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Supplemental Material: Turbidity currents regulate the transport and settling of microplastics in a deep-sea submarine canyon
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This study provides supplemental materials and methods for research examining how turbidity currents regulate the transport and settling of microplastics in a deep-sea submarine canyon.
Materials and Methods, Figures S1‒S8, Tables S1‒S3, and References.
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Supplemental Material: Turbidity currents regulate the transport and settling of microplastics in a deep-sea submarine canyon
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This study provides supplemental materials and methods for research examining how turbidity currents regulate the transport and settling of microplastics in a deep-sea submarine canyon.
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Researchers used sediment trap observations in Gaoping Canyon offshore Taiwan to study how turbidity currents transport and deposit microplastics in the deep sea. They found that turbidity current events significantly increased both microplastic abundance and settling flux, demonstrating that these underwater flows act as major conduits for moving plastic pollution into deep ocean environments. The study provides direct evidence that submarine canyons accumulate high microplastic concentrations partly because of the frequent turbidity currents that channel particles from shallow to deep waters.
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