Microplastics in stormwater runoff in a semiarid region, Tijuana, Mexico

被引：186

作者：

de Jesus Pinon-Colin, Teresita ^{[1
]}

Rodriguez-Jimenez, Ruben ^{[1
]}

Rogel-Hernandez, Eduardo ^{[1
]}

Alvarez-Andrade, Adriana ^{[1
]}

Wakida, Fernando Toyohiko ^{[1
]}

机构：

[1] Univ Autonoma Baja California, Calzada Univ 14418,Parque Ind Int Tijuana, Tijuana 22390, Baja California, Mexico

来源：

SCIENCE OF THE TOTAL ENVIRONMENT | 2020年 / 704卷

关键词：

Microfibers; Baja California; Urban runoff; Microplastics; Pollutant load; POLYCYCLIC AROMATIC-HYDROCARBONS; WATER TREATMENT PLANTS; MARINE POLLUTION; PLASTIC DEBRIS; HEAVY-METALS; URBAN; RIVER; ACCUMULATION; CONTAMINANTS; MANAGEMENT;

D O I：

10.1016/j.scitotenv.2019.135411

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Land-based sources are considered the most important source of microplastic pollution to marine environment. Stormwater runoff has been identified as one of the main pollutant contributors to water bodies. Seven sites were sampled to identify and quantify microplastics in stormwater runoff in Tijuana, Mexico. The median microplastic abundance found in the samples was between 66 and 191 particles L-1, the highest abundance being recorded in an industrial land use site. The estimated annual total microplastic loads were between 8 x 10(5) and 3 x 10(6) particles ha(-1). The most abundant microplastic shape and identified polymer type were fibers and polyethylene, respectively. The highest microplastic abundances were observed in events with higher rainfall. The results have shown that stormwater runoff is an important source of microplastic to water bodies. (C) 2019 Elsevier B.V. All rights reserved.

引用

页数：8

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