ORCID Profile
0000-0003-1668-7372
Current Organisation
University of St Andrews
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Publisher: Elsevier BV
Date: 07-2011
Publisher: American Geophysical Union (AGU)
Date: 07-07-2012
DOI: 10.1029/2011JF002220
Publisher: Proceedings of the National Academy of Sciences
Date: 16-07-2018
Abstract: Mass loss from the Greenland Ice Sheet is expected to be a major contributor to 21st Century sea-level rise, but projections retain substantial uncertainty due to the challenges of modeling the retreat of the tidewater outlet glaciers that drain from the ice sheet into the ocean. Despite the complexity of these glacier–fjord systems, we find that over a 20-y period much of the observed tidewater glacier retreat can be explained as a predictable response to combined atmospheric and oceanic warming, bringing us closer to incorporating these effects into the ice sheet models used to predict sea-level rise.
Publisher: American Geophysical Union (AGU)
Date: 06-08-2013
DOI: 10.1002/GRL.50764
Publisher: Proceedings of the National Academy of Sciences
Date: 18-11-2013
Abstract: During summer, meltwater generated on the Greenland ice sheet surface accesses the ice sheet bed, lubricating basal motion and resulting in periods of faster ice flow. However, the net impact of varying meltwater volumes upon seasonal and annual ice flow, and thus sea level rise, remains unclear. In 2012, despite record ice sheet runoff, including two extreme melt events, ice at a land-terminating margin flowed more slowly than in the average melt year of 2009, due principally to slower winter flow following faster summer flow. Our findings suggest that annual motion of land-terminating margins of the ice sheet, and thus the projected dynamic contribution of these margins to sea level rise, is insensitive to melt volumes commensurate with temperature projections for 2100.
Location: United Kingdom of Great Britain and Northern Ireland
Location: United Kingdom of Great Britain and Northern Ireland
Location: United Kingdom of Great Britain and Northern Ireland
Location: United Kingdom of Great Britain and Northern Ireland
No related grants have been discovered for Tom Cowton.