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Review of "On the importance of a three-dimensional approach for modelling the transport of neustic microplastics"
Summary
This paper is a review commentary on a study about three-dimensional approaches to environmental or materials research, likely related to microplastic detection or distribution analysis. Methodological advances in three-dimensional characterization improve the accuracy of microplastic quantification in complex environmental samples.
In this study, the authors propose a comparison of dispersal model outputs for the transport of buoyant marine debris in a semi-enclosed bay (Jervis Bay in Australia) under three frameworks: (i) a two-dimensional depth averaged advection scheme at the surface layer, (ii) a three-dimensional advection scheme with "weak" vertical mixing and (iii) a three-dimensional advection scheme with "strong" vertical mixing.Vertical mixing is formulated using a different vertical diffusivity parameter.Horizontal diffusivity is kept equal between frameworks, so the results are only affected by the inclusion of a third dimension and the effect of random walk vertical mixing.The authors present a series of interpretation of their numerical modelling results discussing distribution, connectivity and transport of Lagrangian particles.