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ocean current


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Large-scale water movement in an ocean, arising from three main causes: (a) wind stresses acting on the surface of the sea; (b) tidal motion caused by the variable attractions of the Sun and Moon; and (c) density differences in sea water, caused by differential heating and cooling, salinity differences, or variations in the suspended-sediment concentration of sea-water masses.

(a) wind stresses acting on the surface of the sea; (b) tidal motion caused by the variable attractions of the Sun and Moon; and (c) density differences in sea water, caused by differential heating and cooling, salinity differences, or variations in the suspended-sediment concentration of sea-water masses.

Subjects: Earth Sciences and Geography.


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