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Microplastics in the Estuarine Area of the Pineios River: Seasonal Trends and Variability
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Researchers examined microplastic concentrations and distribution patterns in the estuary area of Greece's Pineios River, finding clear seasonal variation with much higher levels in summer, and differences between sediment and water samples reflecting particle morphology and human activity patterns.
This study examines the concentration and distribution of microplastics in the estuary area of the Pineios River. The results show a clear seasonal pattern, with much higher microplastic levels during the summer. The difference in the shape distribution between sediment and water samples shows that human activities and the physical and chemical properties of microplastics affect where they end up in the environment.
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Spatial and Seasonal Abundance of Microplastics in Sand and Aqueous Matrices from Coastal Areas of Northern Greece
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Researchers collected and analyzed microplastics from wastewater effluents, beach sand, and seawater in Northern Greece over one year to capture seasonal variation. MP abundance varied seasonally, with higher concentrations in summer months likely linked to increased tourism and beach activity.
Microplastic pollution in Greek seas: Abundance, spatio-temporal dynamics, potential sources and post-storm amplification
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Researchers measured tiny plastic particles in seawater and sand at 27 coastal sites in Greece from 2021 to 2024. Levels were higher in winter and after heavy rain, and a major storm caused plastic pollution in one gulf to rise and stay elevated for over a year. Most particles were common plastics like polyethylene and polypropylene.
Seasonal Abundance and Distribution Patterns of Microplastics in the Lis River, Portugal
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Researchers investigated seasonal microplastic abundance and distribution in Portugal's Lis River Basin across nine sites, finding fibres and fragments dominated in both water and sediment, with polyethylene the most common polymer in water. Population density, plastic processing companies, and meteorological factors were all associated with seasonal variation in microplastic patterns.
Effects of seasonal variation and resuspension on microplastics in river sediments
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Researchers measured microplastic concentrations in river sediments across multiple seasons and examined the role of resuspension events, finding that MP levels varied significantly by season and that high-flow events released previously deposited particles, redistributing contamination downstream.
Spatio-temporal variations in microplastic presence and composition in the sediments of the R. Thames (UK) and its tributaries
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Researchers analyzed sediment samples from the Thames River and its tributaries over time to document spatial and temporal variations in microplastic composition, including polymer type and morphology. The study found that riverbed sediments retain much higher microplastic concentrations than surface water, with distinct seasonal and spatial patterns.
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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.