Question

what are ocean currents

Answer 1

Imagine you fill a bathtub with cold water then add hot water at one end. You will not have warm water until it is mixed. Put your hand in the hot water and push it toward the cold end of the tub. You can feel the movement and the difference in water temperature. You created a small current in your bathtub by causing the water to move from one place to another.

Much larger currents are at work in our oceans, circulating water around the world. These ocean currents, which are massive currents that are influenced by a variety of different forces that act to propel the water both on the surface and in deep ocean waters. This movement has a significant effect on the earth's weather. For example, the Gulf Stream current carries warm water toward northern Europe. Due to this, coastal countries in northern Europe have a milder winter than coastal areas in the northeast United States that are much farther south.

Answer 2

An ocean current is any more or less permanent or continuous, directed movement of ocean water that flows in one of the Earth's oceans. The currents are generated from the forces acting upon the water like the Earth's rotation, the wind,the temperature and salinity differences and the gravitation of the moon.

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