Short term comparison of climate model predictions and satellite altimeter measurements of seal levels
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Material Information

Title:
Short term comparison of climate model predictions and satellite altimeter measurements of seal levels
Series Title:
Coastal Engineering Volume 60
Creator:
Boretti, Alberto A.
Publisher:
Elsevier
Publication Date:
Language:
English

Subjects

Subjects / Keywords:
Climate change ( lcsh )
Sea level rise ( lcsh )
Carbon dioxide ( lcsh )

Notes

Abstract:
Climate models (http://climatecommission.govspace.gov.au/files/2011/05/4108-CC-Science-Update-PRINTCHANGES.pdf, 2011; http://www.ipcc.ch/publications_and_data/publications_ipcc_fourth_assessment_report_ synthesis_report.htm, 2011; Rahmstorf, 2007, 2010) calculate that temperatures are increasing globally and sea level rises are increasing due to anthropogenic carbon dioxide emissions. More recent predictions (http://climatecommission.govspace.gov.au/files/2011/05/4108-CC-Science-Update-PRINT-CHANGES.pdf, 2011; Rahmstorf, 2007, 2010) have forecasted that sea level rises by 2100 will be higher than the 2007 projections by the Intergovernmental Panel on Climate Change (http://www.ipcc.ch/publications_and_data/publications_ipcc_fourth_assessment_report_synthesis_report.htm, 2011), with projected sea level rises increasing from 18–59 cm to 100 cm. In this brief communication, the predictions of Rahmstorf (2007) are validated against the experimental evidence over a 20 year period. The University of Colorado Sea Level satellite monitoring shows that the rate of rise of the sea level is not only well below the values computed in http://climatecommission.govspace.gov.au/files/2011/05/4108-CC-Science-Update-PRINTCHANGES.pdf (2011) and Rahmstorf (2007, 2010), but actually reducing rather than increasing (http://sealevel.colorado.edu/, 2011b; 10,11). These results suggest that sea level predictions based solely on the presumed temperature evolution may fail to accurately predict the long term sea levels at the end of the century. ( English )

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Florida International University
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