Sea level rise projections for current generation CGCMs based on the semi-empirical method

The semi‐empirical relationship between global surface air temperature and mean sea level first developed by Rahmstorf is here applied to the latest generation of Coupled Global Climate Models (CGCMs) used for the IPCC Fourth Assessment Report (AR4). Our results produce a broader range of sea level...

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Bibliographic Details
Published in:Geophysical research letters 2008-01, Vol.35 (2), p.n/a
Main Authors: Horton, Radley, Herweijer, Celine, Rosenzweig, Cynthia, Liu, Jiping, Gornitz, Vivien, Ruane, Alex C.
Format: Article
Language:English
Subjects:
climate change
coupled global climate model
Earth sciences
Earth, ocean, space
Exact sciences and technology
Marine
sea level rise
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Summary:The semi‐empirical relationship between global surface air temperature and mean sea level first developed by Rahmstorf is here applied to the latest generation of Coupled Global Climate Models (CGCMs) used for the IPCC Fourth Assessment Report (AR4). Our results produce a broader range of sea level rise projections, especially at the higher end, than outlined in IPCC AR4. The range of sea level rise results is CGCM and emissions‐scenario dependent, and not sensitive to initial conditions or how the data are filtered temporally. Both the IPCC AR4 and the semi‐empirical sea level rise projections described here are likely to underestimate future sea level rise if recent trends in the polar regions accelerate.
ISSN:0094-8276
1944-8007
DOI:10.1029/2007GL032486