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This study examines wet wipes in untreated wastewater as a source of litter pollution to the Arctic marine environment, using Greenland as a case study to quantify loads of macrolitter and microplastics in wastewater effluents discharged to remote polar coastal waters.
Wet wipes in untreated wastewater are a source of litter pollution to the arctic marine environment -a case study on the loads of litter and microplastics in wastewater effl uents in Greenland
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Wet wipes in untreated wastewater are a source of litter pollution to the arctic marine environment – a case study on the loads of litter and microplastics in wastewater effluents in Greenland
AI summary Read the abstract
This case study examined loads of litter and microplastics in untreated wastewater effluents in Greenland, finding that flushed wet wipes and other macrolitter items are discharged directly into the Arctic marine environment. The study documents wet wipes as a significant and avoidable source of both litter and microplastic precursors in Arctic coastal waters.
Plastic in raw wastewater in Greenland
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Researchers quantified plastic in raw wastewater in Greenland, finding that plastic item count increased with decreasing particle size while plastic mass increased with increasing size, estimating approximately 2 tonnes of plastic discharged annually to the sea with about 60% of that total accounted for.
Summer sea ice melt and wastewater are important local sources of microlitter to Svalbard waters
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Scientists sampled waters around Svalbard and found that seasonal melting of sea ice is a significant local source of microplastics, releasing particles accumulated over winter, while untreated wastewater discharge was another important local source in this Arctic environment.
Microplastic Fiber Emissions From Wastewater Effluents: Abundance, Transport Behavior and Exposure Risk for Biota in an Arctic Fjord
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Researchers investigated how microplastic fibers emitted from untreated wastewater in an Arctic settlement on Svalbard distribute through the nearby fjord environment. The study found elevated fiber concentrations near the effluent outfall that decreased with distance, and documented potential exposure risks for local marine biota including zooplankton and benthic organisms in this sensitive Arctic ecosystem.
Sea ice and a wastewater outlet identified as hotspots for anthropogenic microlitter in Svalbard waters
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Researchers identified Arctic sea ice and a wastewater outlet in Svalbard as hotspots for microplastic accumulation in Arctic waters. Sea ice acted as a temporary reservoir for plastic particles that were then released into the water column during melting, suggesting that Arctic ice could be an important, underappreciated source of microplastic contamination in polar seas.
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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.