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Ice-shelf damming in the glacial Arctic Ocean: dynamical regimes of a basin-covering kilometre-thick ice shelf

Abstract:

Recent geological and geophysical data suggest that a 1km thick ice shelf extended over the glacial Arctic Ocean during Marine Isotope Stage 6, about 140000 years ago. Here, we theoretically analyse the development and equilibrium features of such an ice shelf, using scaling analyses and a one-dimensional ice-sheet–ice-shelf model. We find that the dynamically most consistent scenario is an ice shelf with a nearly uniform thickness that covers the entire Arctic Ocean. Further, the ice shelf h...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.5194/tc-11-1745-2017

Authors


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Name:
Knut and Alice Wallenberg Foundation
Grant:
SWERUS-C3
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Name:
Swedish National Space Board
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Name:
Swedish Polar Research Secretariat
Publisher:
European Geosciences Union
Journal:
Cryosphere More from this journal
Volume:
11
Issue:
1745
Pages:
1745-1765
Publication date:
2017-07-26
Acceptance date:
2017-06-16
DOI:
ISSN:
1994-0424
Pubs id:
pubs:709396
UUID:
uuid:d3000f62-2ed8-4b68-b3b0-b11e2357b9f4
Local pid:
pubs:709396
Source identifiers:
709396
Deposit date:
2017-07-27

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