A full collapse of the Gulf Stream is not going to happen. Change is going to happen here, but it’s more complicated than a simple collapse
Why do headlines say otherwise? It’s due to an oversimplification of the currents that drive global climate. People conflate the Gulf Stream with a more complex system of currents known as the Atlantic Meridional Overturning Circulation, or AMOC.
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But even if the deep-water portion of the AMOC did shut down, the Gulf Stream would continue to flow. As noted by MIT physical oceanography professor Carl Wunsch in 2004, “The only way to produce an ocean circulation without a Gulf Stream is either to turn off the wind system, or to stop the Earth's rotation, or both.” Neither will happen, even in the most extreme climate change scenarios.
Why do headlines say otherwise? It’s due to an oversimplification of the currents that drive global climate. People conflate the Gulf Stream with a more complex system of currents known as the Atlantic Meridional Overturning Circulation, or AMOC.
…
But even if the deep-water portion of the AMOC did shut down, the Gulf Stream would continue to flow. As noted by MIT physical oceanography professor Carl Wunsch in 2004, “The only way to produce an ocean circulation without a Gulf Stream is either to turn off the wind system, or to stop the Earth's rotation, or both.” Neither will happen, even in the most extreme climate change scenarios.
https://www.whoi.edu/oceanus/feature/will-the-gulf-stream-re...