences in the Xining Basin".CHINESE SCIENCE BULLETIN 56.15(2011).