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In the Polar regions, the sea water will have an excess of salt. This is because when sea water freezes, the salt tends to be excluded from the ice crystal matrix and is further dissolved in the sea. So the Polar waters become colder and saltier, therefore of higher density, and tend to sink.
This is the start of a world-wide oceanic conveyor system that has wide implications. The name of this is the Thermohaline system and has an entry in Wikipedia. And some nice maps.
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What drives ocean currents?
wind
Why do most deep currents form near the poles?
Deep currents form around wind patterns. These wind patterns particularly affect deep currents near shorelines of major lands or continents.
Currents are caused by the Moon's gravity?
currents are generated by the forces acting upon the ocean, such as breaking waves, wind, Coriolis force, temperature, salinity differences and tides caused by the gravitational pull of the Moon and the Sun. Depth contours, shoreline configurations and interaction with other currents influence a current's direction and strength.
How did wind and ocean currents influence the new world?
By using the wind and ocean currents, sailors saved time and effort by letting the wind do the steering. The winds in the Atlantic went in a clockwise circle, and by riding in that circle, they were able to complete journeys much faster, without having to fight winds. http:/www.ucalgary.ca/applied_history/tutor/eurvoya/map.html this link might help some.
How do cedar trees pollinate?
Cedar trees are wind pollinated. They release vast amounts of pollen into the atmosphere. it is caught by wind currents and eventually lands on a different cedar tree.
How do ocean currents affect plant and animal populations?
By the wind and temperture
How are ocean currents like wind currents?
they are both currents.
What is the affect of the wind and ocean currents on the tropical rain forest?
the effect is that the currents slowly start killing fish by pushing them onto shore
Are ocean currents similar to wind currents?
Yes.
What are causes of the ocean currents?
The two causes of ocean currents are wind and the rotation of the earth(etc) The wind blows which makes the currents in the water and the rotation of the earth(gravity) makes currents in the ocean currents. Luaye Sharawy
How do global wind patterns and ocean currents affect a region?
Oh bla bla bla who cares
Does ocean currents affect the climat of Tokyo japan?
Yes ocean currents do affect japan.
What drives ocean currents?
wind
How does ocean currents affect barrier islands?
because of the wind blows the water up onto the barrier island
What type of current is caused by wind on the oceans surface?
Surface ocean currents are caused by winds. As wind blows across the surface, the wind pulls the water and causes waves.
What are ocean currents defined by?
speed and wind
Why did the ocean-going sailboats depend on ocean currents?
currents provide movement in times of little to no wind
