Nature Climate Change paper is here [1]<p>[1] <a href="https://sci-hub.st/https://www.nature.com/articles/s41558-021-01097-4" rel="nofollow">https://sci-hub.st/https://www.nature.com/articles/s41558-02...</a><p>Edit: additional information [2]<p>[2] <a href="https://www.researchgate.net/publication/269281476_Early_warning_signals_of_Atlantic_Meridional_Overturning_Circulation_collapse_in_a_fully_coupled_climate_model" rel="nofollow">https://www.researchgate.net/publication/269281476_Early_war...</a>