Ill-posedness of the shallow-ice approximation when modelling thermoviscous instabilities

Hindmarsh, Richard C.A. ORCID: https://orcid.org/0000-0003-1633-2416. 2011 Ill-posedness of the shallow-ice approximation when modelling thermoviscous instabilities. Journal of Glaciology, 57 (206). 1177-1178. 10.3189/002214311798843304

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Abstract/Summary

A recent paper by Reference CalovCalov and others (2010) presents an intercomparison of several numerical ice-sheet models where the development of large-scale thermo-viscous instabilities is compared. In all but one of the models, the mechanics are approximated using the shallow-ice approximation (SIA). My purpose in writing this letter is to point out the dangers of using this approximation in this kind of analysis. [...]

Item Type:	Publication - Article
Digital Object Identifier (DOI):	10.3189/002214311798843304
Programmes:	BAS Programmes > Polar Science for Planet Earth (2009 - ) > Ice Sheets
ISSN:	0022-1430
Date made live:	09 Jan 2012 15:21 +0 (UTC)
URI:	https://nora.nerc.ac.uk/id/eprint/16304

Item Type:

Publication - Article

Digital Object Identifier (DOI):

10.3189/002214311798843304

Programmes:

BAS Programmes > Polar Science for Planet Earth (2009 - ) > Ice Sheets

ISSN:

0022-1430

Date made live:

09 Jan 2012 15:21 +0 (UTC)

URI:

https://nora.nerc.ac.uk/id/eprint/16304