Extended Data Fig. 4: Time series of observed wave height and peak period and modelled maximum ice shelf strain, in the lead up to and during the Wilkins disintegration events.
From: Antarctic ice shelf disintegration triggered by sea ice loss and ocean swell
a, b, Daily significant wave height (blue) and peak wave period (red) within the Wilkins boxed region (marked W in Fig. 3 for the Wilkins Ice Shelf disintegration events in 2008 and 2009, respectively. c, d, Corresponding model predictions of maximum ice shelf strain for an ice shelf of thickness 80 m, 150 m and 200 m. Pink horizontal bars indicate periods when waves were propagating towards the shelf from the sector 0°–90° W, and light blue bars indicate periods when the sea ice concentration was less than 40%. Approximate timings of disintegration event onsets are marked as dashed lines.
