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Papers
61,005 resultsShowing papers similar to Lagrangian Transport of Marine Litter in the Mediterranean Sea
ClearModeling the Pathways and Accumulation Patterns of Micro- and Macro-Plastics in the Mediterranean
A basin-scale hydrodynamic model tracked plastic debris pathways in the Mediterranean Sea, showing that coastal currents concentrate plastics in the northwestern basin and that both riverine inputs and sea-based sources contribute substantially to the distribution hotspots observed at the surface.
Lagrangian tracking of river microplastics in the Mediterranean Basin
Researchers applied a Mediterranean river microplastic source scenario to Lagrangian dispersion simulations using high-resolution 3D current fields from the SYMPHONIE hydrodynamic model, tracking river MP inputs through the semi-enclosed Mediterranean Basin to quantify sources, transfers, and accumulation hotspots.
Modeling the Fate and Distribution of Floating Litter Particles in the Aegean Sea (E. Mediterranean)
A computer model simulated where floating marine litter ends up in the Aegean Sea over 20 years, finding that particles accumulate in certain coastal areas and gyres depending on wind and current patterns. Identifying accumulation hotspots helps target monitoring and cleanup efforts.
From source to sink: part 1—characterization and Lagrangian tracking of riverine microplastics in the Mediterranean Basin
Researchers characterized riverine microplastics from source to coastal sink, using Lagrangian tracking to trace the transport of particles from inland rivers to coastal deposition zones and identifying key retention points in the system.
Quantifying Transboundary Plastic Pollution in Marine Protected Areas Across the Mediterranean Sea
Researchers used a Lagrangian drift model to quantify transboundary plastic pollution in Mediterranean marine protected areas, finding that 13 of 15 countries had at least one MPA where over 55% of macroplastic originated from foreign sources.
The dynamics of microplastics and associated contaminants: Data-driven Lagrangian and Eulerian modelling approaches in the Mediterranean Sea
Researchers compared Lagrangian and Eulerian data-driven modelling approaches to simulate microplastic dispersal and associated organic pollutant transport in the Mediterranean Sea, finding that adsorption-desorption dynamics between microplastics and hydrophobic contaminants must be coupled for accurate pollution assessment.
Simulation of the transport of marine microplastic particles in the Ionian Archipelago (NE Ionian Sea) using a Lagrangian model and the control mechanisms affecting their transport
Researchers used a Lagrangian particle-tracking model to simulate microplastic transport in the Ionian Archipelago, finding that oceanographic currents drove significant dispersal of particles released from coastal population centers, with implications for biodiversity in this ecologically sensitive part of the Mediterranean.
Pathways of marine debris derived from trajectories of Lagrangian drifters
Researchers applied a probabilistic model to global satellite-tracked ocean drifter trajectories to map marine debris pathways, identifying five subtropical convergence zones maintained by Ekman currents where floating debris — including microplastics — preferentially accumulates, confirming predictions with direct ocean surface measurements.
Microplastics in the Mediterranean: Variability From Observations and Model Analysis
Researchers combined field sampling across four Mediterranean coastal areas with hydrodynamic and particle drift modeling to characterize microplastic abundance, size, and polymer type variability, finding that wastewater and river inputs drive spatial patterns of surface MP distribution.
Sinking microplastics in the water column: simulations in the Mediterranean Sea
Researchers simulated the vertical dispersion and distribution of negatively buoyant microplastics in the Mediterranean Sea using a realistic circulation model, evaluating how inertia, Coriolis force, turbulence, and variable seawater density affect sinking trajectories and accumulation zones.
Validation of marine plastic litter distribution models on the North-Western Mediterranean
Researchers validated marine plastic litter distribution models against observational data from the North-Western Mediterranean, assessing model skill in representing spatial distribution patterns of microplastics at the sea surface, through the water column, and on the seabed. The study addressed the sparse and seasonally unrepresentative nature of existing sampling campaigns by evaluating whether models can reliably predict plastic accumulation zones and seasonal variability.
Plastic Accumulation in the Mediterranean Sea
Researchers measured floating plastic concentrations throughout the Mediterranean Sea and found densities comparable to the five major ocean garbage patches, with plastic present at 100% of sampling sites. The most common items were fragments of bags, wrapping, and fishing materials, with the highest concentrations in populated coastal areas. The study establishes the Mediterranean as a major global accumulation zone for plastic pollution, comparable to subtropical ocean gyres.
