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dc.contributor.authorAbbasi, S
dc.contributor.authorRezaei, M
dc.contributor.authorAhmadi, F
dc.contributor.authorTurner, A
dc.date.accessioned2022-02-08T12:56:11Z
dc.date.issued2022-04
dc.identifier.issn0045-6535
dc.identifier.issn1879-1298
dc.identifier.other133456
dc.identifier.urihttp://hdl.handle.net/10026.1/18688
dc.description.abstract

Dust storms are common events in arid and semi-arid regions that have a wide range of impacts on the environment and human health. This study addresses the presence, characteristics and potential sources of microplastics (MPs) in such events by analysing MPs deposited with dust particles in the metropolis of Shiraz, southwest Iran, following an intense storm in May 2018. At 22 locations throughout the city, MP concentrations on a number basis ranged from 0.04 to 1.06 per g of dust (median = 0.31 MP g-1). Particles were mainly fibrous, with a mean diameter of about 20 μm and >60% under 100 μm in length, and polymer makeup was dominated by nylon, polypropylene and polyethylene terephthalate. Examination of selected MPs by scanning electron microscopy revealed varying degrees of weathering and contamination by extraneous geogenic particles amongst the samples. Using published MP concentrations in urban dusts and remote, arid soils, we estimate that between about 0.1 and 5% of MPs deposited by the dust storm are derived from local sources within the metropolis, with the remainder arising from more distant sources. HYSPLIT modelling, satellite imagery and published geochemical signatures of regional dust particles suggest that the deserts of Saudi Arabia constitute the principal distal and transboundary source. Dust storms may represent a significant means by which MPs are transported and redistributed in arid and semi-arid environments and an important source of MPs to the oceans.

dc.format.extent133456-133456
dc.format.mediumPrint-Electronic
dc.languageen
dc.language.isoen
dc.publisherElsevier BV
dc.subjectMicrofibres
dc.subjectWeathering
dc.subjectDeposition
dc.subjectSource
dc.subjectFlux
dc.subjectIran
dc.titleAtmospheric transport of microplastics during a dust storm
dc.typejournal-article
dc.typeArticle
plymouth.author-urlhttps://www.ncbi.nlm.nih.gov/pubmed/34973256
plymouth.volume292
plymouth.publisher-urlhttp://dx.doi.org/10.1016/j.chemosphere.2021.133456
plymouth.publication-statusPublished
plymouth.journalChemosphere
dc.identifier.doi10.1016/j.chemosphere.2021.133456
plymouth.organisational-group/Plymouth
plymouth.organisational-group/Plymouth/Faculty of Science and Engineering
plymouth.organisational-group/Plymouth/Faculty of Science and Engineering/School of Geography, Earth and Environmental Sciences
plymouth.organisational-group/Plymouth/REF 2021 Researchers by UoA
plymouth.organisational-group/Plymouth/REF 2021 Researchers by UoA/UoA07 Earth Systems and Environmental Sciences
plymouth.organisational-group/Plymouth/Research Groups
plymouth.organisational-group/Plymouth/Research Groups/BEACh
plymouth.organisational-group/Plymouth/Research Groups/Marine Institute
plymouth.organisational-group/Plymouth/Users by role
plymouth.organisational-group/Plymouth/Users by role/Academics
dc.publisher.placeEngland
dcterms.dateAccepted2021-12-25
dc.rights.embargodate2022-12-29
dc.identifier.eissn1879-1298
dc.rights.embargoperiodNot known
rioxxterms.versionofrecord10.1016/j.chemosphere.2021.133456
rioxxterms.licenseref.urihttp://www.rioxx.net/licenses/all-rights-reserved
rioxxterms.licenseref.startdate2022-04
rioxxterms.typeJournal Article/Review


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