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Stable carbon isotopic characteristics of fossil fuels in China
Wang, Peng1,2; Zhou, Weijian1,2,3,4; Xiong, Xiaohu1,2; Wu, Shugang1,2; Niu, Zhenchuan1,2,3; Cheng, Peng1,2; Du, Hua1,2; Hou, Yaoyao1,2
Corresponding AuthorZhou, Weijian(weijian@loess.llqg.ac.cn)
2022-01-20
Source PublicationSCIENCE OF THE TOTAL ENVIRONMENT
ISSN0048-9697
Volume805Pages:8
AbstractGood knowledge on the stable carbon isotopic composition (delta C-13) of fossil fuels is critical for the estimation of atmospheric CO2 sources. Here, we complied a comprehensive delta C-13 database including 336 coal, 580 oil, and 1160 natural gas data based on the extensive literature search, and conducted field measurements in two megacities, to characterize the delta C-13 signatures of Chinese fossil fuels. Results show that coal exhibits a narrow range and the most enriched in delta C-13 signature, oil displays intermediate variations both in the distribution and value of delta C-13. By contrast, natural gas is strongly depleted but became more enriched in delta C-13 signature due to the shift in production from isotopically light oil-type gas to isotopically heavy coal-type gas. We found an obvious overlap between the delta C-13 distributions of oil and natural gas, and the carbon isotopic difference between oil and natural gas is minimized in Ordos Basin. Therefore, we suggested that the geographic origin is a certain factor that must be considered when delta C-13 of fossil fuels is used to estimate CO2 source contributions, and the measurement of delta(CO2)-C-13 signatures of local end members is a better alternative in the absence of detailed information about the geographical origins of fossil fuels. This work is helpful in improving the ability to quantify CO2 sources of fossil fuel emissions in China, and also make a contribute to the global carbon isotope database. (C) 2021 Elsevier B.V. All rights reserved.
KeywordCarbon isotope Fossil fuel Database End-member
DOI10.1016/j.scitotenv.2021.150240
WOS KeywordATMOSPHERIC CO2 ; BIOGENIC GASES ; MIXING-RATIO ; EMISSIONS ; DELTA-C-13 ; DIOXIDE ; SPECTROSCOPY ; METHANE ; ANALYZER ; KRAKOW
Indexed BySCI ; SCI
Language英语
Funding ProjectStrategic Priority Research Program of the Chinese Academy of Sciences[XDA23010302] ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDB40000000] ; National Natural Science Foundation of China[41730108] ; Natural Science Basic Research Program of Shaanxi Province[2021JQ-319]
WOS Research AreaEnvironmental Sciences & Ecology
Funding OrganizationStrategic Priority Research Program of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; Natural Science Basic Research Program of Shaanxi Province
WOS SubjectEnvironmental Sciences
WOS IDWOS:000701667700015
PublisherELSEVIER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/17080
Collection加速器质谱中心
第四纪科学与全球变化卓越创新中心
Corresponding AuthorZhou, Weijian
Affiliation1.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian 710061, Peoples R China
2.Xian AMS Ctr, Shaanxi Key Lab Accelerator Mass Spectrometry Tec, Xian 710061, Peoples R China
3.Chinese Acad Sci, Ctr Excellence Quaternary Sci & Global Change, Xian 710061, Peoples R China
4.Xian Inst Innovat Earth Environm Res, Xian 710061, Peoples R China
Recommended Citation
GB/T 7714
Wang, Peng,Zhou, Weijian,Xiong, Xiaohu,et al. Stable carbon isotopic characteristics of fossil fuels in China[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2022,805:8.
APA Wang, Peng.,Zhou, Weijian.,Xiong, Xiaohu.,Wu, Shugang.,Niu, Zhenchuan.,...&Hou, Yaoyao.(2022).Stable carbon isotopic characteristics of fossil fuels in China.SCIENCE OF THE TOTAL ENVIRONMENT,805,8.
MLA Wang, Peng,et al."Stable carbon isotopic characteristics of fossil fuels in China".SCIENCE OF THE TOTAL ENVIRONMENT 805(2022):8.
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