Figure 1: Context of study area.
From: Subglacial lake drainage detected beneath the Greenland ice sheet
Outline of collapse basin (blue polygon), and supraglacial catchment (blue hatching) shown in relation to the western margin on the Greenland ice sheet. Wintertime ice flow44 and contours of ice sheet surface elevation28 at 500 m intervals are also shown. The red rectangle indicates the area shown in Fig. 2.
