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Deep ocean circulation(90% of ocean water) is caused by differences in temperature, salinity and suspended load. It is referred to as "Thermohaline"- meaning heat and salt- circulation.
Global Conveyor Belt
The thermohaline circulation is a term for the global density-driven circulation of the oceans. Derivation is from thermo- for heat and -haline for salt, which together determine the density of sea water
Current
Deep ocean circulation(90% of ocean water) is caused by differences in temperature, salinity and suspended load. It is referred to as "Thermohaline"- meaning heat and salt- circulation.
Thermohaline circulation brings oxygen rich water to the deep ocean.
Deep water ocean current
90% of ocean water covers the Earth
90% of ocean water covers the Earth
Heat
Heat.
Temperature and salinity drive ocean circulation by altering seawater density. Warm, fresh water is significantly less dense than cold salty water and will therefore rise to the top in the ocean. Any process that alters temperature or salinity (such as rain, sea ice formation or seasonal variation) will change the density of the water and allow it to move in the water column, causing circulation of water on a global scale. This is known as thermohaline circulation. Because things such as rainfall and temperature tend to be relatively constant in a given area over a long period of time, a set current of water known as the global conveyor belt has arisen. It plays an incredibly important role in heat transfer over the earth.