Brief communication: On calculating the sea-level contribution in marine ice-sheet models

H. Goelzer, Violaine Coulon, Frank Pattyn, Bas de Boer, Roderik S.W. Van De Wal

Research output: Contribution to JournalArticleAcademicpeer-review

Abstract

Estimating the contribution of marine ice sheets to sea-level rise is complicated by ice grounded below sea level that is replaced by ocean water when melted. The common approach is to only consider the ice volume above flotation, defined as the volume of ice to be removed from an ice column to become afloat. With isostatic adjustment of the bedrock and external sea-level forcing, this approach breaks down, because ice volume above flotation can be modified without actual changes of the sea-level contribution. We discuss a consistent and generalised approach for estimating the sea-level contribution from marine ice sheets.
Original languageEnglish
JournalThe Cryosphere Discussions
DOIs
Publication statusPublished - 12 Aug 2019

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ice sheet
sea level
communication
ice
bedrock
ocean
water
flotation

Keywords

  • sea level
  • ice sheets
  • contribution

Cite this

Goelzer, H. ; Coulon, Violaine ; Pattyn, Frank ; de Boer, Bas ; Van De Wal, Roderik S.W. / Brief communication: On calculating the sea-level contribution in marine ice-sheet models. In: The Cryosphere Discussions. 2019.
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Brief communication: On calculating the sea-level contribution in marine ice-sheet models. / Goelzer, H.; Coulon, Violaine; Pattyn, Frank; de Boer, Bas; Van De Wal, Roderik S.W.

In: The Cryosphere Discussions, 12.08.2019.

Research output: Contribution to JournalArticleAcademicpeer-review

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AU - Coulon, Violaine

AU - Pattyn, Frank

AU - de Boer, Bas

AU - Van De Wal, Roderik S.W.

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AB - Estimating the contribution of marine ice sheets to sea-level rise is complicated by ice grounded below sea level that is replaced by ocean water when melted. The common approach is to only consider the ice volume above flotation, defined as the volume of ice to be removed from an ice column to become afloat. With isostatic adjustment of the bedrock and external sea-level forcing, this approach breaks down, because ice volume above flotation can be modified without actual changes of the sea-level contribution. We discuss a consistent and generalised approach for estimating the sea-level contribution from marine ice sheets.

KW - sea level

KW - ice sheets

KW - contribution

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M3 - Article

JO - The Cryosphere Discussions

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