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Ocean current - Reasons for currents | | Ocean current - Reasons for currents: Encyclopedia II - Ocean current - Reasons for currents | | Surface ocean currents are generally wind driven and develop their typical clockwise spirals in the northern hemisphere and counter-clockwise rotation in the southern hemisphere due to the imposed wind stresses. In wind driven currents the Ekman spiral effect results in the currents flowing at an angle to the driving winds. The areas of surface ocean currents move somewhat with the seasons, this is most notable in equatorial currents.
Deep ocean currents are driven by density and temperature gradients. Thermohaline circulation, also k ...
See also:Ocean current, Ocean current - Description, Ocean current - Reasons for currents, Ocean current - Significance to man and sea life, Ocean current - Important currents:, Ocean current - Arctic Ocean, Ocean current - Atlantic Ocean, Ocean current - Pacific Ocean, Ocean current - Indian Ocean, Ocean current - Southern Ocean | | | Ocean current, Ocean current - Arctic Ocean, Ocean current - Atlantic Ocean, Ocean current - Description, Ocean current - Important currents:, Ocean current - Indian Ocean, Ocean current - Pacific Ocean, Ocean current - Reasons for currents, Ocean current - Significance to man and sea life, Ocean current - Southern Ocean, hydrothermal circulation, thermohaline circulation | | |
| | | Ocean current: Encyclopedia II - Ocean current - Reasons for currents
Ocean current - Reasons for currents
Surface ocean currents are generally wind driven and develop their typical clockwise spirals in the northern hemisphere and counter-clockwise rotation in the southern hemisphere due to the imposed wind stresses. In wind driven currents the Ekman spiral effect results in the currents flowing at an angle to the driving winds. The areas of surface ocean currents move somewhat with the seasons, this is most notable in equatorial currents.
Deep ocean currents are driven by density and temperature gradients. Thermohaline circulation, also known as the ocean's conveyor belt, refers to the deep ocean density-driven ocean basin currents. These currents that flow under the surface of the ocean, and are thus hidden from immediate detection, are called submarine rivers. These are currently being researched by floating devices, which maintain their depth according to slightly differing densities of waters. Upwelling and downwelling areas in the oceans are areas, where significant vertical movement of ocean water is observed.
Other related archivesAgulhas Current, Alaska Current, Aleutian Current, Angola Current, Antarctic Circumpolar Current, Antilles Current, Arctic Ocean, Atlantic Ocean, Benguela current, Brazil Current, California Current, Canary Current, Cape Horn Current, Caribbean Current, Cromwell current, East Australian Current, East Greenland Current, East Madagascar Current, Ekman spiral, Equatorial Counter Current, Europe, Falkland Current, Guinea Current, Gulf Stream, Hawaiian Islands, Humboldt Current, Indian Ocean, Indonesian Through-flow, Kamchatka Current, Kuroshio Current, Labrador Current, Leeuwin Current, Madagascar Current, Mozambique Current, North Atlantic Current, North Brazil Current, North Equatorial Current, North Pacific Current, Norwegian Current, Oyashio Current, Pacific Ocean, Portugal Current, South Atlantic Current, South Equatorial Current, Southern Ocean, Spitzbergen Current, Thermohaline circulation, Upwelling, Weddell Gyre, West Greenland Current, West Wind Drift, climates, continents, currents, downwelling, hydrothermal circulation, life-cycle of the eel, ocean basin, oceans, seasons, thermohaline circulation
 Adapted from the Wikipedia article "Reasons for currents", under the G.N U Free Docmentation License. Please also see http://en.wikipedia.org/wiki |
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