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Constraints on future sea-level rise from past sea-level change (Retracted article. See vol. 3, pg. 217, 2010)

Siddall, Mark, Stocker, Thomas F. and Clark, Peter U (2009) Constraints on future sea-level rise from past sea-level change (Retracted article. See vol. 3, pg. 217, 2010). NATURE GEOSCIENCE, 2 (8). pp. 571-575. [Journal article]

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DOI: 10.1038/NGEO587

Abstract

It is difficult to project sea-level rise in response to warming climates by the end of the century, especially because the response of the Greenland and Antarctic ice sheets to warming is not well understood1. However, sea-level fluctuations in response to changing climate have been reconstructed for the past 22,000 years from fossil data, a period that covers the transition from the Last Glacial Maximum to the warm Holocene interglacial period. Here we present a simple model of the integrated sea-level response to temperature change that implicitly includes contributions from the thermal expansion and the reduction of continental ice. Our model explains much of the centennial-scale variability observed over the past 22,000 years, and estimates 4–24 cm of sea-level rise during the twentieth century, in agreement with the Fourth Assessment Report of the Intergovernmental Panel on Climate Change1 (IPCC). In response to the minimum (1.1 °C) and maximum (6.4 °C) warming projected for AD 2100 by the IPCC models, our model predicts 7 and 82 cm of sea-level rise by the end of the twenty-first century, respectively. The range of sea-level rise is slightly larger than the estimates from the IPCC models of 18–76 cm, but is sufficiently similar to increase confidence in the projections.

Item Type:Journal article
Faculties and Schools:Faculty of Life and Health Sciences > School of Geography and Environmental Sciences
Faculty of Life and Health Sciences
Research Institutes and Groups:Environmental Sciences Research Institute > Quaternary Environmental Change
Environmental Sciences Research Institute
ID Code:27135
Deposited By: Mrs Linda Allen
Deposited On:29 Sep 2013 08:36
Last Modified:09 May 2016 11:17

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