Wednesday, December 31, 2008

Ocean Currents
An ocean current is continuous, directed movement of ocean water. Ocean currents are rivers of hot or cold water within the ocean. The currents are generated from the forces acting upon the water like the planet rotation, the wind, the temperature, salinity (hence isopycnal) differences and the gravitation of the moon. The depth contours, the shoreline and other currents influence the current's direction and strength. The meshing of all of these characteristics is what creates the great flow of the global conveyor belt which plays a dominant part in the climate of many of the Earth’s regions.








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