Articles | Volume 10, issue 1
The Cryosphere, 10, 193–225, 2016
https://doi.org/10.5194/tc-10-193-2016

Special issue: Interactions between climate change and the Cryosphere: SVALI,...

The Cryosphere, 10, 193–225, 2016
https://doi.org/10.5194/tc-10-193-2016

Research article 21 Jan 2016

Research article | 21 Jan 2016

Sheet, stream, and shelf flow as progressive ice-bed uncoupling: Byrd Glacier, Antarctica and Jakobshavn Isbrae, Greenland

T. Hughes et al.

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Short summary
The Antarctic and Greenland ice sheets are drained primarily by fast ice streams that end as ice shelves if they become afloat. Smooth transitions from slow sheet flow to fast stream flow to confined shelf flow are obtained and applied to Byrd Glacier in Antarctica after two upstream subglacial lakes suddenly drained in 2006, and to Jakobshavn Isbrae in Greenland after a confined ice shelf suddenly disintegrated in 2002. Byrd Glacier quickly stabilized, but Jakobshavn Isbrae remains unstable.