This research highlights the importance of accounting for large amounts of ground ice that can make up a significant portion of total permafrost volume in some areas. (eos.org)
The transition from grounded ice to a floating ice shelf is the grounding line. (eos.org)
In contrast to glaciers and ice sheets, which sit on the ground, ground ice sits in the ground, mixed with frozen soil or buried under layers of sediment. (sciencedaily.com)