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Analysis of polycyclic aromatic hydrocarbons in tree-rings of Masson pine (Pinus massonianaL.) from two industrial sites in the Pearl River Delta, south China.

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Title: Analysis of polycyclic aromatic hydrocarbons in tree-rings of Masson pine (Pinus massonianaL.) from two industrial sites in the Pearl River Delta, south China.
Authors: Yuan-wen Kuang1,2, Guo-yi Zhou1, Da-zhi Wen1,2, Jiong Li1,2, Fang-fang Sun3
Source: Journal of Environmental Monitoring. Aug2011, Vol. 13 Issue 9, p2630-2637. 8p.
Subject Terms: *Polycyclic aromatic hydrocarbons, *Tree-rings, *Coal combustion, *Gasoline, *Emissions (Air pollution), Pine, Industrial sites & the environment, Mixtures, Pyrography
Geographic Terms: Pearl River Delta (China), China
Abstract: Concentrations of polycyclic aromatic hydrocarbons (PAHs) were examined and potential sources of PAHs were identified from the dated tree-rings of Masson pine (Pinus massonianaL.) near two industrial sites (Danshuikeng, DSK and Xiqiaoshan, XQS) in the Pearl River Delta of south China. Total concentrations of PAHs (∑PAHs) were revealed with similar patterns of temporal trends in the tree-rings at both sites, suggesting tree-rings recorded the historical variation in atmospheric PAHs. The differences of individual PAHs and of ∑PAHs detected in the tree-rings between the two sites reflected the historical differences of airborne PAHs. Regional changes in industrial activities might contribute to the site-specific and period-specific patterns of the tree-ring PAHs. The diagnostic PAH ratios of Ant/(Ant + PA), FL/(FL + Pyr), and BaA/(BaA + Chr)) revealed that PAHs in the tree-rings at both sites mainly stemmed from the combustion process (pyrogenic sources). Principal component analysis further confirmed that wood burning, coal combustion, diesel, and gasoline-powered vehicular emissions were the dominant contributors of PAHs sources at DSK, while diesel combustion, gasoline and natural gas combustion, and incomplete coal combustion were responsible for the main origins of PAHs at XQS. Tree-ring analysis of PAHs was indicative of PAHs from a mixture of sources of combustion, thus minimizing the bias of short-term active air sampling. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Environmental Monitoring is the property of Royal Society of Chemistry and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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DbLabel: GreenFILE
An: 65153516
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  Label: Title
  Group: Ti
  Data: Analysis of polycyclic aromatic hydrocarbons in tree-rings of Masson pine (Pinus massonianaL.) from two industrial sites in the Pearl River Delta, south China.
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  Data: <searchLink fieldCode="AR" term="%22Yuan-wen+Kuang%22">Yuan-wen Kuang</searchLink><relatesTo>1,2</relatesTo><br /><searchLink fieldCode="AR" term="%22Guo-yi+Zhou%22">Guo-yi Zhou</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Da-zhi+Wen%22">Da-zhi Wen</searchLink><relatesTo>1,2</relatesTo><br /><searchLink fieldCode="AR" term="%22Jiong+Li%22">Jiong Li</searchLink><relatesTo>1,2</relatesTo><br /><searchLink fieldCode="AR" term="%22Fang-fang+Sun%22">Fang-fang Sun</searchLink><relatesTo>3</relatesTo>
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  Data: *<searchLink fieldCode="DE" term="%22Polycyclic+aromatic+hydrocarbons%22">Polycyclic aromatic hydrocarbons</searchLink><br />*<searchLink fieldCode="DE" term="%22Tree-rings%22">Tree-rings</searchLink><br />*<searchLink fieldCode="DE" term="%22Coal+combustion%22">Coal combustion</searchLink><br />*<searchLink fieldCode="DE" term="%22Gasoline%22">Gasoline</searchLink><br />*<searchLink fieldCode="DE" term="%22Emissions+%28Air+pollution%29%22">Emissions (Air pollution)</searchLink><br /><searchLink fieldCode="DE" term="%22Pine%22">Pine</searchLink><br /><searchLink fieldCode="DE" term="%22Industrial+sites+%26+the+environment%22">Industrial sites & the environment</searchLink><br /><searchLink fieldCode="DE" term="%22Mixtures%22">Mixtures</searchLink><br /><searchLink fieldCode="DE" term="%22Pyrography%22">Pyrography</searchLink>
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  Data: <searchLink fieldCode="DE" term="%22Pearl+River+Delta+%28China%29%22">Pearl River Delta (China)</searchLink><br /><searchLink fieldCode="DE" term="%22China%22">China</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Concentrations of polycyclic aromatic hydrocarbons (PAHs) were examined and potential sources of PAHs were identified from the dated tree-rings of Masson pine (Pinus massonianaL.) near two industrial sites (Danshuikeng, DSK and Xiqiaoshan, XQS) in the Pearl River Delta of south China. Total concentrations of PAHs (∑PAHs) were revealed with similar patterns of temporal trends in the tree-rings at both sites, suggesting tree-rings recorded the historical variation in atmospheric PAHs. The differences of individual PAHs and of ∑PAHs detected in the tree-rings between the two sites reflected the historical differences of airborne PAHs. Regional changes in industrial activities might contribute to the site-specific and period-specific patterns of the tree-ring PAHs. The diagnostic PAH ratios of Ant/(Ant + PA), FL/(FL + Pyr), and BaA/(BaA + Chr)) revealed that PAHs in the tree-rings at both sites mainly stemmed from the combustion process (pyrogenic sources). Principal component analysis further confirmed that wood burning, coal combustion, diesel, and gasoline-powered vehicular emissions were the dominant contributors of PAHs sources at DSK, while diesel combustion, gasoline and natural gas combustion, and incomplete coal combustion were responsible for the main origins of PAHs at XQS. Tree-ring analysis of PAHs was indicative of PAHs from a mixture of sources of combustion, thus minimizing the bias of short-term active air sampling. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Environmental Monitoring is the property of Royal Society of Chemistry and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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    Identifiers:
      – Type: doi
        Value: 10.1039/c1em10166h
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 8
        StartPage: 2630
    Subjects:
      – SubjectFull: Polycyclic aromatic hydrocarbons
        Type: general
      – SubjectFull: Tree-rings
        Type: general
      – SubjectFull: Coal combustion
        Type: general
      – SubjectFull: Gasoline
        Type: general
      – SubjectFull: Emissions (Air pollution)
        Type: general
      – SubjectFull: Pine
        Type: general
      – SubjectFull: Industrial sites & the environment
        Type: general
      – SubjectFull: Mixtures
        Type: general
      – SubjectFull: Pyrography
        Type: general
      – SubjectFull: Pearl River Delta (China)
        Type: general
      – SubjectFull: China
        Type: general
    Titles:
      – TitleFull: Analysis of polycyclic aromatic hydrocarbons in tree-rings of Masson pine (Pinus massonianaL.) from two industrial sites in the Pearl River Delta, south China.
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            NameFull: Yuan-wen Kuang
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            NameFull: Guo-yi Zhou
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            NameFull: Da-zhi Wen
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            NameFull: Jiong Li
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            NameFull: Fang-fang Sun
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            – D: 30
              M: 08
              Text: Aug2011
              Type: published
              Y: 2011
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              Value: 13
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