Heavy metals transport pathways: The importance of atmospheric pollution contributing to stormwater pollution

Ecotoxicology and Environmental Safety
An LiuAshantha Goonetilleke

Abstract

Pollution has become a serious issue in the urban water environment as stormwater runoff transports a range of pollutants to receiving water bodies, undermining water quality and posing human and ecosystem health risks. Commonly, the primary focus of stormwater quality research is on the role of pollutants directly accumulating at the ground phase. However, atmospheric phase can also exert a significant impact on stormwater quality through atmospheric deposition. Unfortunately, only limited research has focused on the linkage between atmospheric and ground phases in relation to urban stormwater quality. The study discussed in this paper characterised the four primary transport pathways, atmospheric build-up (AB), atmospheric deposition (AD) and road surface build-up (BU) and wash-off (WO) in relation to heavy metals, which is a key urban stormwater pollutant. The research outcomes confirmed the direct linkage between atmospheric phase and ground phase and in turn the significance of atmospheric heavy metals as a contributing source to stormwater runoff pollution. Zn was the most dominant heavy metal in all four pathways. For the AB pathway, atmospheric heavy metal pollution on weekdays is more serious than weekends. For the AD ...Continue Reading

Citations

Jun 28, 2019·Water Environment Research : a Research Publication of the Water Environment Federation·Carolyn M RodakJason R Vogel
Aug 20, 2019·Water Environment Research : a Research Publication of the Water Environment Federation·Qiyu LianDaniel Dianchen Gang
Apr 24, 2020·Environmental Science and Pollution Research International·Zizeng LinHai Yang
Jun 17, 2020·Water Science and Technology : a Journal of the International Association on Water Pollution Research·Chao GuoYajiao Li
Dec 29, 2020·Journal of Environmental Management·Thamali PereraAshantha Goonetilleke
Jan 24, 2021·The Science of the Total Environment·Mathis L MessagerPhillip S Levin
Jan 10, 2022·The Science of the Total Environment·Maija TakaHeikki Setälä

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