Journal
CRYOSPHERE
Volume 14, Issue 3, Pages 833-840Publisher
COPERNICUS GESELLSCHAFT MBH
DOI: 10.5194/tc-14-833-2020
Keywords
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Funding
- programme of the Netherlands Earth System Science Centre (NESSC) - Dutch Ministry of Education, Culture and Science (OCW) [024.002.001]
- Fonds de la Recherche Scientifique de Belgique (F.R.S. - FNRS)
- SCOR Corporate Foundation for Science
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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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