The physical oceanography of the transport of floating marine debris

Marine plastic debris floating on the ocean surface is a major environmental problem. However, its distribution in the ocean is poorly mapped, and most of the plastic waste estimated to have entered the ocean from land is unaccounted for. Better understanding of how plastic debris is transported from coastal and marine sources is crucial to quantify and close the global inventory of marine plastics, which in turn represents critical information for mitigation or policy strategies. At the same time, plastic is a unique tracer that provides an opportunity to learn more about the physics and dynamics of our ocean across multiple scales, from the Ekman convergence in basin-scale gyres to individual waves in the surfzone. In this review, we comprehensively discuss what is known about the different processes that govern the transport of floating marine plastic debris in both the open ocean and the coastal zones, based on the published literature and referring to insights from neighbouring fields such as oil spill dispersion, marine safety recovery, plankton connectivity, and others. We discuss how measurements of marine plastics (both in situ and in the laboratory), remote sensing, and numerical simulations can elucidate these processes and their interactions across spatio-temporal scales.


marine debris, physical oceanography, ocean circulation, remote sensing, fluid dynamics

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Van Sebille Erik, Aliani Stefano, Law Kara Lavender, Maximenko Nikolai, Alsina José M, Bagaev Andrei, Bergmann Melanie, Chapron Bertrand, Chubarenko Irina, Cózar Andrés, Delandmeter Philippe, Egger Matthias, Fox-Kemper Baylor, Garaba Shungudzemwoyo P, Goddijn-Murphy Lonneke, Hardesty Britta Denise, Hoffman Matthew J, Isobe Atsuhiko, Jongedijk Cleo E, Kaandorp Mikael L A, Khatmullina Liliya, Koelmans Albert A, Kukulka Tobias, Laufkötter Charlotte, Lebreton Laurent, Lobelle Delphine, Maes Christophe, Martinez-Vicente Victor, Morales Maqueda Miguel Angel, Poulain-Zarcos Marie, Rodríguez Ernesto, Ryan Peter G, Shanks Alan L, Shim Won Joon, Suaria Giuseppe, Thiel Martin, Van den Bremer Ton S, Wichmann David (2020). The physical oceanography of the transport of floating marine debris. Environmental Research Letters. 15 (2). 023003 (33p.).,

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