Extended Data Fig. 4: Example reversibility experiments.
From: Ocean warming as a trigger for irreversible retreat of the Antarctic ice sheet
a) Left shows the grounding line movement during three reversibility experiments (one for each catchment), where each experiment was restarted when the grounding lines reached the coloured circles (red, purple, orange) along each ice stream profile (white). The background is bed topography from BedMachine v229. b-d show the side profiles for each ice stream and the continued retreat during the reversibility experiments. Note the differences in the colourbar, where the black line in each case is the grounding line position at the start of the reversibility experiment, and white-purple are the grounding lines at 20-year intervals thereafter. These colourbars correspond to the grounding lines through time at each ice stream profile in panel a. Dashed lines in all plots denote the flotation elevation.