A coupled Lagrangian-Eulerian model for microplastics as vectors of contaminants applied to the Mediterranean Sea
A coupled Lagrangian-Eulerian ocean model was developed to simulate microplastics as vectors for adsorbed chemical contaminants in the Mediterranean Sea, tracking plastic particle trajectories alongside pollutant exchange dynamics. The model demonstrates that microplastics can transport contaminants across basin-scale distances and deliver them to organisms far from the original pollution source.
A Regional Lagrangian Model for Assessing the Dispersion of Floating Macroplastics from Different Source Types over the Iberian Peninsula in the North Atlantic Ocean
Researchers used a validated Lagrangian model to track floating macroplastics entering the North Atlantic from rivers, land-based sources, and maritime traffic along Spain's Atlantic coast, finding significant plastic concentrations near the coastline and at medium distances over a seven-year simulation period.
Influence of Particle Size and Fragmentation on Large-Scale Microplastic Transport in the Mediterranean Sea
Modeling of microplastic transport in the Mediterranean Sea showed that particle size and density strongly influence vertical distribution and large-scale dispersal patterns. Incorporating plastic fragmentation into the model predicted mass loss over time but also a shift toward smaller, more numerous particles that travel further and are harder to remove.
What, where, and when: Spatial-temporal distribution of macro-litter on the seafloor of the western and central Mediterranean sea
Using fishery-independent monitoring data from the western Mediterranean, this study characterized the spatial and temporal distribution of macro-litter on the seafloor, identifying accumulation hotspots to guide marine litter management efforts.
Oceanographic and anthropogenic variables driving marine litter distribution in Mediterranean protected areas: Extensive field data supported by forecasting modelling
Researchers conducted comprehensive surveys of floating macro- and microlitter in two Mediterranean Marine Protected Areas using an innovative multilevel experimental design combined with predictive modeling. Both oceanographic factors and anthropogenic pressures influenced litter distribution, with predictive models identifying accumulation hotspots within the protected areas.
The streaming of plastic in the Mediterranean Sea
Using plastic tracking models and the largest Mediterranean plastic dataset to date, researchers identified crossroad zones through which about 20% of the sea's annually released plastic debris flows through just 1% of the basin's surface area. Identifying these high-flux zones could inform targeted cleanup and monitoring strategies.
Combining Litter Observations with a Regional Ocean Model to Identify Sources and Sinks of Floating Debris in a Semi-enclosed Basin: The Adriatic Sea
Researchers combined visual ship transect observations of floating litter with a regional ocean model and particle tracking techniques to identify litter sources and predict transport pathways, providing actionable information for management and mitigation policies in a target marine basin.
Spatial distribution of microplastics in the Gulf of Cadiz as a function of their density: A Lagrangian modelling approach
Researchers coupled a Lagrangian transport model to a high-resolution hydrodynamic model to analyze microplastic distribution in the Gulf of Cadiz, finding that low-density plastics accumulate near estuary sources while high-density particles sink rapidly, with the Guadalquivir and Guadiana estuaries as the dominant input pathways.
Supplementary data for 'From source to sink: part 1—characterization and Lagrangian tracking of riverine microplastics in the Mediterranean Basin'
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.
A probabilistic Lagrangian numerical model to assess the impact of floating marine litter on Barcelona city beaches
Researchers developed a probabilistic Lagrangian model using Monte Carlo methods to assess floating marine litter impacts on Barcelona beaches, incorporating four terrestrial debris sources and the LOCATE coastal simulation framework adapted for nearshore transport. They identified wave height, source proximity, and coastline orientation as key determinants of beaching flux in a region with some of the highest marine litter concentrations in the Mediterranean.
Inferring microplastics origins in the Mediterranean Sea by coupling modelling and in-situ measurements
Researchers combined Lagrangian particle-tracking modelling with in-situ manta-net trawls north of the Balearic Islands and along the Balearic Front in autumn 2019 to infer the origins of Mediterranean microplastics. They found that the area north of Mallorca acts as a temporary three-month retention zone for microplastics originating from the Northern Current and Gulf of Lion, while retention along the Balearic Front was less clear due to frontal dynamics and strong northerly winds.
Distribution Patterns of Floating Microplastics in Open and Coastal Waters of the Eastern Mediterranean Sea (Ionian, Aegean, and Levantine Seas)
Surface microplastic distribution was mapped across the Eastern Mediterranean, including the Ionian, Aegean, and Levantine Seas, with fragment and film shapes dominating and highest concentrations found near coastal population centers and shipping lanes, confirming the Eastern Mediterranean as a significant accumulation zone.