Discovery of relict subglacial lakes and their geometry and mechanism of drainage

Stephen J. Livingstone (), Daniel J. Utting, Alastair Ruffell, Chris D. Clark, Steven Pawley, Nigel Atkinson and Andrew C. Fowler
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Stephen J. Livingstone: Sheffield University, Winter Street, Sheffield S10 2TN, UK
Daniel J. Utting: Alberta Geological Survey
Alastair Ruffell: School of Geography, Archaeology and Palaeoecology, Queen’s University Belfast
Chris D. Clark: Sheffield University, Winter Street, Sheffield S10 2TN, UK
Steven Pawley: Alberta Geological Survey
Nigel Atkinson: Alberta Geological Survey
Andrew C. Fowler: Mathematics Applications Consortium for Science and Industry (MACSI), University of Limerick

Nature Communications, 2016, vol. 7, issue 1, 1-9

Abstract: Abstract Recent proxy measurements reveal that subglacial lakes beneath modern ice sheets periodically store and release large volumes of water, providing an important but poorly understood influence on contemporary ice dynamics and mass balance. This is because direct observations of how lake drainage initiates and proceeds are lacking. Here we present physical evidence of the mechanism and geometry of lake drainage from the discovery of relict subglacial lakes formed during the last glaciation in Canada. These palaeo-subglacial lakes comprised shallow (

Date: 2016
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Persistent link: https://EconPapers.repec.org/RePEc:nat:natcom:v:7:y:2016:i:1:d:10.1038_ncomms11767

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DOI: 10.1038/ncomms11767

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