Linked from
The 24 pages that link to Ekman transport, each with the reason it gives.
Coriolis effectRelated: It connects rotational deflection to wind-driven movement of ocean water.
Ocean currentRelated: Explains why wind-driven surface currents move at an angle to the wind.
OceanographyRelated: Explains how winds drive surface currents and coastal upwelling.
Chilean SeaRelated: It helps move surface water offshore, enabling coastal upwelling.