Ocean currents
flow in complex patterns affected by wind, water salinity, temperature,
topography of the ocean floor, and the earth’s rotation. Most ocean currents are driven by wind and solar heating of surface waters near the equator, while some
currents result from density and salinity variations of the water column. Ocean currents are relatively constant and flow in one direction, in contrast to
tidal currents along the shore.
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| Persian Gulf |
While ocean currents move slowly relative to
typical wind speeds, they carry a great deal of energy due to the density of
water, which is more than 800 times denser than air. Because of this physical
property, ocean currents, and especially tidal currents, contain an enormous
amount of energy that can be captured and converted to a usable form. From the
other side, the tidal action is one of the most important impact factors in a
coastal area, while the horizontal scale of a tidal current is much greater
than its vertical scale. Read More>>>>>>
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