Marine ice in Larsen Ice Shelf

Holland, Paul; Corr, Hugh; Vaughan, David; Jenkins, Adrian; Skvarca, Pedro. 2009 Marine ice in Larsen Ice Shelf. Geophysical Research Letters, 36 (L11604). 6, pp. /10.1029/2009GL038162

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Abstract/Summary

It is argued that Larsen Ice Shelf contains marine ice formed by oceanic freezing and other mechanisms. Missing basal returns in airborne radar soundings and observations of a smooth and healed surface coincide downstream of regions where an ocean model predicts freezing. Visible imagery suggests that marine ice currently stabilizes Larsen C Ice Shelf and implicates failure of marine flow bands in the 2002 Larsen B Ice Shelf collapse. Ocean modeling indicates that any regime change towards the incursion of warmer Modified Weddell Deep Water into the Larsen C cavity could curtail basal freezing and its stabilizing influence.

Item Type:	Article
Identification Number/DOI:	/10.1029/2009GL038162
Programmes:	BAS Programmes > Global Science in the Antarctic Context (2005-2009) > Antarctic Climate and the Earth System
ISSN:	0094-8276
Date made live:	26 Nov 2009 17:55
URI:	http://nora.nerc.ac.uk/id/eprint/8651

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