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Microplastic abundance in the Thames River during the New Year period
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Microplastic concentrations in the Thames River were compared before and after the New Year fireworks display in London, with results suggesting a measurable increase in plastic particles following the event. The study is among the first to investigate firework displays as a potential episodic source of microplastic contamination in urban waterways.
Microplastic pollution is widely studied; however, research into the effects of large-scale firework displays and the impact on surrounding waterways appears to be lacking. This study is potentially the first to look at microplastic abundance in rivers after a major firework event. To assess the impact of the 2020 New Year's firework display in London, a 3 litre water sample was collected over nine consecutive days at Westminster on the River Thames. A total of 2760 pieces of microplastics (99% fibres) were counted using light microscopy, and further analysis was performed on representative plastic samples (354) using Fourier Transform Infrared Spectroscopy (FTIR). Whilst anthropogenic microfibres made up 11%, most microplastic identified (13.3%) were polychloroprene. This study demonstrates the occurrence of a short-term influx of microplastics in the River Thames following the New Year fireworks, which will have an additional detrimental impact on the ecology and aquaculture of the river and neighbouring waterways.
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Researchers surveyed microplastic abundance and distribution in water and organisms of the River Thames, UK, contributing data on this major urban river that drains to the sea. The study assessed both the environmental levels and the potential biological uptake of microplastics in this intensively studied river system.
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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.