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61,005 resultsShowing papers similar to Investigating the amount of macro, meso, and microplastics in the surface soil around the landfill of Tabriz and the effect of the prevailing wind on their distribution
ClearMicroplastics in agricultural soils from a semi-arid region and their transport by wind erosion
Researchers found microplastics heterogeneously distributed in agricultural soils from semi-arid Iran, with plastic-mulched and wastewater-irrigated fields both contaminated, and demonstrated that wind erosion can transport microplastics from soil surfaces to new locations.
Abundance and characteristics of microplastics in different zones of waste landfill site: A case study of Hamadan, Iran
Researchers conducted the first study of microplastic abundance across different zones of a landfill in Hamadan, Iran, finding staggeringly high concentrations — up to 76,513 particles per kilogram of dry soil — in leachate lagoon areas where plastic-contaminated liquid collects. Fibers made up 71% of particles and LDPE and HDPE plastics dominated, highlighting landfills as a major but overlooked source of microplastic pollution.
Microplastics and mesoplastics as emerging contaminants in Tehran landfill soils: The distribution and induced-ecological risk
Researchers conducted the first study of microplastic and mesoplastic contamination in Tehran landfill soils, finding plastic particles in all 56 samples collected. Shallow soils had significantly higher concentrations than deeper layers, with most particles being low-density plastics from common single-use products. The calculated hazard indices reached levels III-IV, indicating moderate to high ecological risk from plastic pollution at the landfill site.
Vertical distribution and migration of microplastics in soils from Fars Province, southwest Iran
Researchers characterised microplastics in soil horizons down to 140 cm depth along four transects in Iran's Fars Province, covering managed and unmanaged land uses. Microplastic abundance and polymer types varied with depth and land use, with deeper horizons showing evidence of vertical migration through soil profile.
A review of soil pollution around municipal solid waste landfills in Iran and comparable instances from other parts of the world
This review examines soil pollution around landfills in Iran and worldwide, covering heavy metals, toxic hydrocarbons, and microplastics as major contaminants. In developing countries like Iran, rapid urbanization and inadequate waste management are making the problem worse. The findings underscore that landfills are a significant source of microplastic contamination in surrounding soils and groundwater, posing ongoing risks to nearby communities.
Microplastics and Microrubbers in Soils Around Two Landfills and a Municipal Solid Waste Transfer Station in Ahvaz Metropolis, Iran
Researchers assessed microplastic and microrubber contamination in soils surrounding two landfills and a municipal solid waste transfer station near Ahvaz Metropolis, Iran, providing baseline data on particle abundance, morphology, and polymer types in Iranian waste management sites. The study found notable concentrations of both microplastics and microrubbers in surrounding soils, identifying landfills as significant local sources of these pollutants.
Microplastic occurrence in urban and industrial soils of Ahvaz metropolis: A city with a sustained record of air pollution
Researchers documented microplastic contamination in urban and industrial soils of Ahvaz, Iran for the first time, finding concentrations up to 3,135 particles per kilogram in urban areas, with the highest levels in city centers lacking adequate sanitation infrastructure.
Wind erosion as a driver for transport of light density microplastics
Researchers investigated wind erosion as a transport mechanism for microplastics across different land uses in Iran and found that wind-eroded sediments contained significant quantities of light-density microplastic particles. Agricultural and barren lands showed higher microplastic concentrations in wind-eroded material. The study identifies wind as an important but overlooked pathway for spreading microplastic contamination across landscapes.
Investigation on Microplastics in Soil near Landfills in the Republic of Korea
Researchers found microplastics in soil samples taken near two South Korean landfills, averaging 73–98 particles per kilogram, with polypropylene and polyethylene being the dominant types and fragments being the most common shape. The high proportion of secondary (weathered) microplastics indicates that fragmentation of larger plastic waste is actively occurring at these sites. These findings confirm that landfills are a significant local source of microplastic soil contamination and warrant inclusion in national monitoring programs.
Microplastic Abundance and Characteristics in The Soil Around the Jambi Talang Gulo Landfill
Researchers measured microplastic abundance and characterized particle types in soil surrounding the Talang Gulo landfill in Jambi, Indonesia, finding that the high volume of plastic waste at the facility contributes to elevated microplastic contamination in surrounding soils through environmental weathering and fragmentation.
Microplastic pollution in landfill soil: Emerging threats the environmental and public health
Researchers measured microplastic contamination in soil at a landfill near residential areas in Indonesia and found extremely high levels of over 60,000 particles per kilogram. The most common types were fragments of polyethylene, PVC, polystyrene, and polypropylene. The study raises public health concerns because landfills near populated areas can release microplastics into surrounding soil and water, creating exposure pathways for nearby communities.
Microplastic Abundance and Characteristics in The Soil Around the Jambi Talang Gulo Landfill
Researchers measured microplastic abundance and characterized particle types in soil surrounding the Talang Gulo landfill in Jambi, Indonesia, finding elevated microplastic concentrations in areas adjacent to the high-volume waste disposal facility due to fragmentation of plastic debris under environmental weathering.
