Because of the Coriolis Effect, produced by the rotation of the Earth, the surface layer is dominated by large-scale gyres moving clockwise in the Northern Hemisphere and counterclockwise in the Southern Hemisphere.
(the Coriolis Effect; produced; by the rotation of the Earth) (the surface layer; is dominated; by large-scale gyres) (large-scale gyres; moving clockwise; L:in the Northern Hemisphere and counterclockwise in the Southern Hemisphere)
the Coriolis Effect the surface layer large-scale gyres
produced is dominated moving clockwise
by the rotation of the Earth
by large-scale gyres
L:in the Northern Hemisphere and counterclockwise in the Southern Hemisphere