GEOLOGY

Detailed explanation-1: -It does not bring nutrients. Deep water currents generally move very slowly with a velocity of several cm per second. Typically, surface currents move 10-100 times faster than this. At these rates, deep water currents take thousands of years to encircle the globe.

Detailed explanation-2: -Climate change is slowing down the conveyor belt of ocean currents that brings warm water from the tropics up to the North Atlantic. Our research, published today in Nature Climate Change, looks at the profound consequences to global climate if this Atlantic conveyor collapses entirely.

Detailed explanation-3: -These deep-ocean currents are driven by differences in the water’s density, which is controlled by temperature (thermo) and salinity (haline). This process is known as thermohaline circulation.

Detailed explanation-4: -Deep currents, also known as thermohaline circulation, result from differences in water density. These currents occur when cold, dense water at the poles sinks. Surface water flows to replace sinking water, causing a conveyor belt-like effect of water circulating around the globe on a 1000-year journey.