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Channelization of plumes beneath ice shelves

Abstract:

We study a simpli ed model of ice-ocean interaction beneath a oating ice shelf, and investigate the possibility for channels to form in the ice shelf base due to spatial variations in conditions at the grounding line. The model combines an extensional thin- film description of viscous ice flow in the shelf, with melting at its base driven by a turbulent ocean plume. Small transverse perturbations to the one-dimensional steady state are considered, driven either by ice thickness or subglacia...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1017/jfm.2015.609

Authors


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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Atmos Ocean & Planet Physics
Role:
Author
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Institution:
University of Oxford
Division:
MPLS
Department:
Mathematical Institute
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Mathematical Institute
Role:
Author
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Funding agency for:
Wells, A
Grant:
PCIG13-GA-2013-618610
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Funding agency for:
Hewitt, I
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Funding agency for:
Dallaston, M
Grant:
EP/K008595/1
King Abdullah University of Science and Technology More from this funder
John Fell Fund More from this funder
Publisher:
Cambridge University Press Publisher's website
Journal:
Journal of Fluid Mechanics Journal website
Volume:
758
Pages:
109-134
Publication date:
2015-11-11
DOI:
EISSN:
1469-7645
ISSN:
0022-1120
Source identifiers:
571110
Keywords:
Pubs id:
pubs:571110
UUID:
uuid:1035f51e-be9c-4392-8af0-857293f45e63
Local pid:
pubs:571110
Deposit date:
2015-10-19

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