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A gyre in oceanography is any large system of rotating ocean currents, particularly those involved with large wind movements. Gyres are caused by the Coriolis effect; planetary vorticity along with horizontal and vertical friction, which determine the circulation patterns from the wind curl (torque).
Recent Examples of gyre from the Web. 1  That occasional, sudden-onset widening-gyre sensation. 2  Traveling by raft, Eriksen and Paschal make their way into the gyre the way that plastic garbage doesâpassively carried along by the current.