Ekman layer
= Ekman layer
{c}
{title2=$\delta_E$}
{wiki}
An <Ekman layer> is a <viscous boundary layer> in a <rotating fluid>. For constant <kinematic viscosity> $\nu$ and <Coriolis parameter> $f$, its characteristic thickness is $\delta_E=\sqrt{2\nu/|f|}$, and its <velocity> turns with distance from the boundary.