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Microplastic in urban sources and receiving water within an urban area
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This international study measured microplastic concentrations in urban stormwater sources and receiving water bodies within a city, quantifying how urban runoff pathways contribute to microplastic loads in local aquatic environments.
International audience
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Microplastic contamination in an urban area: case of greater Paris
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This study quantified microplastic contamination in the Greater Paris urban area, finding plastic particles in stormwater and surface waters in and around the French capital — demonstrating that dense urban environments are significant sources of microplastic runoff to downstream aquatic systems.
Microplastics in urban stormwater sediments and runoff: An essential component in the microplastic cycle
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This review systematically analyzed microplastic contamination in urban stormwater runoff and sediments, finding concentrations that varied enormously across global studies. Researchers found that stormwater is a major but underappreciated pathway for delivering microplastics to rivers, lakes, and oceans. The study highlights that better stormwater management practices are needed to reduce this significant source of aquatic microplastic pollution.
Occurrence and Characteristics of Microplastics Pollution in Different Types of Urban Runoff
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Researchers quantified and characterized microplastics in urban surface runoff from different land use types. They found microplastics in all runoff samples, with concentrations and dominant particle types varying by land use, suggesting that road surfaces and commercial areas are significant sources. The study contributes data for urban stormwater management strategies aimed at reducing microplastic loading in receiving waterways.
The urban microplastic footprint: investigating the distribution and transport
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Researchers investigated the distribution and transport of microplastics within an urban environment, mapping the 'urban microplastic footprint' to understand how city infrastructure and land use patterns drive the spatial distribution and downstream export of plastic particles to receiving water bodies.
Estimated discharge of microplastics via urban stormwater during individual rain events
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Researchers collected stormwater samples from 15 locations during rain events to assess microplastic discharge through urban runoff. The study found highly variable microplastic concentrations influenced by catchment characteristics, and provided estimates of the quantity of microplastics released to receiving waters during rain events, highlighting urban stormwater as an important pathway for microplastic pollution.
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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.