Marine ice in Larsen Ice Shelf

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

doi:10.1029/2009gl038162

Marine ice in Larsen Ice Shelf

Paul R. Holland^*, Hugh F J Corr, David G. Vaughan, Adrian Jenkins, Pedro Skvarca

^*Corresponding author for this work

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Abstract

[1] 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.

Original language	English
Article number	L11604
Number of pages	6
Journal	Geophysical Research Letters
Volume	36
Issue number	11
Early online date	4 Jun 2009
DOIs	https://doi.org/10.1029/2009gl038162
Publication status	Published - Jun 2009
Externally published	Yes

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title = "Marine ice in Larsen Ice Shelf",

abstract = "[1] 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.",

author = "Holland, {Paul R.} and Corr, {Hugh F J} and Vaughan, {David G.} and Adrian Jenkins and Pedro Skvarca",

year = "2009",

month = jun,

doi = "10.1029/2009gl038162",

language = "English",

volume = "36",

journal = "Geophysical Research Letters",

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publisher = "American Geophysical Union",

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T1 - Marine ice in Larsen Ice Shelf

AU - Holland, Paul R.

AU - Corr, Hugh F J

AU - Vaughan, David G.

AU - Jenkins, Adrian

AU - Skvarca, Pedro

PY - 2009/6

Y1 - 2009/6

N2 - [1] 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.

AB - [1] 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.

U2 - 10.1029/2009gl038162

DO - 10.1029/2009gl038162

M3 - Article

SN - 0094-8276

VL - 36

JO - Geophysical Research Letters

JF - Geophysical Research Letters

IS - 11

M1 - L11604

ER -

Marine ice in Larsen Ice Shelf

Abstract

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