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61,005 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 analyzed microplastic accumulation in pristine and remote soils in Iceland to test whether long-range atmospheric transport deposits microplastics in undisturbed environments. Microplastics were detected in Icelandic soils, confirming that atmospheric deposition reaches isolated environments far from plastic sources.
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.
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.
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.
Assessment of Prevalence and Heterogeneity of Meso- and Microplastic Pollution in Icelandic Waters
Surface water sampling around Iceland found mesoplastics and microplastics at all six coastal sites, with nearshore locations near populated areas showing higher concentrations, suggesting local human activity contributes to plastic pollution even in remote subarctic waters.
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.
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.
Comparison of Atmospheric Microplastic in remote and urban locations in Norway; occurrence, composition and sources
Researchers compared atmospheric microplastic deposition at two contrasting Norwegian sites - the remote High Arctic station at Ny-Alesund, Svalbard and the rural mainland site at Birkenes - using both passive and active air samplers for wet and dry deposition. The study examined whether southern European ocean currents transport microplastics to Arctic Norway and assessed the relative contribution of urban emission sources to remote atmospheric microplastic loads.
The occurrence and sources of microplastics to Arctic and sub-Arctic beaches: human influence on local microplastic hotspots
Researchers characterized microplastic occurrence and sources at Arctic and sub-Arctic beaches, finding that proximity to human settlements creates local hotspots, while more remote beaches receive microplastics primarily through long-range oceanic transport.
Comparison of Atmospheric Microplastic in remote and urban locations in Norway; occurrence, composition and sources
Researchers used passive and active air samplers at two Norwegian sites — Ny Ålesund (High Arctic) and Birkenes (mainland Norway) — to compare atmospheric microplastic deposition between remote and urban locations, assessing the role of ocean currents and urban emission sources in transporting MP to the Norwegian Arctic.
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.
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.
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.
Macroplastic in soil and peat. A case study from the remote islands of Mausund and Froan landscape conservation area, Norway; implications for coastal cleanups and biodiversity
Researchers documented macroplastic accumulation in soil and peat on the remote Norwegian islands of Mausund and Froan, finding that marine plastic litter transported to these coastal conservation areas poses threats to terrestrial biodiversity and complicates cleanup efforts.
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.
Unveiling Microplastic Abundance and Distribution in an Oceanic Island: Offshore Depository or Local Pollution Indicator
Microplastic abundance and distribution were documented across surface waters and sediments of an oceanic island, with findings indicating both local land-based pollution and ocean gyre-driven deposition of particles from distant sources.
Occurrence and sources of microplastics on Arctic beaches: Svalbard
Researchers sampled four beach sites near Longyearbyen, Svalbard, to assess microplastic contamination in the Arctic. They found microplastics at all sites, with higher concentrations closer to human settlements and wastewater discharge points. The study suggests that even remote Arctic beaches are receiving microplastic pollution, primarily from local sources rather than long-range ocean transport.
Analysis of microplastics in soils on the high-altitude area of the Tibetan Plateau: Multiple environmental factors
Researchers analyzed microplastic contamination in soils across different land use types on the high-altitude Tibetan Plateau, a remote and sparsely populated region. The study found that microplastic abundance varied with land use, altitude, meteorological conditions, and distance from roads, with greenhouse soils showing the highest concentrations, indicating that even remote high-altitude environments are not free from microplastic pollution.
Snow as an indicator of atmospheric transport of anthropogenic particles (microplastics and microfibers) from urban to Arctic regions
Researchers collected snow samples from urban Toronto, remote regions of the Yukon and Northwest Territories, and the unpopulated high Arctic to track atmospheric transport of microplastics. They found anthropogenic particles, including microplastics and microfibers, present in snow across all locations, with concentrations decreasing from urban to Arctic areas. The study provides evidence that microplastics are transported long distances through the atmosphere and deposited even in the most remote regions of the planet.
The role of oceanographic processes and sedimentological settings on the deposition of microplastics in marine sediment: Icelandic waters
Researchers analyzed microplastics from marine sediment cores collected at eight sites on the Iceland continental shelf, examining how oceanographic processes and sedimentological settings influence the deposition and distribution of microplastic debris on the seafloor.
Microplastics in snow from protected areas in Hokkaido, the northern island of Japan
Researchers found microplastics in snow samples from protected nature areas and urban sites across Hokkaido, Japan, with over half of particles smaller than 60 micrometers, confirming that snowfall acts as a carrier depositing airborne microplastics even in remote locations.
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.