Currents in northern hemisphere gyres circulate in a clockwise direction, whereas those in the southern hemisphere circulate counterclockwise.

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Quizplus · Accepted Answer

This is due to the Coriolis effect, which causes moving fluids like ocean currents to be deflected to the right in the northern hemisphere and to the left in the southern hemisphere, resulting in clockwise circulation in the north and counterclockwise in the south.

Currents in Northern Hemisphere Gyres Circulate in a Clockwise Direction