干旱区生态环境知识资源中心(Arid): Impact of climatic and environmental factors on ?D of n-alkanes in the lake surface sediments of arid Tibet

Arid

DOI	10.1016/j.quaint.2022.08.014
	Impact of climatic and environmental factors on ?D of n-alkanes in the lake surface sediments of arid Tibet
	Ling, Yuan; Zheng, Mianping; Sun, Qing; Zhang, Chengjun; Wang, Yong; Xie, Manman
通讯作者	Sun, Q
来源期刊	QUATERNARY INTERNATIONAL
ISSN	1040-6182
EISSN	1873-4553
出版年	2022
卷号	637 页码:44-56
英文摘要	The hydrogen isotope composition (oD) of paleoclimatic archives is increasingly being used as a proxy for the reconstruction of Quaternary hydroclimatic variability, but the factors controlling oD in arid/semi-arid regions remain poorly understood. We compared the hydrogen isotope composition of individual n-alkanes in the surface sediments of a series of lakes and puddles in Tibet with local meteorological and hydrological data. The results show that the oD of short-chain and long-chain n-alkanes is sensitive to hydroclimatic conditions, with oDp being the predominant control. oD becomes less depleted where precipitation amount and humidity are lower or evaporation is stronger. In addition, temperature is a significant factor affecting oD of mid-chain n-alkanes, with a significant negative correlation, and the temperature in spring, autumn and winter is an important influence on it. We believe that the oD of long-chain n-alkanes is still a good paleohydrological index in the arid/semi-arid region; oD indices of mid-chain and short-chain n-alkanes are also useful, and more mechanism research is needed.
英文关键词	Hydrogen isotope n-Alkanes Arid region Tibet Climate Seasonality
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:000863038400001
WOS关键词	HYDROGEN ISOTOPE RATIOS ; DELTA-D VALUES ; TERRESTRIAL PLANTS ; D/H RATIOS ; LIPID BIOMARKERS ; LEAF WAXES ; FRACTIONATION ; WATER ; RECORD ; PRECIPITATION
WOS类目	Geography, Physical ; Geosciences, Multidisciplinary
WOS研究方向	Physical Geography ; Geology
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/394100
推荐引用方式 GB/T 7714	Ling, Yuan,Zheng, Mianping,Sun, Qing,et al. Impact of climatic and environmental factors on ?D of n-alkanes in the lake surface sediments of arid Tibet[J],2022,637:44-56.
APA	Ling, Yuan,Zheng, Mianping,Sun, Qing,Zhang, Chengjun,Wang, Yong,&Xie, Manman.(2022).Impact of climatic and environmental factors on ?D of n-alkanes in the lake surface sediments of arid Tibet.QUATERNARY INTERNATIONAL,637,44-56.
MLA	Ling, Yuan,et al."Impact of climatic and environmental factors on ?D of n-alkanes in the lake surface sediments of arid Tibet".QUATERNARY INTERNATIONAL 637(2022):44-56.