Spatiotemporal distributions and ecological risk of polycyclic aromatic hydrocarbons in the surface seawater of Laizhou Bay, China

被引：6

作者：

Shi, Di ^{[1
]}

Wu, Fengchang ^{[1
]}

He, Jia ^{[2
]}

Sun, Yan ^{[3
]}

Qin, Ning ^{[4
]}

Sun, Fuhong ^{[1
]}

Su, Hailei ^{[1
]}

Wang, Beibei ^{[4
]}

机构：

[1] Chinese Res Inst Environm Sci, State Key Lab Environm Criteria & Risk Assessment, Beijing 100012, Peoples R China

[2] Beijing Normal Univ, Coll Water Sci, Beijing Key Lab Urban Hydrol Cycle & Sponge City T, Beijing 100875, Peoples R China

[3] Ocean Univ China, Coll Chem & Chem Engn, Key Lab Marine Chem Theory & Technol, Minist Educ, Qingdao 266100, Peoples R China

[4] Univ Sci & Technol Beijing, Beijing 100083, Peoples R China

来源：

ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH | 2024年 / 31卷 / 08期

关键词：

PAHs; Spatiotemporal distribution; Surface seawater; Source apportionment; Probabilistic risk assessment; SOURCE APPORTIONMENT; SUBSURFACE WATER; HEAVY-METALS; TEMPORAL DISTRIBUTION; SPATIAL-DISTRIBUTION; MARINE-SEDIMENTS; BRISBANE RIVER; GOMTI RIVER; PAHS; CONTAMINATION;

D O I：

10.1007/s11356-023-31253-6

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The spatial-temporal distribution, source, and potential ecological risk of polycyclic aromatic hydrocarbons (PAHs) in surface seawater from Laizhou Bay were investigated. The total PAH (sigma PAH) concentrations ranged from 277 to 4393 ng/L with an average of 1178 ng/L, thereby suggesting a relatively moderate to high PAH exposure level in Laizhou Bay in comparison to other bays in the world. The composition patterns and source apportionment results revealed that the coal, biomass burning, diesel emissions, and petroleum combustion as well as the combination of these processes were the dominant sources of PAHs in the surface water, which were closely associated with sail process and sewage effluents. The ecological risk assessment indicated that benzo(a)pyrene (BaP), phenanthrene (Phe), luoranthene (Flua), and naphthalene (Nap) would exist ecological risks in most of surface seawater sites, but the probabilistic risk assessment (PRA) results showed that the current level of risk is not as severe as the risk quotient (RQ) results revealed.

引用

页码：12131 / 12143

页数：13

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