š If the AMOC collapses, the ocean could flip from a carbon sink ā carbon source.
Mechanism:
ā NADW formation
ā Carbon sequestration efficiency
ā Atmospheric CO2
Net effect: a shift toward ocean-driven carbon release and enhanced warming (positive feedback)
www.nature.com/articles/s43...
The collapse of Atlantic Meridional Overturning Circulation would result in increase of 47-83 ppm of global mean atmospheric carbon dioxide and 0. 2 °C of additional global warming at higher carb...