PERFORM Publications

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Title		Authors	PubMed ID
1	From water to sediment: A meta-analysis of microplastic distribution and the impact of dams in reservoir ecosystems	Gao W; Zhang P; Wang H; Yang X; An C;	41215774 ENCS
2	Unraveling the resuspension and transformation of stranded oil: Mechanisms driving oil-particle aggregate formation in intertidal zones	Yang X; Bi H; Huang G; Zhang H; Lyu L; An C;	40544777 ENCS
3	An integrated environmental and economic assessment for the disposal of food waste from grocery retail stores towards resource recovery	Zhou S; Chen Z; Huang X; Yang X; Lyu L; An C; Peng H;	39480576 ENCS
4	The degradation of polylactic acid face mask components in different environments	Lyu L; Bagchi M; Ng KTW; Markoglou N; Chowdhury R; An C; Chen Z; Yang X;	39378804 ENCS
5	Revealing the Freezing-Induced Alteration in Microplastic Behavior and Its Implication for the Microplastics Released from Seasonal Ice	Chen Z; Elektorowicz M; An C; Tian X; Wang Z; Yang X; Lyu L;	39031076 ENCS
6	Spotlight on the vertical migration of aged microplastics in coastal waters	Yang X; Huang G; Chen Z; Feng Q; An C; Lyu L; Bi H; Zhou S;	38503206 ENCS
7	Prolonged drying impedes the detachment of microplastics in unsaturated substrate: Role of flow regimes	Feng Q; Chen Z; Huang G; An C; Yang X; Wang Z;	38340454 ENCS
8	Unveiling the Vertical Migration of Microplastics with Suspended Particulate Matter in the Estuarine Environment: Roles of Salinity, Particle Properties, and Hydrodynamics	Yang X; Huang G; Feng Q; An C; Zhou S; Bi H; Lyu L;	38306690 ENCS
9	Towards environmentally sustainable management: A review on the generation, degradation, and recycling of polypropylene face mask waste	Lyu L; Bagchi M; Markoglou N; An C; Peng H; Bi H; Yang X; Sun H;	37742382 ENCS
10	An insight into the benefits of substituting polypropylene with biodegradable polylactic acid face masks for combating environmental emissions	Lyu L; Peng H; An C; Sun H; Yang X; Bi H;	37734618 ENCS
11	Preparation, characteristics, and performance of the microemulsion system in the removal of oil from beach sand	Bi H; Mulligan CN; Lee K; An C; Wen J; Yang X; Lyu L; Qu Z;	37399736 ENCS
12	Tide-induced infiltration and resuspension of microplastics in shorelines: Insights from tidal tank experiments	Feng Q; Chen Z; An C; Yang X; Wang Z;	37084574 ENCS
13	Aggregation of microplastics and clay particles in the nearshore environment: Characteristics, influencing factors, and implications	Yang X; An C; Feng Q; Boufadel M; Ji W;	36113238 ENCS
14	Exploring the decentralized treatment of sulfamethoxazole-contained poultry wastewater through vertical-flow multi-soil-layering systems in rural communities.	Song P, Huang G, An C, Xin X, Zhang P, Chen X, Ren S, Xu Z, Yang X	33065414 ENCS
15	Removal of arsenic from water through ceramic filter modified by nano-CeO2: A cost-effective approach for remote areas.	Yang X; Huang G; An C; Chen X; Shen J; Yin J; Song P; Xu Z; Li Y;	33182193 ENCS

Title:	Spotlight on the vertical migration of aged microplastics in coastal waters
Authors:	Yang X, Huang G, Chen Z, Feng Q, An C, Lyu L, Bi H, Zhou S
Link:	https://pubmed.ncbi.nlm.nih.gov/38503206/
DOI:	10.1016/j.jhazmat.2024.134040
Publication:	Journal of hazardous materials
Keywords:	Dynamic environments; Floating; Microplastic characteristics; Settling; Weathering;
PMID:	38503206	Category:	Date Added:	2024-03-20
Dept Affiliation:	ENCS 1 Department of Building, Civil and Environmental Engineering, Concordia University, Montreal, QC H3G 1M8, Canada. 2 Environmental Systems Engineering, Faculty of Engineering and Applied Science, University of Regina, Regina, SK S4S 0A2, Canada. 3 Department of Building, Civil and Environmental Engineering, Concordia University, Montreal, QC H3G 1M8, Canada. Electronic address: chunjiang.an@concordia.ca.

Description:

Coastal waters are complex and dynamic areas with unique environmental attributes that complicate the vertical migration of microplastics (MPs). The MPs that enter coastal waters from diverse sources, including terrestrial, riverine, oceanic, and shoreline inputs undergo various aging pathways. In this study, the variations in the physiochemical characteristics of MPs undergoing various aging pathways and their vertical migration under dynamic conditions subjected to the effects of different MP characteristics and coastal environmental features were comprehensively explored. Opposite effects of aging on the vertical migration of hydrophobic and hydrophilic MPs were observed, with aging appearing to promote the dispersion of hydrophobic MPs but enhance the vertical migration of hydrophilic ones. The positive role of salinity and the negative role of humic acid (HA) concentrations on MP vertical migration were identified, and the mechanisms driving these effects were analyzed. Notably, intense turbulence not only promoted the floating of positively buoyant MPs but also reversed the migration direction of negatively buoyant MPs from downward to upward. Aging-induced changes in MP characteristics had a limited effect on MP vertical migration. The inherent characteristics of MPs and the surrounding environmental features, however, played major roles in their vertical migration dynamics. ENVIRONMENTAL IMPLICATION: Microplastics (MPs) have emerged as a significant global environmental concern and the coastal zones are the hotspots for MP pollution due to their high population density. This study comprehensively investigated the variations in the physiochemical characteristics of MPs undergoing various aging pathways. Their vertical migration patterns under dynamic conditions subjected to the effects of different MP characteristics and coastal environmental features were revealed. The roles of turbulence and MP density in their migration were identified. The findings of this study have important implications for understanding the transport and determining the ecological risks of MPs in coastal waters.

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