A vertical light sheet illuminates a dye field twisted by spin-up into a
helical spiral. The orientation of the layers tells us that spin-up
occurs by normal diffusion of momentum from the boundary and not by Ekman
pumping.
References -
- Garrett, C.J.R., P. MacCready and P.B. Rhines, 1993, Boundary mixing and
arrested Ekman layers: Rotating stratified flow near a sloping boundary.
Annual Review of Fluid Mechanics 25: 291-323.
- MacCready, P.M. and P.B. Rhines, 1993, Arrested Ekman layers on a slope,
J.Phys.Oceanography, 23, 5-22.
- MacCready, P. and P.B. Rhines, submitted, Meridional transport across the
Antarctic Circumpolar Current. Journal of Physical Oceanography.
- Garrett, C.J.R., P. MacCready and P.B. Rhines, 1993, Boundary mixing and
arrested Ekman layers: Rotating stratified flow near a sloping boundary.
Annual Review of Fluid Mechanics 25: 291-323.
- MacCready, P.M. and P.B. Rhines, 1993, Arrested Ekman layers on a slope,
J.Phys.Oceanography, 23, 5-22.
- MacCready, P. and P.B. Rhines, submitted, Meridional transport across the
Antarctic Circumpolar Current. Journal of Physical Oceanography.