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Longitudinal dispersion of microplastics in aquatic flows using fluorometric techniques

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Cook, Sarah, Chan, Hui-Ling, Abolfathi, Soroush, Bending, G. D., Schäfer, Hendrik and Pearson, Jonathan M. (2020) Longitudinal dispersion of microplastics in aquatic flows using fluorometric techniques. Water Research, 170 . 115337. doi:10.1016/j.watres.2019.115337 ISSN 0043-1354.

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Official URL: https://doi.org/10.1016/j.watres.2019.115337

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Abstract

Microplastics are an emerging environmental contaminant. Existing knowledge on the precise transport processes involved in the movement of microplastics in natural water bodies is limited. Microplastic fate-transport models rely on numerical simulations with limited empirical data to support and validate these models. We adopted fluorometric principles to track the movement of both fluorescent dye and florescent stained microplastics (polyethylene) in purpose-built laboratory flumes with standard fibre-optic fluorometers. Neutrally buoyant microplastics behaved in the same manner as a solute (Rhodamine) and more importantly displayed classical fundamental dispersion theory in uniform open channel flow. This suggests Rhodamine, a fluorescent tracer, can be released into the natural environment with the potential to mimic microplastic movement in the water column.

Item Type: Journal Article
Subjects: G Geography. Anthropology. Recreation > GE Environmental Sciences
G Geography. Anthropology. Recreation > GF Human ecology. Anthropogeography
Q Science > Q Science (General)
T Technology > TA Engineering (General). Civil engineering (General)
T Technology > TC Hydraulic engineering. Ocean engineering
T Technology > TD Environmental technology. Sanitary engineering
Divisions: Faculty of Science, Engineering and Medicine > Engineering > Engineering
Faculty of Science, Engineering and Medicine > Science > Life Sciences (2010- )
Library of Congress Subject Headings (LCSH): Microplastics, Pollutants, Fluorimetry, Fluorimetry -- Longitudinal studies, Uniform flow (Fluid dynamics), Microplastics -- Transport properties , Water -- Pollution, Diffusion
Journal or Publication Title: Water Research
Publisher: Elsevier Science Ltd.
ISSN: 0043-1354
Official Date: 1 March 2020
Dates:
DateEvent
1 March 2020Published
29 November 2019Available
23 November 2019Accepted
Volume: 170
Article Number: 115337
DOI: 10.1016/j.watres.2019.115337
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Open Access (Creative Commons)
Date of first compliant deposit: 11 December 2019
Date of first compliant Open Access: 11 December 2019
Grant number: grant NE/R003645/1
RIOXX Funder/Project Grant:
Project/Grant IDRIOXX Funder NameFunder ID
NE/R003645/1UK Research and Innovation (Agency)http://viaf.org/viaf/3566156919253754970002
GlobalChallenges Research Catalyst FundUniversity of Warwickhttp://dx.doi.org/10.13039/501100000741
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