ECHOES OF THE LAST MIND

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What effect does a weakening Atlantic Meridional Overturning Circulation (AMOC) have on the weather in the UK and Ireland?

The AMOC is a large system of ocean currents that transports warm water from the tropics northwards into the North Atlantic. Image: Adobe.

The Atlantic Meridional Overturning Circulation (AMOC) is weakening, and this change could have important consequences for the UK and Ireland according to a new update from the Marine Climate Change Impacts Partnership (MCCIP).

What is the AMOC?

Climate Change Impacts on Ocean Circulation Relevant to the UK and Ireland discusses the current state of the AMOC, the large system of ocean currents that transports warm water from the tropics northwards into the North Atlantic.

Related articleA study on the AMOC reveals that this critical ocean current has not decreased in the last 60 years

It works a bit like a conveyor belt, driven by differences in temperature and salt content – in other words, the water’s density. When warm water flows northwards, it cools; some of it also evaporates along the way, increasing the amount of salt and making