Articles | Volume 12, issue 1
Ocean Sci., 12, 137–151, 2016

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

Ocean Sci., 12, 137–151, 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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Cited articles

Booij, N., Ris, R. C. and Holthuijsen, L. H.: A third-generation wave model for coastal regions: 1. Model description and validation, J. Geophys. Res., 104, 7649,, 1999.
Brink, K. H. and Chapman, D. C.: Programs for Computing Properties of Coastal Trapped waves and Wind-driven Motions over the Continental Shelf and Slope, Woods Hole Oceanographic Institute Tech. Rep. WHOI 85-17, 99 pp., 1985.
Csanady, G. T.: Circulation in the coastal ocean, Adv. Geophys., 23, 101–183, 1981.
Csanady, G. T.: Circulation in the coastal ocean, D. Reidel Publishing Company, 279 pp., Dordretch, Holland, 1982.
Dzwonkowski, B., Park, K., Lee, J., Webb, B. M., and Valle-Levinson, A.: Spatial variability of flow over a river-influenced inner shelf in coastal Alabama during spring, Cont. Shelf Res., 74, 25–34, 2014.
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.