Articles | Volume 12, issue 1
Ocean Sci., 12, 137–151, 2016
https://doi.org/10.5194/os-12-137-2016

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

Ocean Sci., 12, 137–151, 2016
https://doi.org/10.5194/os-12-137-2016

Research article 18 Jan 2016

Research article | 18 Jan 2016

Temporal evolution of the momentum balance terms and frictional adjustment observed over the inner shelf during a storm

M. Grifoll et al.

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Short summary
We investigate the rapidly changing equilibrium between the momentum sources and sinks during the passage of a single two-peak storm over the Catalan inner shelf (NW Mediterranean Sea). At 24m water depth, a primary momentum balance between acceleration, pressure gradient and frictional forces (surface and bottom) is established. The frictional adjustment timescale was around 10h, consistent with the e-folding time obtained from bottom drag parameterizations.