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墨水河表层沉积物中多环芳烃(PAHs)的分布特征、来源解析及生态风险评价

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刘少鹏, 李先国, 张大海, 李加付, 韩彬. 墨水河表层沉积物中多环芳烃(PAHs)的分布特征、来源解析及生态风险评价[J]. 环境化学, 2018, 37(4): 843-850. doi: 10.7524/j.issn.0254-6108.2017090803
引用本文: 刘少鹏, 李先国, 张大海, 李加付, 韩彬. 墨水河表层沉积物中多环芳烃(PAHs)的分布特征、来源解析及生态风险评价[J]. 环境化学, 2018, 37(4): 843-850. doi: 10.7524/j.issn.0254-6108.2017090803
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LIU Shaopeng, LI Xianguo, ZHANG Dahai, LI Jiafu, HAN Bin. Distribution, source and ecological risk assessment of polycyclic aromatic hydrocarbons (PAHs) in surface sediments from Moshui River[J]. Environmental Chemistry, 2018, 37(4): 843-850. doi: 10.7524/j.issn.0254-6108.2017090803
Citation: LIU Shaopeng, LI Xianguo, ZHANG Dahai, LI Jiafu, HAN Bin. Distribution, source and ecological risk assessment of polycyclic aromatic hydrocarbons (PAHs) in surface sediments from Moshui River[J]. Environmental Chemistry, 2018, 37(4): 843-850. doi: 10.7524/j.issn.0254-6108.2017090803
shu

墨水河表层沉积物中多环芳烃(PAHs)的分布特征、来源解析及生态风险评价

  • 1.

    中国海洋大学海洋化学理论与工程技术教育部重点实验室, 青岛, 266100;

  • 2.

    国家海洋局第一海洋研究所, 青岛, 266061

  • 基金项目:

    国家自然科学基金（41276076）资助.

Distribution, source and ecological risk assessment of polycyclic aromatic hydrocarbons (PAHs) in surface sediments from Moshui River

  • 1.

    Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, Ocean University of China, Qingdao, 266100, China;

  • 2.

    First Institute of Oceanography, State Oceanic Administration, Qingdao, 266061, China

  • Fund Project: Supported by the National Natural Science Foundation of China (41276076).

