Geoscientific Model Development
Geoscientific Model Development
GMD
Articles | Volume 18, issue 20
Articles | Volume 18, issue 20
https://doi.org/10.5194/gmd-18-7227-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/gmd-18-7227-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 18, issue 20
Review and perspective paper
 | 
15 Oct 2025
Review and perspective paper |  | 15 Oct 2025

Modelling microplastic dynamics in estuaries: a comprehensive review, challenges, and recommendations

Betty John Kaimathuruthy, Isabel Jalón-Rojas, and Damien Sous

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Editorial statement
This paper provides a comprehensive review of modelling studies on microplastic transport in estuaries, a field that, while relatively recent, is rapidly expanding due to the growing recognition of microplastic pollution as a global environmental challenge. It offers the first synthesis of the diverse modelling approaches applied in estuarine studies and we think that this paper meets the scope of the Geoscientific Model Development as the journal emphasizes modelling studies.
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Short summary
Studies on plastic pollution have emerged as a rapidly growing field of research. Modelling microplastic transport in estuaries stems from their complex hydrodynamics and diverse particle behaviours affecting the dispersion and retention of microplastics. We review key modelling approaches applied in estuaries analysing their set-ups and parameterizations. We provide recommendations and future directions to improve the accuracy and modelling strategies for estuarine microplastic research.
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