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20 resultsShowing papers similar to Assessing microplastic contamination in Icelandic soils: Insights from pristine, agricultural, and urban environments
ClearAssessing microplastic contamination in Icelandic soils: Insights from pristine, agricultural, and urban environments
Researchers assessed microplastic contamination in Icelandic soils including pristine, agricultural, and urban sites to determine whether long-range atmospheric deposition reaches this sparsely populated island. Microplastics were detected across all site types, confirming atmospheric transport as a pathway to remote northern ecosystems.
Assessing microplastic contamination in Icelandic soils: Insights from remote, agricultural, and urban environments
Microplastics were detected in all Icelandic soil samples from remote, agricultural, and urban sites, with urban soils showing the highest average counts (26,206 particles/kg) and remote soils the lowest (857 particles/kg), confirming that even sparsely inhabited areas experience MP contamination.
Importance of atmospheric transport for microplastics deposited in remote areas
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.
A review of microplastics pollution and its remediation methods: Current scenario and future aspects
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.
Airborne microplastics in Antarctica and New Zealand.
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.
Atmospheric Microplastic in the Arctic and Mainland Norway; comparing urban and remote locations
Researchers deployed passive and active air samplers at two remote stations, Ny Alesund in the High Norwegian Arctic and Birkenes on mainland Norway, to compare atmospheric microplastic concentrations, compositions, and deposition rates between urban and remote locations to evaluate the magnitude of long-range atmospheric MP transport to the Arctic.
Atmospheric Deposition Of Microplastics Recorded In Icelandic Lake Sediments: Estimating Microplastic Fluxes Using Short Sediment Cores
Researchers sampled sediment cores from six remote Icelandic crater lakes to estimate atmospheric microplastic deposition flux rates, finding that Iceland's position within major oceanic currents and weather patterns makes it a sentinel site for studying long-range Arctic-bound microplastic transport.
Airborne microplastic concentrations in remote coastal environments
Researchers measured airborne microplastic concentrations at coastal sites in New Zealand near the Southern Ocean to assess whether sea-spray generates significant atmospheric plastic loads. Microplastics were detected at all coastal sampling locations despite the region's remoteness from plastic production, suggesting marine-to-atmosphere transfer is an important pathway even in pristine coastal environments.
Remote alpine lakes and microplastic contamination: Insights from sediment analysis of lake cadagno
Researchers investigated microplastic contamination in sediments from remote alpine lakes, environments that serve as sensitive indicators of long-range atmospheric transport and global environmental change. Microplastics were detected even in these isolated high-altitude lakes, confirming that atmospheric deposition delivers plastic particles to ecosystems far from direct human activity.
Atmospheric deposition drives microplastic contamination in remote lakes of Newfoundland, Canada
Researchers found significant microplastic contamination in lake sediments across remote areas of Newfoundland, Canada, with concentrations between 6,000 and 24,000 particles per kilogram. Because the lakes are in sparsely populated areas with minimal water inflow, the pollution is attributed to atmospheric transport via wind, rain, and snow from distant sources. The study demonstrates that microplastics can travel through the atmosphere and accumulate even in isolated, high-latitude freshwater environments.
Polar Particles: Atmospheric Microplastic Pollution in the Arctic Region – an examination of deposited and suspended microplastics in Ny-Ålesund, Svalbard
Researchers collected both deposited and suspended atmospheric microplastics in Ny-Ålesund, Svalbard, in the first study of its kind in the high Arctic planetary boundary layer. Despite the remote location, measurable concentrations were found, implicating long-range atmospheric transport as a key pathway for microplastic deposition in polar regions.
Spatial distribution of microplastic contamination on alpine glaciers
Researchers characterized microplastic contamination in the supraglacial debris of 13 Alpine glaciers spanning Italy, France, Switzerland, and Austria, collecting 70 debris samples to investigate atmospheric deposition as the primary mechanism by which microplastics reach these remote high-altitude environments.
Occurrence of anthropogenic microparticles in soils of teide national park
Researchers found anthropogenic microparticles including microplastics in soils of Teide National Park in Tenerife, a protected UNESCO World Heritage Site far from industrial activity. The contamination indicates long-range atmospheric transport as the likely delivery mechanism to this remote high-altitude location.
Atmospheric microplastics in the Arctic Region: An examination of deposited and suspended atmospheric microplastics in Ny-Ålesund, Svalbard
Researchers measured atmospheric microplastic deposition and suspension in Ny-Alesund, Svalbard, finding microplastics in both deposited and airborne samples from this remote High Arctic location and characterizing dominant polymer types and potential source regions.
Assessing the external atmospheric input of microplastics: Two strategies based on polymer composition and aging characteristics
Researchers compared microplastic pollution in dust from a sparsely populated area on the Mongolian Plateau and a densely populated city, using polymer composition and aging characteristics to distinguish locally generated microplastics from those transported externally via long-distance atmospheric transport.
Remote alpine lakes and microplastic contamination: Insights from sediment analysis of lake cadagno
Researchers analyzed sediment cores from remote alpine lakes for microplastic contamination, finding evidence of long-range atmospheric transport delivering particles to these isolated high-altitude ecosystems. Microplastic concentrations in the sediments increased over time, mirroring historical trends in global plastic production.
Origins and ecological risk of atmospheric microplastics at a remote background site in Japan
Atmospheric microplastics collected at a high-altitude site were traced to both local and long-range transport origins, revealing the broad geographical spread of airborne plastic particles. The ecological risk assessment found potential impacts on vulnerable high-elevation ecosystems far from pollution sources.
Investigating microplastic transport in remote ecosystems: High-mountain lakes of the western alps
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.
Investigating microplastic flux rates in icelandic lakes: Linking atmospheric deposition to precipitation patterns
This study measured microplastic deposition rates into Icelandic lakes and linked the patterns to local precipitation, suggesting that rainfall and snowfall are key mechanisms driving plastic particles out of the atmosphere and into freshwater. Iceland's remote location makes these findings particularly striking, demonstrating that atmospheric microplastic transport reaches even sparsely populated sub-Arctic regions.
Investigating microplastic flux rates in icelandic lakes: Linking atmospheric deposition to precipitation patterns
This study measured microplastic deposition rates into Icelandic lakes and linked the patterns to local precipitation, suggesting that rainfall and snowfall are key mechanisms driving plastic particles out of the atmosphere and into freshwater. Iceland's remote location makes these findings particularly striking, demonstrating that atmospheric microplastic transport reaches even sparsely populated sub-Arctic regions.