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Tracing history of pollution by pre-production plastic pellets and changes in environmental regulations by using coastal sediment archives

Zenodo (CERN European Organization for Nuclear Research) 2024 Score: 35 ? 0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.

Karin Mattsson, Karin Mattsson, Karin Mattsson, Karin Mattsson, Karin Mattsson, Karin Mattsson, Karin Mattsson, Karin Mattsson, Karin Mattsson, Karin Mattsson, Karin Mattsson, Karin Mattsson, Karin Mattsson, Karin Mattsson, Irina Polovodova Asteman, Marc Metian, Martin Hassellöv, Pere Masqué Karin Mattsson, Karin Mattsson, Karin Mattsson, Karin Mattsson, Marc Metian, Martin Hassellöv, Martin Hassellöv, Marc Metian, Irina Polovodova Asteman, Irina Polovodova Asteman, Marc Metian, Martin Hassellöv, Karin Mattsson, Martin Hassellöv, Pere Masqué Martin Hassellöv, Martin Hassellöv, Martin Hassellöv, Pere Masqué Martin Hassellöv, Martin Hassellöv, Pere Masqué, Pere Masqué, Martin Hassellöv, Karin Mattsson, Martin Hassellöv, Martin Hassellöv, Martin Hassellöv, Marc Metian, Martin Hassellöv, Pere Masqué Marc Metian, Marc Metian, Marc Metian, Martin Hassellöv, Pere Masqué Karin Mattsson, Karin Mattsson, Martin Hassellöv, Martin Hassellöv, Martin Hassellöv, Martin Hassellöv, Martin Hassellöv, Martin Hassellöv, Martin Hassellöv, Marc Metian, Marc Metian, Marc Metian, Martin Hassellöv, Marc Metian, Martin Hassellöv, Martin Hassellöv, Karin Mattsson, Karin Mattsson, Martin Hassellöv, Karin Mattsson, Karin Mattsson, Marc Metian, Marc Metian, Marc Metian, Marc Metian, Pere Masqué Martin Hassellöv, Martin Hassellöv, Pere Masqué

Summary

Researchers used radiometric dating of coastal sediment cores combined with microplastic extraction from successive core intervals to reconstruct a historical record of pre-production plastic pellet pollution and assess how changes in environmental regulations have influenced accumulation rates over time. The study linked temporal patterns in pellet deposition to specific regulatory milestones, demonstrating that marine sediment archives preserve a datable record of industrial plastic pollution history.

Polymers

PE PVC

Study Type Environmental

Plastic particles pose a significant threat to the marine environment. All plastics will eventually degrade, breaking down and creating smaller sized particles, so-called microplastics. In the ocean, sooner or later microplastics will sink and end up on the sea floor. Therefore marine sediments are an important reservoir for microplastic accumulation. By combining radiometric dating of sediment cores with the extraction of microplastics from different core intervals representing different time periods, the rate of plastic accumulation over time can be determined. In this study, we collected sediment cores in the Hakefjord, in proximity to Stenungsund, a small town on the Swedish west coast and home to Sweden's largest producer of plastic pellets. There are two manufactures: one is producing polyethylene (PE) and the other one is producing polyvinyl chloride (PVC) pellets. The production of PE started in 1963 and had a constant production increase since then. Today approximately 0.75 million tonnes of PE pellets are produced yearly, which corresponds to 5 Also see: https://micro2024.sciencesconf.org/559331/document

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