0
Article Tier 2 Environmental Sources Marine & Wildlife Sign in to save

Interaction Between Microplastic Particles and Submerged Vegetation Canopies in Waves Plus Current Environments

AI summary Read the abstract

Researchers experimentally examined how microplastic particles of varying size, shape, and density interact with submerged seagrass-like vegetation canopies under combined wave and current conditions, investigating how canopy structure modifies transport and accumulation patterns.

Study Type Environmental

The pollution of the oceans by plastic waste is one of the biggest environmental disasters of the last century. Existing studies agree that the size, shape, and density of microplastic (MP) particles significantly influence their transport characteristics (Zhang 2017, van Sebille 2020). Kerpen et al. (2020) studied the wave-induced distribution of sphere-like MPs in the surf zone on a live sandy bed. Guler et al. (2022) also investigated non-buoyant MP particle transport beneath irregular breaking waves over a live sediment bed. The focus of the present study is to experimentally examine the transport dynamics and retention of different non-buoyant MP under the effects of combined (non-breaking) irregular waves and current in coastal waters, in the presence of vegetation canopies.

More Papers Like This

Article Tier 2

Microplastic retention in marine vegetation canopies under breaking irregular waves

AI summary Read the abstract

Lab wave-tank experiments showed that coastal vegetation like seagrass can trap microplastics, but the amount retained depends on wave energy, plant density, and how fast particles sink. Dense canopies are better at catching fast-sinking particles while lighter suspended particles can pass through more easily, a finding that helps scientists predict where microplastics accumulate in coastal habitats and where cleanup efforts should focus.

Article Tier 2

Trapping of microplastics and other anthropogenic particles in seagrass beds: Ubiquity across a vertical and horizontal sampling gradient

AI summary Read the abstract

Researchers examined how seagrass beds trap microplastics and other anthropogenic particles by sampling along a vegetation cover gradient from dense beds to less vegetated patches. The study found that seagrass vegetation enhances the accumulation of plastic debris in both sediment and among plant structures. Evidence indicates that seagrass ecosystems act as significant sinks for microplastic pollution, with implications for the organisms that depend on these habitats.

Article Tier 2

Microplastic shape influences fate in vegetated wetlands

AI summary Read the abstract

Researchers investigated how vegetation structure and microplastic type influence microplastic trapping efficiency in a simulated coastal wetland using a flume experiment with branched and grassy vegetation types and a range of microplastic shapes, sizes, and polymers. They found that microplastic shape — rather than polymer type or vegetation presence — was the dominant factor determining whether particles were retained in sediment or adhered to the vegetation canopy.

Article Tier 2

Microplastic shape influences fate in vegetated wetlands

AI summary Read the abstract

Researchers used a flume experiment to measure microplastic trapping efficiency in simulated coastal wetlands with two vegetation types — branched and grassy — testing microplastics varying in shape, size, and polymer type. They found that microplastic shape, rather than polymer type or the presence of vegetation, was the primary determinant of whether particles were retained in sediment or adhered to the vegetation canopy, advancing understanding of coastal wetlands as microplastic sinks.

Article Tier 2

Modeling Microplastic and Solute Transport in Vegetated Flows

AI summary Read the abstract

Researchers developed a hydrodynamic model for microplastic transport over submerged vegetation canopies, finding that microplastics exhibited higher longitudinal dispersion than dissolved solutes and that canopy height significantly influenced mixing and transport processes.

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.

Email me about

Share this paper