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Papers
61,005 resultsShowing papers similar to Numerical Modelling Techniques for Marine Debris : A Systematic Literature Review
ClearA review of methods for modeling microplastic transport in the marine environments
This review systematically evaluated the advantages and limitations of various numerical modeling methods used to predict microplastic transport in marine environments, including key factors like parameterization of microplastic behaviors and beaching configurations.
Recent trends in marine microplastic modeling and machine learning tools: Potential for long-term microplastic monitoring
This review examines recent advances in numerical modeling and machine learning tools for tracking marine microplastic transport, highlighting their potential for improving long-term microplastic monitoring and understanding environmental fate.
Lagrangian Modeling of Marine Microplastics Fate and Transport: The State of the Science
This comprehensive review synthesizes Lagrangian modeling approaches used to track the fate and transport of marine microplastics, covering particle dynamics, buoyancy, biofouling, and sedimentation processes across global ocean systems. The authors identify key knowledge gaps and recommend standardization of model parameters to improve predictions of plastic distribution and exposure risk.
A 3D numerical model to Track Marine Plastic Debris (TrackMPD): Sensitivity of microplastic trajectories and fates to particle dynamical properties and physical processes
The TrackMPD model was introduced as a 3D numerical framework for simulating marine microplastic transport, incorporating particle properties, buoyancy changes, and physical oceanographic processes to improve trajectory and fate predictions.
Mathematical modelling and simulations for microplastic environmental research: a systematic review
This systematic review summarizes how mathematical models and computer simulations are being used to study microplastic pollution in the environment. These modeling tools help scientists predict where microplastics travel, how they accumulate, and where human exposure is most likely, which is crucial for developing effective strategies to protect public health.
Using Numerical Model Simulations to Improve the Understanding of Micro-plastic Distribution and Pathways in the Marine Environment
This review summarizes a decade of numerical models that simulate the ocean transport of microplastics, assessing how well different models capture the effects of currents, waves, and wind. The authors identify key uncertainties — especially around vertical mixing, beaching, and fragmentation — that limit the predictive accuracy of current models.
Transport of marine microplastic particles: why is it so difficult to predict?
This review examines why predicting the transport of marine microplastic particles is challenging, highlighting that the wide distributions of particle density, size, and shape create continuously varying dynamical properties such as sinking velocity and resuspension thresholds. Researchers found that existing numerical models predominantly use simplified single-particle representations and fail to capture how particle properties change over time in the marine environment.
Oceanic Transport and Source Inference of Nanoplastics
This thesis advances understanding of nanoplastic origins, transport, and fate in the ocean using numerical Lagrangian simulations, computing virtual particle trajectories to reconstruct transport pathways, infer pollution sources, and assess accumulation dynamics of nanoplastics in marine environments.
Using hydrodynamic models to understand the impacts and risks of plastic pollution
This paper used hydrodynamic computer models to simulate the transport and accumulation of plastic pollution in estuarine and coastal environments. The approach helps predict where marine litter concentrates based on currents and geography, which is useful for targeting cleanup efforts and informing coastal management policies.
A particle tracking model approach to determine the dispersal of riverine plastic debris released into the Indian Ocean
Researchers developed a particle tracking model to simulate the dispersal of riverine plastic debris released into the Indian Ocean from surrounding landmasses. The study found that plastic accumulation on beaches peaked during monsoon seasons, with ocean currents, wind, and wave action driving distinct transport patterns, providing valuable data for identifying high-risk coastal areas and informing cleanup strategies.
Numerical integrators for Lagrangian oceanography
This technical study compared numerical methods for calculating ocean particle trajectories from model current data, with relevance to tracking floating microplastics at sea. The choice of interpolation method significantly affects trajectory accuracy, with implications for marine plastic transport modeling.
A numerical framework for modeling fate and transport of microplastics in inland and coastal waters
Researchers developed a new three-dimensional numerical framework called CaMPSim-3D for predicting microplastic fate and transport in rivers, lakes, estuaries, and coastal waters. The model couples Lagrangian particle tracking with hydrodynamic modeling to help identify pollution sources and accumulation hotspots, providing a tool for informed decision-making on microplastic prevention and cleanup.