Microplastics in Landfill Environments: Distribution, Characteristics, and Risks from Gampong Jawa, Indonesia
Researchers examined microplastic distribution across soil, leachate, river water, and well water surrounding a landfill in Gampong Jawa, Indonesia. They found alarmingly high concentrations in well water (up to 979 particles per liter) and soil (over 23,000 particles per kilogram), with fragments, fibers, and films being the most common types. The study demonstrates that landfills are significant sources of microplastic contamination that can spread to surrounding communities through water and soil pathways.
Open dumping and burning: A source of terrestrial microplastics in underserved communities
Researchers extracted and characterized microplastics from soil surrounding sites where solid waste is openly dumped and burned — a waste management practice common in rural and Indigenous communities globally. The study found significant microplastic contamination even at depth, showing that open dumping is a major but overlooked source of terrestrial microplastic pollution.
Characterization of Microplastics and Associated Heavy Metals in Urban Soils Affected by Anthropogenic Littering: Distribution, Spatial Variation, and Influence of Soil Properties
Researchers sampled soils across residential, commercial, and industrial land-use types in urban areas and found microplastics in every location, with polypropylene, polyethylene, and polyamide as the dominant polymer types, at concentrations up to 850,000 particles per kilogram. Heavy metals were also associated with the plastic particles, meaning microplastics in urban soil may serve as combined carriers of chemical toxicants. The findings highlight urban soil as a major but underappreciated reservoir of microplastic pollution.
Abundance, distribution, and ecological risks of microplastics in urban and agricultural topsoil of Mian-Ab Plain, Iran
Researchers mapped microplastic contamination across 102 soil samples in an arid Iranian plain using GIS mapping and advanced spectroscopy, finding the highest concentrations near urban centers and an average of nearly 12 microplastic particles per kilogram of soil. Children faced roughly double the estimated ingestion exposure compared to adults, and the dominant plastic types — PET, polystyrene, polypropylene, and nylon — pointed to mixed household and agricultural sources.
Distribution and ecological risk of microplastics in soil at the Jatibarang landfill in Semarang, Indonesia
Researchers found up to 2,340 microplastic particles per kilogram of soil at the Jatibarang Landfill in Indonesia, with polypropylene being the most hazardous pollutant based on risk assessment scores. The study highlights that poorly managed landfills — especially those near residential areas — are significant sources of microplastic contamination in surrounding soils.
Abundances and characteristics of microplastics in core sediments of the Persian Gulf coast, Iran
Researchers sampled coastal sediments in Iran's Persian Gulf and found microplastics — including polystyrene, polyethylene, and PVC — at all six sites and at every depth down to 30 cm, averaging nearly 118 particles per kilogram of dry sediment. Fibers and fragments dominated, pointing to widespread plastic contamination from local waste mismanagement in this tidal ecosystem.
Microplastic accumulation in soils around open dumping and scrapyard sites in Türkiye
Researchers conducted the first investigation of microplastic accumulation in soils around open dumping and scrapyard sites across eight provinces in Turkey. They found microplastics in all soil samples, with fibers and fragments being the most common forms, predominantly composed of polyethylene and polypropylene. The study reveals that informal waste disposal sites are significant but previously undocumented sources of soil microplastic contamination.
Distribution and characteristics of Microplastics in leachate and underneath soil of two informal landfills
Researchers investigated microplastic distribution in leachate and underlying soils at two informal landfill sites. They found high concentrations of microplastics in both leachate and soil samples, with abundance varying by depth and landfill characteristics. The study indicates that informal landfills are significant sources of microplastic contamination that can leach into surrounding soil and potentially reach groundwater.
Microplastic Pollution in The Topsoil of Hot And Dried Areas, Human Exposure and Source Assessment, Aghili Plain, Iran
This study measured microplastic abundance, types, and distribution in topsoil from a hot, dry agricultural region in Iran. Microplastics were found across all sampling sites, with polyethylene and polypropylene being most common, likely from agricultural plastic films. The authors assessed potential human exposure through dust inhalation and found it could be a significant exposure route.
Exploring the microplastic pollution: Unveiling origins and varieties in coastal sediments and waters of the Bushehr Province, Persian Gulf, Iran
Researchers conducted a comprehensive survey of microplastic pollution in coastal sediments and waters along the Persian Gulf in Iran. They found microplastics at all sampling sites, with the highest concentrations near petrochemical facilities and urban centers, and fibers being the most common type. The study establishes baseline pollution data for the region and links contamination levels to specific human activities.
The Occurrence and Abundance of Microplastics in Dust Settled in Indoor and Outdoor Environments of Residential Houses in Kermanshah
Researchers measured microplastics in dust from homes in Kermanshah, Iran, finding them in every sample — with indoor levels significantly higher than outdoor levels and concentrations ranging up to 4,480 particles per square meter, suggesting people are regularly breathing microplastic-contaminated air inside their own homes.
Prevalence of Microplastics in Coastal Area of Samae San, Thailand and Its Possible Source
Researchers examined microplastic abundance, morphology, and polymer composition across multiple environmental matrices in Samae San, Thailand, including soil near a dumping site, road dust, beach sand, and sediment, finding the highest concentration of 93,734.3 items per kilogram dry weight at the dumping site soil.