Has the Atlantic overturning #AMOC shut down before?
It very likely has, e.g. during Heinrich Event 4 around 40.000 years ago, in response to ice sliding into the Atlantic & diluting the water.
Climate model simulations of this agree well with paleoclimate data. 🌊 1/3
www.nature.com/articles/s41...
The onset of Southern Ocean convection following a slowing of the Atlantic Meridional Overturning Circulation during Heinrich events can help explain rapid CO2 increases and Antarctic warming during t...
