Marine ice in Larsen Ice Shelf | Zendy

Holland Paul R. | Zendy; Corr Hugh F. J. | Zendy; Vaughan David G. | Zendy; Jenkins Adrian | Zendy; Skvarca Pedro | Zendy

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Marine ice in Larsen Ice Shelf

Author(s) -

Holland Paul R.,

Corr Hugh F. J.,

Vaughan David G.,

Jenkins Adrian,

Skvarca Pedro

Publication year - 2009

Publication title -

geophysical research letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.007

H-Index - 273

eISSN - 1944-8007

pISSN - 0094-8276

DOI - 10.1029/2009gl038162

Subject(s) - ice shelf , geology , sea ice , oceanography , cryosphere

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.

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