Ekman transport
= Ekman transport
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{title2=$\mathbf M_E$}
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Ekman transport is the depth-integrated ageostrophic flow in a frictional rotating boundary layer. Beneath a surface stress $\boldsymbol\tau$,
$$
\mathbf M_E=\frac{\boldsymbol\tau\times\widehat{\mathbf z}}{\rho f}
$$
with the stated orientation convention.