Spatial distribution, sources and ecological risk assessment of polycyclic aromatic hydrocarbons in surface seawater from Yangpu Bay, China

被引：87
作者：
Li, Ping [1 ,3 ]
Cao, Jia [2 ,3 ,5 ]
Diao, Xiaoping [1 ,2 ,3 ]
Wang, Baihua [4 ]
Zhou, Hailong [2 ]
Han, Qian [2 ]
Zheng, Pengfei [2 ,3 ]
Li, Yuhu [2 ]
机构：
[1] Hainan Univ, Coll Environm & Plant Protect, Haikou 570228, Hainan, Peoples R China
[2] Hainan Univ, Coll Agr, Haikou 570228, Hainan, Peoples R China
[3] Haikou Key Lab Environm Toxicol, Haikou 570228, Peoples R China
[4] Yangpu Entry Exit Inspect & Quarantine Bur Techno, Petrochem Analyt & Testing Ctr, Yangpu 578101, Hainan, Peoples R China
[5] China Agr Univ, Coll Resources & Environm Sci, Beijing 100193, Peoples R China
来源：
MARINE POLLUTION BULLETIN | 2015年 / 93卷 / 1-2期
基金：
中国国家自然科学基金;
关键词：
Polycyclic aromatic hydrocarbons; Surface seawater; Oil contamination; Source; Ecological risk assessment; Yangpu Bay; TEMPORAL DISTRIBUTION; COASTAL AREAS; RIVER ESTUARY; LIAODONG BAY; BOHAI SEA; PAHS; SEDIMENTS; WATER; GULF; BASIN;
D O I：
10.1016/j.marpolbul.2015.02.015
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The occurrence of 14 polycyclic aromatic hydrocarbons (PAHs) listed by the United States Environmental Protection Agency was investigated in surface seawater of Yangpu Bay, China in November 2013 (winter) and May 2014 (summer). Seventy-two samples were collected from 12 sampling sites. The total concentrations of PAHs in Yangpu Bay showed obvious variations in different seasons, which varied from 582.8 to 2208.3 ng L-1 in winter and 952.4 to 1201.7 ng L-1 in summer, respectively. Two-ring PAHs accounted for more than 91.6% of total PAHs in winter, and three-ring PAHs were dominant with 81.6% of total PAHs in summer. Molecular indices analyses indicated that the main source of PAHs in Yangpu Bay could be petrogenic contamination. The ecological risk assessment by Risk quotients (RQ(NCs) and RQ(MPCs)) showed a potential ecological risk of PAHs in Yangpu Bay, indicating a close attention should be paid to pollution of PAHs in the coastal area of Yangpu. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码：53 / 60
页数：8
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