Modelling the distribution of microplastics released by wastewater treatment plants in Ria de Vigo (NW Iberian Peninsula)

被引：28

作者：

Sousa, Magda C. ^{[1
]}

DeCastro, Maite ^{[2
]}

Gago, Jesus ^{[3
]}

Ribeiro, Americo S. ^{[1
]}

Des, Marisela ^{[2
]}

Gomez-Gesteira, Jose L. ^{[2
]}

Dias, Joao M. ^{[1
]}

Gomez-Gesteira, Moncho ^{[2
]}

机构：

[1] Univ Aveiro, CESAM Ctr Environm & Marine Studies, Dept Phys, P-3810193 Aveiro, Portugal

[2] Univ Vigo, EphysLab Environm Phys Lab, CIM UVIGO, Edificio Campus Auga, Orense 32004, Spain

[3] IEO Inst Espanol Oceanog, Subida Radio Faro 50, Vigo 36390, Spain

来源：

MARINE POLLUTION BULLETIN | 2021年 / 166卷

关键词：

Plastic pollution; Particle tracking; Wastewater treatment plants; Numerical modelling; Ria de Vigo; Delft3D; PLASTIC DEBRIS; TRACE-METALS; RIVER PLUME; MINHO RIVER; MUSSEL; INGESTION; THAILAND; ESTUARY; SPAIN;

D O I：

10.1016/j.marpolbul.2021.112227

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The accumulation of plastic waste in estuaries is growing due to the increase in their use in daily life and their inadequate treatment on wastewater plants (WWTPs). Hydrodynamic and particle-tracking models were validated and used to improve the knowledge about the distribution and concentration of microplastics released by WWTPs in the Ria de Vigo. Results showed that the Vigo WWTP is the main driver of microplastics to the Ria de Vigo. Besides, 21% of the released microplastics reach the adjacent ocean, 24% remain anchored around the Cies Islands, and a negligible percentage reaches the upper estuary when the emission occurs under ebb on spring tide conditions. A negligible number of released microplastics is exported to the nearby ocean when the emission occurs under neap tide conditions. This research can provide a useful tool to support the identification of monitoring processes and debris removal.

引用

页数：10

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