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Numerical Simulation of Microplastics Transport in Saguenay Fjord Using Ray Tracing Particle Tracking Model
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This study applied a ray-tracing particle tracking model to numerically simulate how microplastics of varying sizes and densities are transported through Saguenay Fjord, a deep stratified fjord system in Quebec. Accurate transport simulations are essential for predicting where microplastics accumulate in aquatic food webs and ultimately reach the fish and seafood that humans consume.
Microplastics are ubiquitous pollutants in oceans, rivers, lakes, estuaries, and coastal areas, and pose a serious threat to aquatic ecology and natural ecosystems. Predicting the fate and transport of microplastics in these water systems, which are typically driven...
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Unravelling Microplastic Transport in the Gulf of St. Lawrence: Insights from Advanced Hydrodynamic Modelling Using TELEMAC-3D
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Researchers used advanced 3D hydrodynamic modeling with TELEMAC-3D to simulate microplastic transport through the stratified tidal waters of the Gulf of St. Lawrence, revealing how currents, density gradients, and tidal cycles distribute particles across this vast marine system. The modeling outputs provide a predictive framework for identifying microplastic accumulation zones and informing monitoring priorities in Canada's largest estuarine environment.
Modeling the Fate and Transport of Microplastics in Coastal Areas
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Numerical models can simulate how microplastics move through coastal environments by integrating hydrodynamic, biological, and atmospheric processes, helping predict accumulation hotspots and exposure zones. These modeling tools are vital for guiding cleanup efforts and assessing risks to coastal communities and marine food sources.
Numerical Modeling of Microplastics Fate and Transport in a Stretch of the Fraser River
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Researchers used numerical modeling to simulate how microplastics move and accumulate within a stretch of the Fraser River, providing predictions of particle fate and transport that can inform where microplastics concentrate and how rivers function as conduits delivering plastic pollution from land to sea.
Turbulent-Induced Transport of Microplastic Contaminants: A Numerical Study
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Researchers conducting numerical simulations of turbulent aquatic environments found that turbulence significantly drives the transport and dispersal of microplastic particles, with particle buoyancy and size determining vertical distribution patterns throughout the water column.
Multi-Type Microplastic Migration Model Driven by River Hydrodynamic Conditions
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Scientists built a model that predicts how different types of microplastics move through rivers, some float and travel quickly downstream, others sink to the riverbed, and some stay suspended in the water depending on their size, shape, and material. This matters because most of the microplastics found (over 70%) were smaller than half a millimeter, tiny enough to be easily ingested by fish and potentially end up in our drinking water or food supply, so understanding where they travel and accumulate can help target cleanup efforts and pollution control where they're needed most.
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When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.