How submarine sediment avalanches transport microplastics into the deep ocean?

Much of the macro- and microplastic in the ocean ends up on the seafloor, with some of the highest concentrations reported in submarine canyons that intersect the continental shelf and directly connect to terrestrial plastic sources.Gravity-driven avalanches, also called turbidity currents, are the primary process for delivering terrestrial sediment and organic carbon to the deep…

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