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Multidisciplinary analysis of microplastic dynamics: from sources to environmental fate in urban rivers during floods
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Researchers conducted a multidisciplinary investigation of microplastic dynamics in urban rivers, combining flume experiments on riparian vegetation, polymer-specific quantification using PLE-Py-GC/MS, and a catchment-scale connectivity model to map land-to-river microplastic transport within the Arno basin.
This thesis investigates microplastic dynamics across scales, combining flume experiments on riparian vegetation, polymer-specific quantification with PLE–Py-GC/MS, and a catchment-scale connectivity model. It clarifies MP retention mechanisms, improves analytical reliability, and maps land-to-river MP transport from multiple sources within the Arno basin.
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Researchers surveyed microplastic distribution in urban river environments and identified key drivers of accumulation hotspots, finding that land use, hydrology, and infrastructure factors concentrated microplastics at predictable locations that could inform targeted management interventions.
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A field study tracked how a flooding river delivered plastic debris to the ocean, mapping the rapid transport of macroplastics and microplastics during a high-flow event. The research shows that floods are major episodic drivers of plastic export from land to sea, contributing disproportionately to ocean plastic budgets.
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Monitoring of urban rivers showed that microplastic concentrations fluctuate significantly with varying hydrological conditions such as storm events and seasonal flow changes. Understanding these dynamics is essential for accurately characterizing the river microplastic load and its variability over time.
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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.