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Distribution of floating inertial particles in the ocean by their density: formation and evolution of the Great Pacific Garbage Patch
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Researchers modeled the density-dependent distribution of buoyant plastic debris in the ocean and traced the formation and evolution of the Great Pacific Garbage Patch, showing how particle density governs whether plastics remain at the surface or sink, and explaining the spatial concentration patterns observed in open-ocean accumulation zones.
A significant amount of man-made garbage is accumulating in the ocean, particularly plastic debris, which is hard to break down. Efforts have been made to estimate the amount of garbage, locate the areas with the highest accumulation, and clean it up. However, the problem is still growing. Our st...
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Role of Indian Ocean Dynamics on Accumulation of Buoyant Debris
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Researchers used ocean circulation modeling to investigate the role of Indian Ocean dynamics in accumulating buoyant marine plastic debris, examining how Ekman convergence and regional current patterns shape the distribution of floating debris in the Indian Ocean subtropical gyre.
Distribution of Plastics of Various Sizes and Densities in the Global Ocean From a 3D Eulerian Model
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Using a three-dimensional Eulerian transport model, researchers simulated global ocean distribution of microplastics across different sizes and densities, finding that particle buoyancy and size strongly govern vertical distribution and that significant MP fractions sink to deeper ocean layers.
Mixing of passive tracers at the ocean surface and its implications for plastic transport modelling
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Researchers modeled the mixing and transport of passive tracers — including plastic debris — at the ocean surface, finding that current-driven mixing creates complex spreading patterns that affect where floating plastics accumulate. The findings have implications for predicting the distribution of microplastic pollution across ocean basins.
Distribution of plastics of various sizes and densities in the global ocean from a 3D Eulerian model
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Researchers developed a 3D Eulerian ocean transport model to simulate the global distribution of microplastics of varying sizes and densities, incorporating particle-specific vertical terminal velocity calculations driven by ECCO ocean current data. The model revealed that particle size and density critically determine vertical distribution patterns, with smaller and denser particles sinking more rapidly and accumulating in distinct ocean depth zones.
On some physical and dynamical properties of microplastic particles in marine environment
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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.
Research digests by email
When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.