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Coastal accumulation of microplastic particles emitted from the Po River, Northern Italy : Comparing remote sensing and hydrodynamic modelling with in situ sample collections

Title data

Atwood, Elizabeth C. ; Falcieri, Francesco M. ; Piehl, Sarah ; Bochow, Mathias ; Matthies, Michael ; Franke, Jonas ; Carniel, Sandro ; Sclavo, Mauro ; Laforsch, Christian ; Sieger, Florian:
Coastal accumulation of microplastic particles emitted from the Po River, Northern Italy : Comparing remote sensing and hydrodynamic modelling with in situ sample collections.
In: Marine Pollution Bulletin. Vol. 138 (2019) . - pp. 561-574.
ISSN 1879-3363
DOI: https://doi.org/10.1016/j.marpolbul.2018.11.045

Abstract in another language

Microplastic research has mainly concentrated on open seas, while riverine plumes remain largely unexplored despite their hypothesized importance as a microplastic source to coastal waters. This work aimed to model coastal accumulation of microplastic particles (1–5 mm) emitted by the Po River over 1.5 years. We posit that river-induced microplastic accumulation on adjacent coasts can be predicted using (1) hydrodynamic-based and (2) remote sensing-based modelling. Model accumulation maps were validated against sampling at nine beaches, with sediment microplastic concentrations up to 78 particles/kg (dry weight). Hydrodynamic modelling revealed that discharged particle amount is only semi-coupled to beaching rates, which are strongly mouth dependent and occur within the first ten days. Remote sensing modelling was found to better capture river mouth relative strength, and accumulation patterns were found consistent with hydrodynamic modelling. This methodology lays groundwork for developing an operational monitoring system to assess microplastic pollution emitted by a major river.

Further data

Item Type: Article in a journal
Refereed: Yes
Additional notes: BAYCEER148974
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology > Chair Animal Ecology I
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology > Chair Animal Ecology I > Chair Animal Ecology I - Univ.-Prof. Dr. Christian Laforsch
Research Institutions
Research Institutions > Research Centres
Research Institutions > Research Centres > Bayreuth Center of Ecology and Environmental Research- BayCEER
Result of work at the UBT: Yes
DDC Subjects: 500 Science
Date Deposited: 29 Mar 2019 07:29
Last Modified: 29 Mar 2019 07:29
URI: https://eref.uni-bayreuth.de/id/eprint/48110