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Importance of atmospheric transport for microplastics deposited in remote areas
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This study highlights atmospheric transport as a significant and underappreciated pathway for depositing micro- and nanoplastics in remote areas including mountain regions and polar zones far from plastic sources. Airborne plastic particles can travel thousands of kilometers before being deposited, explaining the presence of microplastics in seemingly pristine remote environments.
Atmospheric transport is an important pathway for the deposition of micro- and nano-plastics in remote areas. However, the sources and fate of atmospheric microplastics remain poorly understood. A study on atmospheric transport and deposition in the Pyrenean Mountains highlights the movement of microplastics away from known sources (cities, agriculture, and industry) into remote areas. Following this first evidence of atmospheric microplastic deposition in a pristine location, it is necessary to reconsider previous studies on atmospheric microplastic deposition and behavior in remote areas.
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Microplastics ride the atmosphere
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Research confirms that microplastic particles are transported through the atmosphere over long distances, depositing in remote areas including the Arctic and high mountains. Atmospheric transport is now recognized as a major pathway spreading microplastic contamination to virtually every part of the planet.
Airborne microplastics in Antarctica and New Zealand.
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Researchers detected airborne microplastics at two remote sites in Antarctica and New Zealand, including in previously pristine regions far from human habitation. The presence of microplastics in Antarctic air demonstrates that atmospheric transport can carry plastic particles to even the most remote corners of the planet.
Investigating microplastic transport in remote ecosystems: High-mountain lakes of the western alps
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Researchers investigated microplastic transport to and accumulation in high-mountain lakes in remote ecosystems, using atmospheric deposition measurements and lake sediment analysis. Even at elevations above human habitation, microplastics were deposited from the atmosphere, with concentrations tracking regional air circulation patterns.
A review of microplastics pollution and its remediation methods: Current scenario and future aspects
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Researchers measured microplastic concentrations in atmospheric deposition at remote mountain sites in the Pyrenees, detecting an average of 365 particles per square meter per day. The findings confirm long-range atmospheric transport of microplastics far from pollution sources.
Microplastics: All Up in the Air?
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This review examines evidence for airborne microplastics, finding that plastic particles are transported through the atmosphere via wind and deposited in remote environments far from sources. Researchers discuss the implications for atmospheric monitoring, human inhalation exposure, and the global microplastic cycle.
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.