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Supporting Data for "Identifying the Origins of Nanoplastics in the Abyssal South Atlantic Using Backtracking Lagrangian Simulations with Fragmentation"
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Researchers provided supporting simulation data and analysis code for a study tracing the origins of nanoplastics found in the abyssal South Atlantic Ocean using backtracking Lagrangian particle simulations that incorporated plastic fragmentation dynamics. The repository includes the computational tools and supplementary documentation used in the associated manuscript.
Supporting Data for "Identifying the Origins of Nanoplastics in the Abyssal South Atlantic Using Backtracking Lagrangian Simulations with Fragmentation". The repository consists of the simulations and analysis data used for the study. The code used for the simulations and analysis, and the supplementary information document associated with the main manuscript.
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Identifying the origins of nanoplastics in the abyssal South Atlantic using backtracking Lagrangian simulations with fragmentation
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Researchers used a Lagrangian 3D model incorporating fragmentation processes to backtrack nanoplastic particles (identified as PET-like by photo-induced force microscopy) sampled at 5,170 m depth in the South Atlantic abyssal zone to identify their likely ocean surface origins. The fragmentation scheme strongly influenced particle drift trajectories by affecting sinking velocity, and the analysis found it highly unlikely the particles entered the ocean already as nanoplastics, contributing to understanding of deep-sea nanoplastic sources.
Identifying the Origins of PET Nanoplastics in the Abyssal South Atlantic Using Backtracking Lagrangian Simulations with Fragmentation
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Researchers used Lagrangian ocean simulations to backtrack PET nanoplastics found at 5,170 meters depth in the South Atlantic Ocean to their likely sources. The modeling suggested the particles originated from coastal areas and were transported to the deep sea through ocean circulation over years to decades. The findings demonstrate that nanoplastics can reach the deepest parts of the ocean far from their land-based origins.
Backtracking nanoplastics found in the abyssal South Atlantic using Lagrangian simulations with fragmentation
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Using ocean current modeling, researchers traced nanoplastics collected at 5,170 meters depth in the South Atlantic abyssal zone back to their likely origin, identifying sources in West African and South American coastal regions. The modeling showed that these deep-sea nanoplastics had traveled thousands of kilometers while also fragmenting into smaller particles during transport. The study provides evidence that nanoplastics can reach even the deepest ocean trenches through a combination of current transport and progressive fragmentation.
Oceanic Transport and Source Inference of Nanoplastics
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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.
Supplementary data for 'From source to sink: part 1—characterization and Lagrangian tracking of riverine microplastics in the Mediterranean Basin'
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This data deposit provides the geographic datasets and Lagrangian particle-tracking simulation outputs used to map how microplastics travel from Mediterranean rivers into the sea and where they accumulate on the surface and seafloor. The underlying research quantifies microplastic fluxes from 549 Mediterranean river basins, providing a foundation for understanding which coastal and marine areas face the highest microplastic exposure from riverine inputs.
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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.