Journal
JOURNAL OF GLACIOLOGY
Volume 60, Issue 222, Pages 685-693Publisher
CAMBRIDGE UNIV PRESS
DOI: 10.3189/2014JoG14J010
Keywords
Antarctic glaciology; calving; ice-shelf break-up
Funding
- Laboratory of Hydraulics, Hydrology and Glaciology, ETH Zurich
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We consider a theory for shallow ice shelves that includes an isotropic damage variable. A zeroth-order shallow-shelf approximation allows a simple yet consistent treatment of both ice dynamics and damage evolution. We find that the damage variable (like temperature) has, in general, to vary with depth; a purely two-dimensional membrane theory can only be considered a rough approximation for isothermal ice shelves.
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