Articles | Volume 12, issue 1
Ocean Sci., 12, 207–216, 2016
https://doi.org/10.5194/os-12-207-2016

Special issue: Oceanographic processes on the continental shelf: observations...

Ocean Sci., 12, 207–216, 2016
https://doi.org/10.5194/os-12-207-2016

Research article 03 Feb 2016

Research article | 03 Feb 2016

Effects of vertical shear in modelling horizontal oceanic dispersion

A. S. Lanotte et al.

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Short summary
The paper investigates the role of vertical shear on the horizontal ocean dispersion of tracer particles or concentration fields. We compare in situ measurements to GCM numerical data of the magnitude and the typical timescale of the vertical shear. We discuss how an appropriate sub-grid-scale parameterization can account for an anomalous numerical shear dispersion due to the model poor time resolution. The analysis focuses on the mixing layer, and on the region of the south Mediterranean Sea.