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The Atlantic meridional overturning circulation (AMOC) is the main ocean current system in the Atlantic Ocean. [ 1 ] : 2238 It is a component of Earth's ocean circulation system and plays an important role in the climate system .
The Atlantic meridional overturning circulation is a large system of ocean currents, like a conveyor belt. It is driven by differences in temperature and salt content and it is an important component of the climate system. However, the AMOC is not a static feature of global circulation.
As such, the state of the circulation has a large impact on the climate of the Earth. The thermohaline circulation is sometimes called the ocean conveyor belt, the great ocean conveyor, or the global conveyor belt, coined by climate scientist Wallace Smith Broecker. [5] [6] It is also referred to as the meridional overturning circulation, or ...
North Atlantic Deep Water (NADW) is a deep water mass formed in the North Atlantic Ocean. Thermohaline circulation (properly described as meridional overturning circulation) of the world's oceans involves the flow of warm surface waters from the southern hemisphere into the North Atlantic. Water flowing northward becomes modified through ...
Its better-known northern counterpart is the Atlantic meridional overturning circulation (AMOC). This circulation operates when certain currents send warm, oxygenated, nutrient-poor water into the deep ocean (downwelling), while the cold, oxygen-limited, nutrient-rich water travels upwards (or upwells) at specific points.
The Northern part of the Atlantic Meridional Overturning Circulation. The Atlantic Meridional Overturning Circulation (AMOC), also known as the Gulf Stream System, is a large system of ocean currents. [70] [71] It is driven by differences in the density of water; colder and more salty water is heavier than warmer fresh water. [71]
is the rate of change of the Coriolis parameter, f, with meridional distance; is the vertically integrated meridional mass transport including the geostrophic interior mass transport and the Ekman mass transport; ^ is the unit vector in the vertical direction;
The Atlantic Meridional Overturning Circulation (AMOC) is the Atlantic branch of the THC. Hereby, northward moving surface water release heat and water to the atmosphere and gets therefore colder, more saline and consequently denser. This leads to the formation of cold deep water in the North Atlantic.