Articles | Volume 12, issue 4
The Cryosphere, 12, 1461–1478, 2018
The Cryosphere, 12, 1461–1478, 2018

Research article 20 Apr 2018

Research article | 20 Apr 2018

Subglacial drainage patterns of Devon Island, Canada: detailed comparison of rivers and subglacial meltwater channels

Anna Grau Galofre et al.

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Cited articles

Beaney, C. L. and Shaw, J.: The subglacial geomorphology of southeast Alberta: evidence for subglacial meltwater erosion, Can. J. Earth Sci., 37, 51–61, 2000. a, b, c, d
Booth, D. B. and Hallet, B.: Channel networks carved by subglacial water: Observations and reconstruction in the eastern Puget Lowland of Washington, Geol. Soc. Am. Bull., 105, 671–683, 1993. a
Brennand, T. A.: Macroforms, large bedforms and rhythmic sedimentary sequences in subglacial eskers, south-central Ontario: implications for esker genesis and meltwater regime, Sediment. Geol., 91, 9–55, 1994. a
Clapperton, C. M.: Channels formed by the superimposition of glacial meltwater streams, with special reference to the East Cheviot Hills, North-East England, Geogr. Ann. A, 50, 207–220, 1968. a, b, c
Clark, C. D., Evans, D. J., Khatwa, A., Bradwell, T., Jordan, C. J., Marsh, S. H., Mitchell, W. A., and Bateman, M. D.: Map and GIS database of glacial landforms and features related to the last British Ice Sheet, Boreas, 33, 359–375, 2004. a
Short summary
Water accumulated at the base of ice sheets is the main driver of glacier acceleration and loss of ice mass in Arctic regions. Previously glaciated landscapes sculpted by this water carry information about how ice sheets collapse and ultimately disappear. The search for these landscapes took us to the high Arctic, to explore channels that formed under kilometers of ice during the last ice age. In this work we describe how subglacial channels look and how they helped to drain an ice sheet.