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Year-Round Behavior of Micro-plastics in Coastline Sand
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Researchers sampled 15 stations along the southern Caspian Sea coast across all four seasons to understand how light and heavy microplastics behave differently in coastal sand throughout the year. They found that seasonal variation significantly affects microplastic distribution patterns in beach sediments.
This article aims to identify the behavior of light and heavy micro-plastics on the southern shore of the Caspian Sea during different seasons of the year. For this purpose, data from 15 sampling stations were gathered in four seasons, and subjected to various analyses after the samples were prepared. To separate light and heavy micro-plastics, the samples were washed with water. Analysis of TGA-DSC and FTIR imaging was used to quantitatively and qualitatively identify microplastic samples and optical microscope images were used to quantify the number of particles. According to the results, the amount of light microplastics in the spring and winter is less than in the summer and autumn. In the spring, the highest levels of pollutants are PVC, PES, PET and PU. In the summer and autumn, the values of PE, PP, PA, PAT, PU and PVC are at a relatively equal range. In the winter, most pollutants are PVC, PES, and PU. In conclusion, PE, PP, PPA, and PET should be removed from the environment before they can be modified by physical and chemical processes.
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Microplastics in Sediments of Southwest Caspian Sea: Characteristics, Distribution and Seasonal Variability
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This study monitored microplastic contamination in Caspian Sea sediments across four seasons, finding plastic particles present at all times and locations with an average of nearly 400 particles per kilogram of sediment. Seasonal variation in microplastic abundance was detected, likely linked to wind and current patterns that affect particle transport and deposition.
Spatial distribution of microplastics in sandy beach and inshore-offshore sediments of the southern Caspian Sea
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This study documented microplastic distribution in both nearshore and offshore sediments of the southern Caspian Sea, finding that offshore areas also contain microplastics and that currents and wind patterns influence their spatial distribution.
Changes in (micro and macro) plastic pollution in the sediment of three sandy beaches in the Eastern Mediterranean Sea, in relation to seasonality, beach use and granulometry
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Researchers measured plastic and microplastic pollution in sediment from three Mediterranean beaches across seasons, finding that smaller microplastics accumulate at the backshore while larger items concentrate near the waterline. Seasonal patterns and beach use intensity affected plastic abundance, with implications for beach management and cleanup strategies.
Seasonal Variations in the Content of Microplastic Particles in the Sands of the Beach Swash Zone
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This study tracked seasonal changes in microplastic particle concentrations in beach sands along the Vistula Spit on the Baltic Sea over multiple sampling periods. Microplastic content varied by season and particle size, providing baseline data for understanding how plastic pollution fluctuates in dynamic coastal environments.
Sources and hotspots of microplastics of the rivers ending to the southern Caspian Sea
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Researchers surveyed bank sediments from 13 rivers flowing into the southern Caspian Sea across two seasons and found microplastics at all sites with concentrations not significantly different between seasons, suggesting persistent rather than episodic contamination sources in these river systems.
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.