Shields Diagram and the Incipient Motion of Microplastic Particles
Environmental Science & Technology2023
27 citations
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Score: 55
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0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.
Bjarke Eltard Larsen,
Nils B. Kerpen,
David R. Fuhrman
Koray Deniz Göral,
Koray Deniz Göral,
Koray Deniz Göral,
Koray Deniz Göral,
Koray Deniz Göral,
Koray Deniz Göral,
Hasan Gökhan Güler,
Bjarke Eltard Larsen,
Koray Deniz Göral,
Nils B. Kerpen,
Torsten Schlurmann,
Hasan Gökhan Güler,
Bjarke Eltard Larsen,
Hasan Gökhan Güler,
Bjarke Eltard Larsen,
Hasan Gökhan Güler,
Stefan Carstensen,
Torsten Schlurmann,
Torsten Schlurmann,
Hasan Gökhan Güler,
Bjarke Eltard Larsen,
Bjarke Eltard Larsen,
Bjarke Eltard Larsen,
Hasan Gökhan Güler,
Bjarke Eltard Larsen,
Hasan Gökhan Güler,
Stefan Carstensen,
Hasan Gökhan Güler,
Hasan Gökhan Güler,
Stefan Carstensen,
Stefan Carstensen,
Koray Deniz Göral,
Stefan Carstensen,
Stefan Carstensen,
Stefan Carstensen,
Stefan Carstensen,
Stefan Carstensen,
Stefan Carstensen,
Erik Damgaard Christensen,
Stefan Carstensen,
Hasan Gökhan Güler,
Erik Damgaard Christensen,
Erik Damgaard Christensen,
Erik Damgaard Christensen,
Erik Damgaard Christensen,
Erik Damgaard Christensen,
Koray Deniz Göral,
Koray Deniz Göral,
Koray Deniz Göral,
Koray Deniz Göral,
Nils B. Kerpen,
Bjarke Eltard Larsen,
Erik Damgaard Christensen,
Nils B. Kerpen,
Erik Damgaard Christensen,
Stefan Carstensen,
Erik Damgaard Christensen,
Bjarke Eltard Larsen,
Nils B. Kerpen,
Nils B. Kerpen,
Torsten Schlurmann,
Torsten Schlurmann,
Nils B. Kerpen,
Erik Damgaard Christensen,
Nils B. Kerpen,
Nils B. Kerpen,
Stefan Carstensen,
Torsten Schlurmann,
Erik Damgaard Christensen,
Nils B. Kerpen,
Torsten Schlurmann,
Torsten Schlurmann,
Torsten Schlurmann,
David R. Fuhrman
David R. Fuhrman
David R. Fuhrman
David R. Fuhrman
David R. Fuhrman
David R. Fuhrman
David R. Fuhrman
David R. Fuhrman
David R. Fuhrman
Summary
Researchers conducted flume experiments to determine the conditions under which different shapes and sizes of microplastic particles begin to move along a river or ocean bottom, testing spheres, cylinders, disks, cubes, fibers, and irregular particles. They developed a new framework that accounts for differences in friction, surface roughness, and sheltering effects to predict when microplastics start to be transported. For the first time, the study reconciles microplastic movement behavior with the classical Shields diagram used in sediment transport science.
Study Type
Environmental
Incipient motion conditions for 57 regular (spheres, cylinders, disks, square plates, cubes, square prisms, rectangular prisms, tetrahedrons, and fibers) and eight irregular microplastic particle groups, having various sizes and densities, are investigated in a circular flume. The present data set is combined with additional data from the literature and systematically analyzed. A new framework is developed for predicting incipient motion conditions for foreign particles, accounting for variations in static friction, hydraulic roughness, and hiding-exposure effects. Via this framework, incipient motion conditions for microplastic particles lying on a sediment bed are, for the first time, reconciled with the classical Shields diagram.