Pollution and ecological risk assessments for heavy metals in coastal, river, and road-deposited sediments from Apia City in Upolu Island, Samoa SCIE SCOPUS

Cited 3 time in WEB OF SCIENCE Cited 10 time in Scopus
Title
Pollution and ecological risk assessments for heavy metals in coastal, river, and road-deposited sediments from Apia City in Upolu Island, Samoa
Author(s)
Jeong, Hyeryeong; Ra, Kongtae
KIOST Author(s)
Ra, Kongtae(나공태)
Alternative Author(s)
정혜령; 나공태
Publication Year
2023-03
Abstract
This study was the first to investigate the pollution and ecological risks of heavy metals in coastal, river/stream and road-deposited sediments (RDS) from Apia in Samoa. Cr and Ni concentrations in sediment samples were higher than those of other metals. River sediments and RDS had relatively high EF values around the intensive commercial areas, with a moderate to significant enrichment of Cu, Zn, Cd, and Pb. The results indicate that Cr and Ni have a natural origin from volcanic parent materials, while Cu, Zn, Cd, and Pb originated from anthropogenic activities, such as traffic emissions and the discharge of municipal wastewater. The assessments of pollution and ecological risk revealed that coastal sediments adjacent to the river are anthropogenically contaminated and present a moderate ecological risk. This study demonstrates that metals that have accumulated in the urban impermeable layer and river/stream bed have flowed into the coastal environment through runoff. © 2023 Elsevier Ltd
ISSN
0025-326X
URI
https://sciwatch.kiost.ac.kr/handle/2020.kiost/43905
DOI
10.1016/j.marpolbul.2023.114596
Bibliographic Citation
Marine Pollution Bulletin, v.188, 2023
Publisher
Pergamon Press Ltd.
Keywords
Coastal environment; Enrichment factor; Metal pollution; Pollution load index; Potential ecological risk index; Runoff
Type
Article
Language
English
Document Type
Article
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