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Erratum

Published online by Cambridge University Press:  08 September 2017

Richard C. A. Hindmarsh
Richard C. A. Hindmarsh*
Affiliation:
British Antarctic Survey, Natural Environment Research Council, High Cross,Madingley Road, Cambridge CB3 0ET, England E-mail: [email protected]
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Abstract

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Type
Correction
Information
Journal of Glaciology , Volume 48 , Issue 160 , 2002 , pp. 174
Copyright
Copyright © The Author(s) 2002

Hindmarsh, R. C. A. and E. Le Meur. 2001. Dynamical processes involved in the retreat of marine ice sheets. J Glaciol., 47(157), 271–282.

Hindmarsh and Le Meur (2001, p. 279) incorrectly stated that “the [ice-sheet] thinning associated with sea-level rise reported by Reference Alley and WhillansAlley and Whillans (1984) … is a numerical artefact”. Alley and Whillans did not directly model the effects of sea-level rise, instead they assumed that sea-level rise would cause grounding-line retreat and near-coastal thinning, and modelled the ice-sheet response to specified thinning near the new grounding-line position. That response — up-glacier propagation of thinning — is not a numerical artefact but is robust and should occur in other models. By avoiding the physical problem of grounding-line motion addressed by Hindmarsh and Le Meur (2001) , Alley and Whillans also avoided the potential numerical artefact identified by Hindmarsh and Le Meur.

Acknowledgement

We thank R. B. Alley for pointing out our mistaken interpretation of the calculations reported by Alley and Whillans.

References

Alley, R. B. and Whillans, I. M. 1984. Response of the East Antarctica ice sheet to sea-level rise. J. Geophys. Res., 89(C4), 6487–6493.CrossRefGoogle Scholar