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Macroplastic Storage and Remobilization in Rivers

Preprints.org 2020 20 citations ? Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count. Score: 40 ? 0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.
Tim van Emmerik Tim van Emmerik Tim van Emmerik Tim van Emmerik Tim van Emmerik Tim van Emmerik Tim van Emmerik Tim van Emmerik Tim van Emmerik Tim van Emmerik Maciej Liro, Maciej Liro, Maciej Liro, Maciej Liro, Maciej Liro, Maciej Liro, Maciej Liro, Maciej Liro, Maciej Liro, Maciej Liro, Maciej Liro, Maciej Liro, Maciej Liro, Maciej Liro, Maciej Liro, Maciej Liro, Maciej Liro, Maciej Liro, Maciej Liro, Maciej Liro, Maciej Liro, Maciej Liro, Tim van Emmerik Tim van Emmerik Tim van Emmerik Tim van Emmerik Tim van Emmerik Tim van Emmerik Tim van Emmerik Tim van Emmerik Tim van Emmerik Tim van Emmerik Tim van Emmerik Tim van Emmerik Paweł Mikuś, Tim van Emmerik Tim van Emmerik Tim van Emmerik Paweł Mikuś, Tim van Emmerik Tim van Emmerik Tim van Emmerik Tim van Emmerik Tim van Emmerik Tim van Emmerik Tim van Emmerik Tim van Emmerik Tim van Emmerik Tim van Emmerik Tim van Emmerik Tim van Emmerik Tim van Emmerik Tim van Emmerik Tim van Emmerik Tim van Emmerik Tim van Emmerik Tim van Emmerik Tim van Emmerik Tim van Emmerik Paweł Mikuś, Maciej Liro, Bartłomiej Wyżga‬‬, Tim van Emmerik Tim van Emmerik Tim van Emmerik Tim van Emmerik Tim van Emmerik Tim van Emmerik Tim van Emmerik Tim van Emmerik Tim van Emmerik Tim van Emmerik Tim van Emmerik Tim van Emmerik Tim van Emmerik Tim van Emmerik Tim van Emmerik Maciej Liro, Paweł Mikuś, Paweł Mikuś, Paweł Mikuś, Paweł Mikuś, Bartłomiej Wyżga‬‬, Justyna Liro, Justyna Liro, Tim van Emmerik Tim van Emmerik Tim van Emmerik Paweł Mikuś, Tim van Emmerik Tim van Emmerik Tim van Emmerik Tim van Emmerik Tim van Emmerik Justyna Liro, Tim van Emmerik Tim van Emmerik Tim van Emmerik Tim van Emmerik Tim van Emmerik Paweł Mikuś, Justyna Liro, Paweł Mikuś, Paweł Mikuś, Tim van Emmerik Tim van Emmerik Tim van Emmerik Tim van Emmerik Tim van Emmerik Tim van Emmerik Tim van Emmerik Tim van Emmerik Tim van Emmerik Paweł Mikuś, Tim van Emmerik Tim van Emmerik Tim van Emmerik Tim van Emmerik Tim van Emmerik Tim van Emmerik Tim van Emmerik Tim van Emmerik Tim van Emmerik Tim van Emmerik Tim van Emmerik Tim van Emmerik

Summary

Researchers developed a conceptual model of macroplastic debris transport through fluvial systems, dividing the pathway into input, transport, storage, remobilization, and output phases and hypothesizing that natural channel dynamics control whether river systems act as net sources or sinks of plastic pollution.

Study Type Environmental

The paper presents a conceptual model of the route of macroplastic debris (5 > mm) through a fluvial system, which can support future works on the overlooked processes of macroplastic storage and remobilization in rivers. We divided the macroplastic route into (1) input, (2) transport (3) storage, (4) remobilization and (5) output phases. Phase 1 is mainly controlled by humans, phases 2–4 by fluvial processes, and phase 5 by both types of controls. We hypothesize that natural characteristics of fluvial systems and their modification by dam reservoirs and flood embankments construction are key controls on macroplastic storage and remobilization in rivers. The zone of macroplastic storage can be defined as a river floodplain inundated since the beginning of widespread disposal of plastic waste to the environment in the 1960s and remobilization zone as a part of the storage zone influenced by floodwaters and bank erosion. The amount of macroplastic in both zones can be estimated using data on the abundance of surface- and subsurface-stored macroplastic and the lateral and vertical extent of the zones. Our model creates the framework for estimation of how much plastic has accumulated in rivers and will be present in future riverscapes.

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