Discussion
According to 'Ekman Spiral' the net transport of the water moves at .......... angle.
Answer: C
The net Ekman transport is at 90° to the wind.
Wind drags the surface water, and the Coriolis force deflects it, so the surface current flows at about 45° to the wind. Each deeper layer moves more slowly and is deflected further, forming the Ekman spiral. Averaged over the whole wind-driven layer, the net transport of water is at right angles to the wind: to the right in the northern hemisphere and to the left in the southern.
45° is the angle of the surface current only, and 60° and 75° are not the angles of net transport.
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