The Role of Natural Versus Forced Change in Future Rapid Summer Arctic Ice Loss - Arctic Sea Ice Decline: Observations, Projections, Mechanisms, and Implications - page 136

Plate 3. May ice thickness immediately preceding an abrupt transition in the ice cover for simulated abrupt transitions
occurring between 2020 and 2030. The solid line indicates the September ice extent immediately preceding the event, and
the dashed line shows the September ice extent immediately following the event.