Characteristics and sources of potentially toxic elements in road-deposited sediments at the Port of Busan, South Korea: A key contributor to port sediments pollution

IF 5.3 3区环境科学与生态学 Q1 ENVIRONMENTAL SCIENCES

Marine pollution bulletin Pub Date : 2024-11-16 DOI:10.1016/j.marpolbul.2024.117267

Jin Young Choi , Jae Seong Lee , Kyung-Tae Kim , Geun-Ha Park , Jun-Mo Jung , Gi Hoon Hong , Kongtae Ra , Sangmin Hyun , Chang Eon Lee , Eun-Ji Won

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Abstract

This study investigated the spatial distribution and chemical characteristics of potentially toxic elements (PTEs) in road-deposited sediments (RDS) at the Port of Busan by size fraction. Enrichment factor (EF) values for Zn, Cd, and Sb in fine RDS <250 μm were 52–69, 49–78, and 46–44, respectively, indicating ‘extremely high enrichment’. Various statistical analyses, including PCA and PMF models, revealed a strong correlation between pollution levels in RDS <250 μm and vehicle type, identifying non-exhaust emissions (NEE) of vehicles as a primary source of PTEs in RDS from the port. The risk index (RI) value of fine RDS ranged from 649 to 2238, indicating that the entire study area could be classified as having a ‘significant ecological risk,’ with higher values observed in heavy-duty vehicles (HDV) areas. The study underscores the need for effective NEE management to mitigate the environmental impact of ports on marine ecosystems.

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韩国釜山港道路沉积物中潜在有毒元素的特征和来源：港口沉积物污染的关键因素。

本研究调查了釜山港道路沉积物（RDS）中潜在有毒元素（PTEs）的空间分布和化学特征。细粒道路沉积物中锌、镉和锑的富集因子 (EF) 值

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来源期刊

Marine pollution bulletin 环境科学-海洋与淡水生物学

CiteScore

10.20

自引率

15.50%

发文量

1077

审稿时长

68 days

期刊介绍： Marine Pollution Bulletin is concerned with the rational use of maritime and marine resources in estuaries, the seas and oceans, as well as with documenting marine pollution and introducing new forms of measurement and analysis. A wide range of topics are discussed as news, comment, reviews and research reports, not only on effluent disposal and pollution control, but also on the management, economic aspects and protection of the marine environment in general.