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Peatland development and climate changes in the Dajiuhu basin,central China, over the last 14,100 years
Zhang,WC(Zhang,Wenchao)[1,2]; Yan,H(Yan,Hong)[1]; Cheng,P(Cheng,Peng)[1]; Lu,FY(Lu,Fengyan)[1]; Li,M(Li,Ming)[1]; Dodson. J(Dodson, J)[1,3]; Zhou,WJ(Zhou,Weijian)[1]; An,ZS(An,Zhisheng)[1]
2016-10-15
发表期刊Quaternary International
卷号425期号:2016页码:273-281
文章类型期刊论文
摘要

Peatlands are one of the optimal archives for paleoclimate research and their records contain a detailed history of climatic and environmental variations during their formation. Here we collected a peat profile from the Dajiuhu basin in central China and analyzed several geochemical proxies, such as Total Organic Carbon (TOC), Total Nitrogen (TN), Titanium (Ti) and Aluminum (Al), to investigate the history of peat development. The results show that the peat growth was initiated after around 12.8 cal ka BP at the sampling site and the TOC and TN contents kept stable during the Holocene except during the periods of 10.5–9.0 cal ka BP and recent 1.5 cal ka BP. However, compared with other TOC records in the Dajiuhu basin, the history of peat development varied greatly in different sampling sites, indicating that the peat development in the Dajiuhu basin probably responds to both climate changes and local geological and hydrological conditions. Investigations of the interactions between climate change and peat development record in this study suggest that peat development presented significant responses to the large and rapid decreases in East Asian Summer Monsoon intensity, such as the 9.2 ka monsoon weakening event. However, the obvious long-term decreasing trend of monsoon precipitation during the mid-late Holocene did not lead to the degradation of the Dajiuhu peat, probably resulting from relatively stable temperature. In addition, the sharp decrease of TOC and TN values in the surface 15 cm of Dajiuhu peat was probably attributed to increased human activity.

DOI10.1016/j.quaint.2016.06.039
收录类别SCI
语种英语
引用统计
被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/5927
专题古环境研究室
作者单位1.State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an, 710061, China;
2.University of Chinese Academy of Sciences, Beijing, 100049, China;
3.School of Earth and Environment, University of Wollongong, NSW, 2500, Australia
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GB/T 7714
Zhang,WC,Yan,H,Cheng,P,et al. Peatland development and climate changes in the Dajiuhu basin,central China, over the last 14,100 years[J]. Quaternary International,2016,425(2016):273-281.
APA Zhang,WC.,Yan,H.,Cheng,P.,Lu,FY.,Li,M.,...&An,ZS.(2016).Peatland development and climate changes in the Dajiuhu basin,central China, over the last 14,100 years.Quaternary International,425(2016),273-281.
MLA Zhang,WC,et al."Peatland development and climate changes in the Dajiuhu basin,central China, over the last 14,100 years".Quaternary International 425.2016(2016):273-281.
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