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Nature 438, 35-36 (3 November 2005) | doi:10.1038/438035a; Published online 2 November 2005

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Global change: Sea level and volcanoes

Anny Cazenave1

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Large volcanic eruptions cool the world ocean. In doing so, they temporarily reduce the increase in ocean heat content and the rise in sea level attributed to warming caused by greenhouse-gas emissions.

Global warming is producing a rise in sea level. Observations from tide gauges and satellite altimetry indicate that sea level has been rising by 1.

  1. Anny Cazenave is at the Laboratoire d'Etudes en Géophysique et Océanographie Spatiales, LEGOS-CNES, 18 avenue Edouard Belin, 31401 Toulouse, Cedex 9, France.
    Email: anny.cazenave@cnes.fr

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