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Ekman layer
Ekman layern. In a rotating fluid, a layer of relatively uniform fluid between a boundary (such as the surface) and the bulk of the fluid, especially the upper layer of the ocean whose currents are largely driven by the force of wind on the surface.
[After Vagn Walfrid Ekman (1874-1954), Swedish oceanographer.]Ekman layer (Swedish ˈɛkman) n (Physical Geography) the thin top layer of the sea that flows at 90° to the wind direction, discovered by Vagn Walfrid EkmanEkman layer
Ekman layer[′ek·mən ‚lā·ər] (meteorology) The layer of transition between the surface boundary layer of the atmosphere, where the shearing stress is constant, and the free atmosphere, which is treated as an ideal fluid in approximate geostrophic equilibrium. Also known as spiral layer. Ekman layer The layer of transition between the surface boundary layer, where shearing stress is constant, and the free atmosphere, where the atmosphere is treated as an ideal fluid in approximate geostrophic equilibrium. Also called a spiral layer. |