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Molecular and stable carbon isotopic compositions of saturated fatty acids within one sedimentary profile in the Shenhu, northern South China Sea: Source implications
Zhu, Xiaowei1,3,5; Mao, Shengyi2,3; Wu, Nengyou2,3; Sun, Yongge4; Guan, Hongxiang2,3
2014-10-01
Source PublicationJOURNAL OF ASIAN EARTH SCIENCES
Volume92Pages:262-275
AbstractThis study examined the distributions and stable carbon isotopic compositions of saturated fatty acids (SaFAs) in one 300 cm long sedimentary profile, which was named as Site4B in Shenhu, northern South China Sea. The concentrations of total SaFAs in sediments ranged from 1.80 to 10.16 mu g/g (mu g FA/g dry sediment) and showed an even-over-odd predominance in the carbon chain of C-12 to C-32, mostly with n-C-16 and n-C-18 being the two major components. The short-chain fatty acids (ScFAs; n-C-12 to n-C-18) mainly from marine microorganisms had average delta C-13 values of -26.7 parts per thousand to -28.2 parts per thousand, whereas some terrigenous-sourced long-chain fatty acids (LcFAs; n-C-21 to n-C-32) had average delta C-13 values of -29.6 parts per thousand to -34.1 parts per thousand. The other LcFAs (n-C-24 & n-C-26 similar to n-C-28; average delta C-13 values are -26.1 parts per thousand to -28.0 parts per thousand) as well as n-C-19 and n-C-20 SaFAs (average delta C-13 values are -29.1 parts per thousand and -29.3 parts per thousand, respectively) showed a mixed signal of carbon isotope compositions.
SubtypeArticle
KeywordSaturated Fatty Acids Molecular Distribution Carbon Isotope Marine Productivity Shenhu Area South China Sea
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1016/j.jseaes.2013.12.011
WOS Subject ExtendedGeology
WOS KeywordHYDROTHERMAL VENT SEDIMENTS ; SURFACE SEDIMENTS ; ORGANIC-MATTER ; PACIFIC-OCEAN ; ATLANTIC-OCEAN ; LIPIDS ; TRANSPORT ; SOIL ; BACTERIAL ; RATIOS
Indexed BySCI
Language英语
WOS SubjectGeosciences, Multidisciplinary
WOS IDWOS:000341554100019
Citation statistics
Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/10633
Collection中国科学院广州能源研究所
Affiliation1.Chinese Acad Sci, Guangzhou Inst Geochem, Guangzhou 510640, Guangdong, Peoples R China
2.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China
3.Chinese Acad Sci, Guangzhou Ctr Gas Hydrate Res, Guangzhou 510640, Guangdong, Peoples R China
4.Zhejiang Univ, Dept Earth Sci, Hangzhou 310027, Zhejiang, Peoples R China
5.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Zhu, Xiaowei,Mao, Shengyi,Wu, Nengyou,et al. Molecular and stable carbon isotopic compositions of saturated fatty acids within one sedimentary profile in the Shenhu, northern South China Sea: Source implications[J]. JOURNAL OF ASIAN EARTH SCIENCES,2014,92:262-275.
APA Zhu, Xiaowei,Mao, Shengyi,Wu, Nengyou,Sun, Yongge,&Guan, Hongxiang.(2014).Molecular and stable carbon isotopic compositions of saturated fatty acids within one sedimentary profile in the Shenhu, northern South China Sea: Source implications.JOURNAL OF ASIAN EARTH SCIENCES,92,262-275.
MLA Zhu, Xiaowei,et al."Molecular and stable carbon isotopic compositions of saturated fatty acids within one sedimentary profile in the Shenhu, northern South China Sea: Source implications".JOURNAL OF ASIAN EARTH SCIENCES 92(2014):262-275.
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