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Any changes in ocean currents affect the ocean's ability to absorb carbon dioxide (which is affected by water temperature) as well as ocean productivity because the currents transport nutrients (see Impacts on phytoplankton and net primary production). Because the AMOC deep ocean circulation is slow (it takes hundreds to thousands of years to ...
As a part of the global conveyor belt – a constantly moving system of deep-ocean circulation driven by temperature and salinity – it also carries nutrients necessary to sustain ocean life.
Those currents comprise half of the global thermohaline circulation that includes the flow of major ocean currents, the other half being the Southern Ocean overturning circulation. [2] The AMOC is composed of a northward flow of warm, more saline water in the Atlantic's upper layers and a southward, return flow of cold, salty, deep water.
Previous estimates about when a possible collapse of the current might occur have been much less dire. In 2019, the Intergovernmental Panel on Climate Change projected that the AMOC would weaken ...
There is evidence that surface warming due to anthropogenic climate change has accelerated upper ocean currents in 77% of the global ocean. [21] Specifically, increased vertical stratification due to surface warming intensifies upper ocean currents, while changes in horizontal density gradients caused by differential warming across different ...
He thinks most climate change impacts are far more likely to play out in a steadier, harmful fashion — in line with human emissions. AMOC describes a series of ocean currents that cycle water in ...
A summary of the path of the thermohaline circulation. Blue paths represent deep-water currents, while red paths represent surface currents. Thermohaline circulation. Thermohaline circulation (THC) is a part of the large-scale ocean circulation that is driven by global density gradients created by surface heat and freshwater fluxes.
Some climate change effects: wildfire caused by heat and dryness, bleached coral caused by ocean acidification and heating, environmental migration caused by desertification, and coastal flooding caused by storms and sea level rise. Effects of climate change are well documented and growing for Earth's natural environment and human societies. Changes to the climate system include an overall ...
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