IEECAS OpenIR  > 黄土与第四纪地质国家重点实验室(2010~)
The quantitative reconstruction of the palaeoclimate between 5200 and 4300 cal yr BP in the Tianshui Basin, NW China
Sun, N (Sun, N.)[1,2]; Li, XQ (Li, X. Q.)[1,2]
2012
Source PublicationCLIMATE OF THE PAST
Volume8Issue:2Pages:625-636
Subtype期刊论文
Abstract

The quantitative reconstruction of the palaeoclimate is a prerequisite for understanding climate processes at time scales of centuries and millennia. Here, the coexistence approach (CA) was applied to reconstruct climatic factors quantitatively based on the fossil charcoal records between 5200 and 4300 cal yr BP in the Tianshui Basin, NW China. The CA analysis showed that the climate of the Tianshui Basin belonged to the northern subtropical zone between 5200 and 4300 cal yr BP. The mean annual temperature (MAT) was approximately 13.2 A degrees C, and the mean annual precipitation (MAP) was approximately 778 mm between 5200 and 4900 cal yr BP. The MAT was approximately 13.2 A degrees C, and the MAP was approximately 688 mm between 4800 and 4300 cal yr BP. The MAT was approximately 2.2 A degrees C higher than today, and the MAP was approximately 280 mm higher than today from 5200 to 4900 cal yr BP. The MAT was also approximately 2.2 A degrees C higher than today from 4800 to 4300 cal yr BP, while the MAP was approximately 196 mm higher than today. No abrupt cold event occurred between 5200 and 4300 cal yr BP; however, a drought tendency appeared after around 4800 cal yr BP.

DOI10.5194/cp-8-625-2012
Indexed BySCIE
Language英语
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/10161
Collection黄土与第四纪地质国家重点实验室(2010~)
Corresponding AuthorLi, XQ (Li, X. Q.)[1,2]
Affiliation1.The Laboratory of Human Evolution, Institute of Vertebrate Palaeontology and Palaeoanthropology,Chinese Academy of Sciences, 142 Xizhimenwai street, Beijing, 100044, China;
2.State Lab of Loess & Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, Hi-Tech Zone,Xi’an, 710075, Shaanxi, China
Recommended Citation
GB/T 7714
Sun, N ,Li, XQ . The quantitative reconstruction of the palaeoclimate between 5200 and 4300 cal yr BP in the Tianshui Basin, NW China[J]. CLIMATE OF THE PAST,2012,8(2):625-636.
APA Sun, N ,&Li, XQ .(2012).The quantitative reconstruction of the palaeoclimate between 5200 and 4300 cal yr BP in the Tianshui Basin, NW China.CLIMATE OF THE PAST,8(2),625-636.
MLA Sun, N ,et al."The quantitative reconstruction of the palaeoclimate between 5200 and 4300 cal yr BP in the Tianshui Basin, NW China".CLIMATE OF THE PAST 8.2(2012):625-636.
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