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Water density. Cold water is more dense than warmer water, also salty water is more dense than less salty water. The differences in water density from heat (thermal, like at the equator) and salinity cause water cooling near the poles to cool and sink in essence pushing down or sinking. this forces the water there to move (flow), this creates the "conveyor effect". Most Earth Science books talk about that and why it happens.
What else can I help you with?
What enabled easy trade between New England and the Caribbean?
A. Favorable ocean currents
How Do Deep Currents Form?
Differences in temperature and in density of seawater drive deep ocean currents.
What is the difference between ocean current and rip current?
Ocean currents are currents that move across the globe from one temperature zone to another. Rip currents are localized currents caused by a combination of tides and waves agains the shore line where the water is shallow.
What are Poland's ocean currents?
Pland has heavy and very cold wind currents sometime they cause CRAZY!!!! Storms.
What are large streams of surface sea water called?
IT'S called ocean currents or just called currents.
What warm current moves west along the equator in the North Atlantic?
Gulf SteamA gyre current is a system of four currents completing a flow circuit around the periphery of an ocean basin. This gyre current would be called the North Atlantic gyre.
What side of the ocean basin are warm currents found?
On the western side
Large circular-moving currents of water within an ocean basin are called?
Gyres
What is the general result of the motion of convection currents in the mantle beneath the Atlantic ocean?
The general result is to make the ocean basin wider.
What carries cold and warm ocean water around the world?
Currents
What is the Pacific basin?
the area around the Pacific Ocean. It has a port.
What is Pacific basin?
the area around the Pacific Ocean. It has a port.
What is the shallowest ocean basin?
The Arctic Ocean Basin
What is the region where both winds and ocean currents flow unimpeded around the world is?
What is the region where both winds and ocean currents flow unimpeded around the world SOUTHERN
How are deep ocean currents form?
Cold ocean currents sink under warm ocean currents to form deep ocean currents.
What is the largest landform under the ocean?
the continental shelf ;)
What forms surface ocean currents?
Ocean currents is what forms surface currents. This starts deep in the ocean.
