Exploring the Influences of Temperature on "H-Shaped" Glycerol Dialkyl Glycerol Tetraethers in a Stratigraphic Context: Evidence From Two Peat Cores Across the Late Quaternary
Tang, Xiaotong1; Naafs, B. David A.2; Pancost, Richard D.2; Liu, Zhao3; Fan, Tongyu1; Zheng, Yanhong1,4
通讯作者Zheng, Yanhong(zhengnwu@163.com)
2021-02-02
发表期刊FRONTIERS IN EARTH SCIENCE
卷号8页码:7
摘要Unusual "H-Shaped" branched and isoprenoidal glycerol monoalkyl glycerol tetraethers (GMGTs, or H-GDGTs) have been found in peat, lake, and ocean sediments. A survey of recent samples from a modern global peat database suggested that there is a relationship between the abundance of H-GDGTs relative to regular GDGTs and temperature. However, this relationship has not been widely explored, including in a historical, stratigraphic or geological context. Here, we report the abundance and distribution of H-iso- and H-brGDGTs in two (Hani and Gushantun) peat cores from northeastern China through the late Quaternary (last 15 kyr) to examine whether the relationship between temperature and the relative abundance of H-GDGTs is preserved downcore. The results indicate that high relative abundances of H-brGDGTs are associated with high (or increasing) reconstructed mean annual air temperature (MAAT(peat)), albeit with considerable divergence in some intervals. On the other hand, high relative abundances of H-isoGDGTs are generally associated with low (or decreasing) MAAT(peat). These findings are partly inconsistent with the observations from the modern database of globally distributed peats, which showed that the abundance of both (br- and iso-) H-GDGTs is positively correlated with temperature. The deviation in the relationship between H-isoGDGTs and temperature suggests that additional factors, for example pH and shifts in archaeal community related to hydrology, exert an influence on the abundance of H-isoGDGTs on the long-term.
关键词branched glycerol dialkyl glycerol tetraethers isoprenoid glycerol dialkyl glycerol tetraethers temperature H-shaped” glycerol dialkyl glycerol tetraethers holocene peat
DOI10.3389/feart.2020.541685
收录类别SCI ; SCI
语种英语
资助项目National Natural Science Foundation of China[41872031] ; National Natural Science Foundation of China[41372033] ; Outstanding Youth Foundation of Shaanxi Province[2018JC-021] ; Key Scientific and Technological Team Project in Shaanxi Province ; Marie Curie International Incoming Fellowship within the 7th European Community Framework Program ; State Key Laboratory of Loess and Quatenary Geology[SKLLQG1731] ; MOST Special Fund from the State Key Laboratory of Continental Dynamics, Northwest University ; advanced ERC grant the Greenhouse Earth System (T-GRES)[340923] ; Royal Society Tata University Research fellowship
WOS研究方向Geology
项目资助者National Natural Science Foundation of China ; Outstanding Youth Foundation of Shaanxi Province ; Key Scientific and Technological Team Project in Shaanxi Province ; Marie Curie International Incoming Fellowship within the 7th European Community Framework Program ; State Key Laboratory of Loess and Quatenary Geology ; MOST Special Fund from the State Key Laboratory of Continental Dynamics, Northwest University ; advanced ERC grant the Greenhouse Earth System (T-GRES) ; Royal Society Tata University Research fellowship
WOS类目Geosciences, Multidisciplinary
WOS记录号WOS:000618213200001
出版者FRONTIERS MEDIA SA
引用统计
被引频次:7[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/361006/15984
专题黄土与第四纪地质国家重点实验室(2010~)
通讯作者Zheng, Yanhong
作者单位1.Northwest Univ, Dept Geol, State Key Lab Continental Dynam, Xian, Peoples R China
2.Univ Bristol, Organ Geochem Unit, Sch Earth Sci, Sch Chem,Cabot Inst Environm, Bristol, Avon, England
3.Xian Polytech Univ, Sch Environm & Chem Engn, Xian, Peoples R China
4.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian, Peoples R China
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Tang, Xiaotong,Naafs, B. David A.,Pancost, Richard D.,et al. Exploring the Influences of Temperature on "H-Shaped" Glycerol Dialkyl Glycerol Tetraethers in a Stratigraphic Context: Evidence From Two Peat Cores Across the Late Quaternary[J]. FRONTIERS IN EARTH SCIENCE,2021,8:7.
APA Tang, Xiaotong,Naafs, B. David A.,Pancost, Richard D.,Liu, Zhao,Fan, Tongyu,&Zheng, Yanhong.(2021).Exploring the Influences of Temperature on "H-Shaped" Glycerol Dialkyl Glycerol Tetraethers in a Stratigraphic Context: Evidence From Two Peat Cores Across the Late Quaternary.FRONTIERS IN EARTH SCIENCE,8,7.
MLA Tang, Xiaotong,et al."Exploring the Influences of Temperature on "H-Shaped" Glycerol Dialkyl Glycerol Tetraethers in a Stratigraphic Context: Evidence From Two Peat Cores Across the Late Quaternary".FRONTIERS IN EARTH SCIENCE 8(2021):7.
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