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Flotation and free surface flow in a model for subglacial drainage. Part 1. Distributed drainage

Abstract:

We present a continuum model for melt water drainage through a spatially distributed system of connected subglacial cavities, and consider in this context the complications introduced when effective pressure or water pressure drops to zero. Instead of unphysically allowing water pressure to become negative, we model the formation of a partially vapour-or air-filled space between ice and bed. Likewise, instead of allowing sustained negative effective pressures, we allow ice to separate from th...

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Publisher copy:
10.1017/jfm.2012.165

Authors


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Institution:
University of Oxford
Division:
MPLS
Department:
Mathematical Institute
Role:
Author
Journal:
Journal of Fluid Mechanics
Volume:
702
Pages:
126-156
Publication date:
2012-07-10
DOI:
EISSN:
1469-7645
ISSN:
0022-1120
Source identifiers:
390659
Language:
English
Keywords:
Pubs id:
pubs:390659
UUID:
uuid:b5f1f34c-24ec-4e5e-8a2a-12edf5db535c
Local pid:
pubs:390659
Deposit date:
2013-11-16

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