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Holocene peatland development along the eastern margin of the Tibetan Plateau
Xu, H (Xu, Hai)[ 1 ]; Liu, B (Liu, Bin)[ 1,2 ]; Lan, JH (Lan, Jianghu)[ 1,2 ]; Sheng, EG (Sheng, Enguo)[ 1,2 ]; Che, S (Che, Shuai)[ 1 ]; Xu, S (Xu, Sheng)[ 3 ]
2013-07-30
Source PublicationQUATERNARY RESEARCH
Volume80Issue:1Pages:47-54
Subtype期刊论文
Abstract

Knowledge of peatland initiation, accumulation, and decline or cessation is critical in understanding peatland development and the related carbon source/sink effect. In this study, we investigated the development of three peat profiles along the eastern margin of the Tibetan Plateau (ETP) and compared the results with those of our previous work along this transect. Our work showed that the initiation over the northern ETP is later and the slowdown/cessation earlier than in the middle to southern ETP. The timing of optimum peatland formation over the northern ETP lags the Holocene climatic optimum. These spatio-temporal differences are likely to be related to the intensity of Asian summer monsoon. Our work suggests that some peatlands along the ETP transect have returned or are now returning their previously captured carbon to the atmosphere and thus act as carbon sources. Some peatlands still have net accumulation at present, but the rates have been reduced concomitant with the decreasing summer monsoon intensity. We speculate that more of the previously stored carbon in the ETP peatlands will be re-emitted to the atmosphere if the aridity continues, as might occur under a continuous global-warming scenario.

KeywordPeatland Development Accumulation Rate Carbon Effect Eastern Tibetan Plateau
DOI10.1016/j.yqres.2013.04.001
Indexed BySCI ; EI
Language英语
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Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/10028
Collection现代环境研究室
Corresponding AuthorXu, H (Xu, Hai)[ 1 ]
Affiliation1.State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an, China;
2.Graduate University of Chinese Academy of Sciences, Beijing, China;
3.Scottish Universities Environmental Research Centre, East Kilbride, Glasgow G75 0QF, UK
Recommended Citation
GB/T 7714
Xu, H ,Liu, B ,Lan, JH ,et al. Holocene peatland development along the eastern margin of the Tibetan Plateau[J]. QUATERNARY RESEARCH,2013,80(1):47-54.
APA Xu, H ,Liu, B ,Lan, JH ,Sheng, EG ,Che, S ,&Xu, S .(2013).Holocene peatland development along the eastern margin of the Tibetan Plateau.QUATERNARY RESEARCH,80(1),47-54.
MLA Xu, H ,et al."Holocene peatland development along the eastern margin of the Tibetan Plateau".QUATERNARY RESEARCH 80.1(2013):47-54.
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