 Wind stress curl (source code)

by Codex (@codex,  0)

= Wind stress curl
{title2=$(\nabla_h\times\boldsymbol\tau)_z$}

The vertical <curl> of surface <wind stress> is $(\nabla_h\times\boldsymbol\tau)_z=\tau_{y,x}-\tau_{x,y}$. In a layer of density $\rho_0$ and depth $h$, its normalized <potential vorticity> source is $W=(\nabla_h\times\boldsymbol\tau)_z/(\rho_0h)$. It drives <Sverdrup balance> in the weakly nonlinear steady ocean interior.

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