  • 摘要: 本文运用GC-MS测定了墨水河表层沉积物中16种优控多环芳烃（PAHs）浓度，采用多种数据分析技术解析了PAHs的来源.结果表明，苊烯、苊、蒽和苯并（a）蒽在部分样品中未检出，其余12种在所有样品中均有检出，16种PAHs总浓度为196.51-8549.33 ng·g-1，平均浓度为3320.03 ng·g-1.沉积物中PAHs的环数分布以高环为主，运用轻重比、分子比值和主成分分析-多元线性回归模型（PCA-MLR）等3种方法，共同确定PAHs的主要来源分别为混合源（煤炭、生物质和汽油燃烧源）、柴油燃烧源和石油源，这3种来源对总PAHs的贡献分别为59.8%、26.0%和14.2%.效应区间低/中值法（ERL/ERM）对PAHs生态风险分析表明，芴、菲、苯并（a）蒽、、苯并（b）荧蒽、苯并（k）荧蒽和苯并（a）芘在墨水河中下游偶尔会产生负面生态风险，二苯并（a，h）蒽存在经常产生负面生态效应的可能；平均效应区间中值商法（M-ERM-Q）分析表明，墨水河上游和入海口处PAHs的综合生态风险较低，而中下游站位则具有中低风险.
    Abstract: Sixteen priority polycyclic aromatic hydrocarbons(PAHs) in the surface sediments from Moshui River were quantified by GC-MS, and sources of PAHs were analyzed based on a variety of data analysis methods. Twelve PAHs were detected in all the samples, excluding acenaphthylene, acenaphthene, anthracene and benzo(a)anthracene, which were not detected in some samples. The total concentrations of PAHs ranged from 196.51 to 8549.33 ng·g-1, with a mean value of 3320.03 ng·g-1. The proportion of 4—6 ring-PAHs was quite high. Low molecular weight/high molecular weight PAHs (LMW/HMW), molecular diagnostic ratios and principal component analysis-multiple linear regression (PCA-MLR) were used to determine the sources of PAHs. The results suggested that the source contributions were 59.8% from the mixed source (coal, biomass and gasoline combustion), 26% from diesel engine emission, and 14.2% from petroleum source. Methods of effects range low/effects range median(ERL/ERM) and mean effects range-median quotient (M-ERM-Q) were used to analyze the ecological risks of PAHs. ERL/ERM results indicated that fluorine, phenanthrene, benzo(a)anthracene, chrysene, benzo(b)- fluoranthene, benzo(k)fluoranthene and benzo(a)pyrene might cause occasionally adverse ecological effects and dibenzo(a,h)anthrancene might cause frequently adverse ecological effects at the middle and lower reaches of Moshui River. Results of M-ERM-Q suggested that the combined risk of PAHs is relatively low for the upper reach and estuary region, and is low to middle for the middle and lower reaches.
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  • 收稿日期:  2017-09-08
  • 刊出日期:  2018-04-15
刘少鹏, 李先国, 张大海, 李加付, 韩彬. 墨水河表层沉积物中多环芳烃(PAHs)的分布特征、来源解析及生态风险评价[J]. 环境化学, 2018, 37(4): 843-850. doi: 10.7524/j.issn.0254-6108.2017090803
引用本文: 刘少鹏, 李先国, 张大海, 李加付, 韩彬. 墨水河表层沉积物中多环芳烃(PAHs)的分布特征、来源解析及生态风险评价[J]. 环境化学, 2018, 37(4): 843-850. doi: 10.7524/j.issn.0254-6108.2017090803
shu
LIU Shaopeng, LI Xianguo, ZHANG Dahai, LI Jiafu, HAN Bin. Distribution, source and ecological risk assessment of polycyclic aromatic hydrocarbons (PAHs) in surface sediments from Moshui River[J]. Environmental Chemistry, 2018, 37(4): 843-850. doi: 10.7524/j.issn.0254-6108.2017090803
Citation: LIU Shaopeng, LI Xianguo, ZHANG Dahai, LI Jiafu, HAN Bin. Distribution, source and ecological risk assessment of polycyclic aromatic hydrocarbons (PAHs) in surface sediments from Moshui River[J]. Environmental Chemistry, 2018, 37(4): 843-850. doi: 10.7524/j.issn.0254-6108.2017090803
shu

墨水河表层沉积物中多环芳烃(PAHs)的分布特征、来源解析及生态风险评价

  • 1.  中国海洋大学海洋化学理论与工程技术教育部重点实验室, 青岛, 266100;
  • 2.  国家海洋局第一海洋研究所, 青岛, 266061
  • 收稿日期:  2017-09-08
基金项目:

国家自然科学基金（41276076）资助.

摘要: 本文运用GC-MS测定了墨水河表层沉积物中16种优控多环芳烃（PAHs）浓度，采用多种数据分析技术解析了PAHs的来源.结果表明，苊烯、苊、蒽和苯并（a）蒽在部分样品中未检出，其余12种在所有样品中均有检出，16种PAHs总浓度为196.51-8549.33 ng·g-1，平均浓度为3320.03 ng·g-1.沉积物中PAHs的环数分布以高环为主，运用轻重比、分子比值和主成分分析-多元线性回归模型（PCA-MLR）等3种方法，共同确定PAHs的主要来源分别为混合源（煤炭、生物质和汽油燃烧源）、柴油燃烧源和石油源，这3种来源对总PAHs的贡献分别为59.8%、26.0%和14.2%.效应区间低/中值法（ERL/ERM）对PAHs生态风险分析表明，芴、菲、苯并（a）蒽、、苯并（b）荧蒽、苯并（k）荧蒽和苯并（a）芘在墨水河中下游偶尔会产生负面生态风险，二苯并（a，h）蒽存在经常产生负面生态效应的可能；平均效应区间中值商法（M-ERM-Q）分析表明，墨水河上游和入海口处PAHs的综合生态风险较低，而中下游站位则具有中低风险.

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