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Brief communication: on calculating the sea-level contribution in marine ice-sheet models
Goelzer, H.; Coulon, V.; Pattyn, F.; de Boer, B.; van de Wal, R.S.W. (2020). Brief communication: on calculating the sea-level contribution in marine ice-sheet models. Cryosphere 14(3): 833-840. https://hdl.handle.net/10.5194/tc-14-833-2020
In: The Cryosphere. Copernicus: Göttingen. ISSN 1994-0416; e-ISSN 1994-0424, more
Peer reviewed article  
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Keyword
    Marine/Coastal
Authors  Top 
  • de Boer, B.
  • van de Wal, R.S.W.
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 floatation, 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 that is not a result of mass changes of the ice sheet under consideration, this approach breaks down, because ice volume above floatation can be modified without actual changes in the sea-level contribution. We discuss a consistent and generalised approach for estimating the sea-level contribution from marine ice sheets.
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