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Microplastic in an Arid Region: Identification, Quantification and Characterization on and Alongside Roads in Al Ain, Abu Dhabi, United Arab Emirates
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Researchers characterized microplastic contamination in road dust, roadside soils, and stormwater runoff in Al Ain City, Abu Dhabi, identifying tire wear material, fibers, and degraded plastic bag and bottle fragments as dominant particle types and finding that Aeolian (wind-driven) transport is likely more important than water transport in this arid region.
Microplastic content was analyzed in road dust, soils alongside roads and stormwater run-offs in Al Ain City, Abu Dhabi. Apart from tire wear material, fibers and degradation products of meso- and macroplastics such as plastic bags and plastic bottle tops were found to be the most dominant plastic microparticles. Speed bumps and artificial turf/lawns were also evaluated as potential sources of microplastics on and alongside roads. It was found that in arid regions Aeolian transport of microplastics may be more important than transport by water.
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