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Global Warming Expected from Increase of Greenhouse Gases a Forcing for Sea Level Change

  • Guido Visconti
Chapter
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Part of the NATO ASI Series book series (ASIC, volume 334)

Abstract

Global warming and related climatic changes expected from increase of the concentration of greenhouse gases may produce a redistribution of ice and water reservoir and consequentely will affect the sea level. Direct warming may also affect sea level through thermal expansion. In this paper the model calculations on future sea level changes and interpretation of past data are reviewed. The most interesting results appeared so far seem to indicate that sea level rise has a regional character with different regions showing quite different trend. These model calculations however show some limitation because they do not consider the changes in ocean circulation produced by changes in the intensity of the wind stress field or salinity due to the changing climate. These changes may be of the same magnitude of those produced by thermal expansion or melting of mountain glaciers and may appear on a relatively short time scale (10 year). The regional dependence of the sea level rise and the short time scale associated with circulation changes may introduce an additional noise source in analyzing past and future data.

Keywords

Wind Stress Ocean Circulation North Atlantic Deep Water Energy Balance Model Small Glacier 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media Dordrecht 1991

Authors and Affiliations

  • Guido Visconti
    • 1
  1. 1.Dipartimento di FisicaUniversità degli Studi – L’AquilaCoppito, L’AquilaItaly

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