ArticleEnvironmental monitoring and assessment2026
Seasonality and maximum wind gusts correlate with microplastic concentrations in a freshwater stream system.
Article in Environmental monitoring and assessment, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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4 authors.
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Abstract
We evaluate how meteorological and environmental variables relate to stream microplastic concentrations using regression-based models. Forty-nine water column samples were collected bimonthly over an annual cycle (September 2024-September 2025) from a stream in southeastern Pennsylvania, USA. Microplastic particles were isolated and quantified by light microscopy, and polymer types were characterized using scanning electron microscopy with energy-dispersive X-ray spectroscopy (SEM-EDS) and Fourier transform infrared spectroscopy (FTIR). Results from three separate multiple linear regression models (stepwise selection, LASSO, and elastic net) demonstrate high variability in microplastic counts, including pronounced seasonal variability (mean = 7.6 particles L⁻
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