globalchange  > 全球变化的国际研究计划
DOI: 10.1016/j.gloplacha.2016.11.015
论文题名:
Changes in atmospheric CO2 levels recorded by the isotopic signature of n-alkanes from plants
作者: Machado K.S.; Froehner S.
刊名: Global and Planetary Change
ISSN: 0921-8181
出版年: 2017
卷: 148
起始页码: 72
结束页码: 78
语种: 英语
英文关键词: Atmospheric carbon dioxide ; Little Ice Age ; Volcanism ; δ13C signature
Scopus关键词: Atmospheric chemistry ; Carbon dioxide ; Isotopes ; Paraffins ; Anthropogenic emissions ; Atmospheric carbon dioxide ; Isotopic signatures ; Little Ice Age ; Local influence ; Sedimentary organic matter ; Temporal variation ; Volcanism ; Atmospheric composition
英文摘要: The isotopic signature of sedimentary organic matter acts as a tracer for past changes in the terrestrial and aquatic carbon cycles. The temporal variation in δ13C values of n-alkanes from plants was assigned as resulting from changes in atmospheric composition in the study area, due to both global and local influences. Two rises in atmospheric CO2 concentration were assigned from the variation in n-alkane δ13C values for the periods between 1600 and 1880 and from 1930 to the present. In the first period, the sources of excess CO2 were predominantly natural, mainly volcanism, while in the second period local anthropogenic emissions were the major reason. © 2016
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-85002816750&doi=10.1016%2fj.gloplacha.2016.11.015&partnerID=40&md5=82d673b0fd6c27b0c5099756c9f6e69d
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/11776
Appears in Collections:全球变化的国际研究计划
气候变化与战略

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作者单位: Department of Hydraulics and Sanitation, Federal University of Parana, Curitiba, PR, Brazil

Recommended Citation:
Machado K.S.,Froehner S.. Changes in atmospheric CO2 levels recorded by the isotopic signature of n-alkanes from plants[J]. Global and Planetary Change,2017-01-01,148.
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