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Comparative study on CO2 sources in soil developed on carbonate rock and non-carbonate rock in Central Guizhou
Li, TY; Wang, SJ; Zheng, LP
Corresponding AuthorWang, SJ()
2002-08-01
Source PublicationSCIENCE IN CHINA SERIES D-EARTH SCIENCES
ISSN1006-9313
Volume45Issue:8Pages:673-679
AbstractIn this paper, by using concentration and carbon stable isotope the CO2 sources of soil profiles developed on limestone, dolostone and claystone basements in Central Guizhou, China are comparatively studied. The results show that CO2 concentration of soil profiles developed on different basements is different, having the following sequence: limestone>dolostone>claystone. Below the soil depth of 20 cm from the surface the delta(13)C value of CO2 in soil profile developed on limestone ranges from -12.811parts per thousand - -13.492parts per thousand(PDB), that in soil profile developed on dolostone varys from -13.212parts per thousand - -14.271parts per thousand(PDB) and that in soil profile developed on claystone is about -20.234parts per thousand - -21.485parts per thousand(PDB). Taking the carbon isotope of soil organic matter and carbonate rock as two isotopic endmembers, the proportion of soil CO2 generated by dissolution of carbonate rock is calculated, about 21%-25% for soil profile developed on limestone basement, 19%-21% for soil profile developed on dolostone basement. There is almost no influx of CO2 generated by the dissolution of carbonate rock in soil profile developed on claystone basement.
Keywordcarbonate rock non-carbonate rock soil CO2 sources
Indexed BySCI
Language英语
WOS Research AreaGeology
WOS SubjectGeosciences, Multidisciplinary
WOS IDWOS:000176851600001
PublisherSCIENCE CHINA PRESS
Citation statistics
Cited Times:18[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/126899
Collection中国科学院金属研究所
Corresponding AuthorWang, SJ
Affiliation1.Chinese Acad Sci, Inst Geochem, State Key Lab Environm Geochem, Guiyang 550002, Peoples R China
2.Grad Sch Chinese Acad Sci, Beijing 100039, Peoples R China
3.Shanghai Univ, Dept Environm Engn, Shanghai 200072, Peoples R China
Recommended Citation
GB/T 7714
Li, TY,Wang, SJ,Zheng, LP. Comparative study on CO2 sources in soil developed on carbonate rock and non-carbonate rock in Central Guizhou[J]. SCIENCE IN CHINA SERIES D-EARTH SCIENCES,2002,45(8):673-679.
APA Li, TY,Wang, SJ,&Zheng, LP.(2002).Comparative study on CO2 sources in soil developed on carbonate rock and non-carbonate rock in Central Guizhou.SCIENCE IN CHINA SERIES D-EARTH SCIENCES,45(8),673-679.
MLA Li, TY,et al."Comparative study on CO2 sources in soil developed on carbonate rock and non-carbonate rock in Central Guizhou".SCIENCE IN CHINA SERIES D-EARTH SCIENCES 45.8(2002):673-679.
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