Seawater softening of suture zones inhibits fracture propagation in Antarctic ice shelves
Suture zones are abundant on Antarctic ice shelves and widely observed to impede fracture propagation. Here we show that fracture detainment is principally controlled by the zones’ enhanced seawater contents, reducing fracture-driving stresses by orders of magnitude and therefore greatly enhancing s...
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Nature Portfolio
2019
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oai:doaj.org-article:c11fff1dcaa7489590ba33212e22ec802021-12-02T15:36:18ZSeawater softening of suture zones inhibits fracture propagation in Antarctic ice shelves10.1038/s41467-019-13539-x2041-1723https://doaj.org/article/c11fff1dcaa7489590ba33212e22ec802019-12-01T00:00:00Zhttps://doi.org/10.1038/s41467-019-13539-xhttps://doaj.org/toc/2041-1723Suture zones are abundant on Antarctic ice shelves and widely observed to impede fracture propagation. Here we show that fracture detainment is principally controlled by the zones’ enhanced seawater contents, reducing fracture-driving stresses by orders of magnitude and therefore greatly enhancing stability.Bernd KulessaAdam D. BoothMartin O’LearyDaniel McGrathEdward C. KingAdrian J. LuckmanPaul R. HollandDaniela JansenSuzanne L. BevanSarah S. ThompsonBryn HubbardNature PortfolioarticleScienceQENNature Communications, Vol 10, Iss 1, Pp 1-12 (2019) |
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Science Q Bernd Kulessa Adam D. Booth Martin O’Leary Daniel McGrath Edward C. King Adrian J. Luckman Paul R. Holland Daniela Jansen Suzanne L. Bevan Sarah S. Thompson Bryn Hubbard Seawater softening of suture zones inhibits fracture propagation in Antarctic ice shelves |
description |
Suture zones are abundant on Antarctic ice shelves and widely observed to impede fracture propagation. Here we show that fracture detainment is principally controlled by the zones’ enhanced seawater contents, reducing fracture-driving stresses by orders of magnitude and therefore greatly enhancing stability. |
format |
article |
author |
Bernd Kulessa Adam D. Booth Martin O’Leary Daniel McGrath Edward C. King Adrian J. Luckman Paul R. Holland Daniela Jansen Suzanne L. Bevan Sarah S. Thompson Bryn Hubbard |
author_facet |
Bernd Kulessa Adam D. Booth Martin O’Leary Daniel McGrath Edward C. King Adrian J. Luckman Paul R. Holland Daniela Jansen Suzanne L. Bevan Sarah S. Thompson Bryn Hubbard |
author_sort |
Bernd Kulessa |
title |
Seawater softening of suture zones inhibits fracture propagation in Antarctic ice shelves |
title_short |
Seawater softening of suture zones inhibits fracture propagation in Antarctic ice shelves |
title_full |
Seawater softening of suture zones inhibits fracture propagation in Antarctic ice shelves |
title_fullStr |
Seawater softening of suture zones inhibits fracture propagation in Antarctic ice shelves |
title_full_unstemmed |
Seawater softening of suture zones inhibits fracture propagation in Antarctic ice shelves |
title_sort |
seawater softening of suture zones inhibits fracture propagation in antarctic ice shelves |
publisher |
Nature Portfolio |
publishDate |
2019 |
url |
https://doaj.org/article/c11fff1dcaa7489590ba33212e22ec80 |
work_keys_str_mv |
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