Devereux, Ria, Westhead, Elizabeth Kebede, Jayaratne, Ravindra and Newport, Darryl (2022) Microplastic abundance in the Thames River during the New Year period. Marine pollution bulletin, 177 (113534). pp. 1-9. ISSN 0025-326X

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Abstract

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. [Abstract copyright: Copyright © 2022 Elsevier Ltd. All rights reserved.]

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