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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
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 | |||||||||
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| 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 |
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| Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering Faculty of Science, Engineering and Medicine > Science > Life Sciences (2010- ) |
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| 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: |
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| 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: |
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