The Plastic Pathfinder: A Macroplastic Transport and Fate Model for Terrestrial Environments
Researchers introduced the Plastic Pathfinder, a computer model that simulates how plastic waste moves across land through wind, rain, and river systems before reaching the ocean. The model helps identify key transport pathways and accumulation hotspots, which is critical information for targeting plastic pollution interventions.
Modeling the Fate and Transport of Plastic Debris in Freshwaters: Review and Guidance
Researchers reviewed current mathematical models for tracking how plastic debris — including microplastics and nanoplastics — moves through freshwater environments, finding that while many principles from existing particle models apply, plastic's unique combination of high persistence, low density, and extreme size range makes its behavior far more varied and complex to predict.
Numerical Modelling of Plastic Debris Transport and Accumulation throughout Portuguese Coast
Researchers applied numerical modelling to simulate the transport and accumulation of plastic debris along the Portuguese coast, assessing how ocean currents drive microplastic dispersal and deposition patterns in this Atlantic coastal region. The study contributes spatial predictions of plastic accumulation hotspots to inform monitoring and management strategies.
Numerieke modellering van dispersie van plastic in aquatische milieus
This study developed numerical models to simulate the dispersal and spatiotemporal dynamics of microplastics in aquatic environments — including freshwater, estuarine, coastal, and marine systems — to complement field observations that alone cannot capture the full complexity of plastic transport.
Mathematical modeling of microplastic abundance, distribution, and transport in water environments: A review
This review surveys mathematical models used to predict how microplastics move through and accumulate in rivers and oceans. Researchers categorized existing approaches by environment type and modeling method, identifying strengths and gaps in current simulation tools. The study highlights the need for better models that account for real-world complexity, including particle fragmentation and biofouling, to improve predictions of where microplastics end up.
On some physical and dynamical properties of microplastic particles in marine environment
This study examined the physical and dynamical properties of microplastic particles in marine environments, using modeling to predict how particle shape, density, and size govern transport, dispersion, and accumulation patterns.
Modelling microplastic dynamics in estuaries: a comprehensive review, challenges, and recommendations
This review examined process-based numerical models used to simulate microplastic transport and fate in estuaries, identifying key challenges including particle diversity, tidal dynamics, and limited field validation data. The authors highlight how models complement observational studies and outline priorities for improving predictive accuracy in these dynamic coastal environments.
Modeling transport of microplastics in enclosed coastal waters: A case study in the Fethiye Inner Bay
A numerical model was used to simulate how microplastic particles move through the Fethiye Inner Bay in Turkey, identifying coastal areas where plastics are likely to accumulate. Such transport models are essential for predicting where marine protected areas and cleanup efforts will be most effective.
Modelling Microplastic Dynamics in Estuaries: A Comprehensive Review, Challenges and Recommendations
This comprehensive review examines how process-based computer models have been used to simulate microplastic transport and fate in estuaries — the complex, tidal zones where rivers meet the sea. It evaluates different modeling approaches for capturing hydrodynamics, particle behavior, and interactions with sediment, identifying key gaps and inconsistencies in how microplastic properties are represented. Better estuarine models are needed to predict where plastics accumulate, how long they persist, and what risks they pose to coastal ecosystems and the communities that depend on them.
Applications of mathematical modelling for assessing microplastic transport and fate in water environments: a comparative review
This systematic review evaluates mathematical models used to predict how microplastics move through and accumulate in water systems. Better models help scientists understand where microplastics end up in the environment and, ultimately, how they might reach drinking water sources and affect human exposure.
Pathways and Hot Spots of Floating and Submerged Microplastics in Atlantic Iberian Marine Waters: A Modelling Approach
Researchers combined a global ocean reanalysis model with a Lagrangian particle-tracking model to simulate the transport pathways and accumulation zones of both floating and submerged microplastics originating from southwestern Iberian coastal waters. The modelling approach identified key hotspots and transport corridors for microplastic pollution in Atlantic Iberian marine waters.
A novel modeling approaches to understand the fate and transport of microplastics in aquatic environment
This paper reviews novel modeling approaches for simulating microplastic fate and transport in aquatic environments, arguing that process-based and data-driven models are needed to complement field monitoring and improve risk assessments.