Articles | Volume 11, issue 3
Ocean Sci., 11, 343–359, 2015
Ocean Sci., 11, 343–359, 2015

Research article 12 May 2015

Research article | 12 May 2015

Deep drivers of mesoscale circulation in the central Rockall Trough

T. J. Sherwin et al.

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Cited articles

Bacon, S.: Decadal variability in the outflow from the Nordic seas to the deep Atlantic Ocean, Nature, 394, 871–874, 1998.
Booth, D. A.: Eddies in the Rockall Trough, Oceanol. Acta, 11, 213–219, 1988.
Booth, D. A. and Ellett, D. J.: The Scottish continental-slope current, Cont. Shelf. Res., 2, 127–146, 1983.
Burrows, M., Thorpe, S. A., and Meldrum, D. T.: Dispersion over the Hebridean and Shetland shelves and slopes, Cont. Shelf. Res., 19, 49–55, 1999.
Dickson, R. R., Gould, W. J., Griffiths, C., Medler, K. J., and Gmitrowicz, E. M.: Seasonality in currents of the Rockall Channel, P. Roy. Soc. Edinb. B, 88, 103–125, 1986.
Short summary
The Rockall Trough feeds warm salty water to Polar regions and the European Shelf. Detailed observations from an underwater glider show that a) the meandering surface current field in the central trough is driven by deep eddies; b) chance circulations deflect the eastern slope current and warm the western side; c) and altimeter observations omit the mean flow in the narrow slope current. There are wider implications for satellite altimeter observations, ocean monitoring and ocean model results.