胶州湾及青岛近海水体中多环芳烃的分布、来源及生态风险评价
The Distribution, Sources and Ecological Risk Assessment of Polycyclic Aromatic Hydrocarbons (PAHs) in Seawaters from Jiaozhou Bay and Qingdao Coastal Water
DOI: 10.12677/AAC.2019.92014, PDF,  被引量   
作者: 钟 彤, 牛 妮, 李先国, 张大海*：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，山东 青岛；史晓凤：中国海洋大学光学光电子重点实验室，山东 青岛
关键词: 多环芳烃(PAHs)；来源；生态风险评价；水体；胶州湾及青岛近海；Polycyclic Aromatic Hydrocarbons (PAHs)； Source； Ecological Risk Assessment； Seawater； Jiaozhou Bay and Qingdao Coastal Water
摘要: 本研究对胶州湾及青岛近海64个水体样品中的16种多环芳烃(PAHs)进行了测定，通过对PAHs的来源解析和生态风险评价，为研究区域PAHs污染控制和生态保护提供数据支持和理论依据。PAHs总浓度介于60.40 ng/L~465.44 ng/L之间，平均值为124.13 ng/L。菲、芴等低环(2-3环)PAHs是胶州湾及青岛近海水体中的优势组成部分。通过轻重比法、分子比值法判断，胶州湾及邻近海域水体中PAHs主要来源于石油源，同时存在煤、木材等燃烧源的输入。风险熵值法(RQs)分析表示，胶州湾及青岛近海水体中萘(Nap)、苊烯(Acpy)、荧蒽(Fla)、二苯并(a, h)、蒽(DahA)、茚并(1, 2, 3)、芘(InP)处于可忽略生态风险等级，其余单体均为中等风险水平，需进一步深入研究并制定合理防治计划。
Abstract: This study detected 16 polycyclic aromatic hydrocarbons (PAHs) in 64 seawater samples from Jiaozhou Bay and Qingdao coastal water. Source identification and ecological risk assessment of PAHs were analyzed, which is aimed to provide supporting data and a reference for PAHs pollution control and ecological protection. The concentration of ∑16PAHs ranged from 60.40 to 465.44 ng/L with a mean value of 124.13 ng/L. The proportion of PAHs composition in seawater from LHE was dominated by 2-3 ring PAHs, especially for Phe and Flu. Low molecular weight/high molecular weight PAHs (LMW/HMW) and molecular diagnostic indices were used to determine the sources of PAHs. The results suggested that main source of PAHs in seawaters of Jiaozhou Bay and Qingdao coastal area was petroleum source, whilst partly source from coal and wood combustion were ex-isted. According to risk quotients (RQs) assessment, naphthalene (Nap), acenaphthylene (Acpy), flu-oranthene (Fla), dibenz (a, h) anthracene (DahA), indeno (1, 2, 3-cd), and pyrene (InP), in Jiaozhou Bay and Qingdao coastal Water showed low ecological risk level, while the others were at moderate ecological risk level. Consequently, further study and reasonable prevention for Jiaozhou Bay and Qingdao coastal water are required.
文章引用：钟彤, 牛妮, 李先国, 史晓凤, 张大海. 胶州湾及青岛近海水体中多环芳烃的分布、来源及生态风险评价[J]. 分析化学进展, 2019, 9(2): 107-116. https://doi.org/10.12677/AAC.2019.92014

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