Greenhouse Effect, Sea Level and Drought

Volume 325 of the series NATO ASI Series pp 153-163

Present and Near-Future Sea-Level Changes: An Assessment

  • P. A. PirazzoliAffiliated withLaboratoire de Géographie Physique, URA-141 du CNRS

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The present paper attempts to answer two questions:

Is the global sea level rising, and how far? 2. Should we expect a global sea-level rise during the next century?

The answer to the first question is yes; the sea level has risen since the end of the last century, but this rise has been two to three times less than what is generally reported in the literature. In addition, during the last 40 years there has probably been no global sea-level rise at all.

The answer to the second question is much less definite. A significant sea-level rise during the next century is a dangerous possibility that must not be ignored. However too many points are still unclear and it is difficult to say when and to what extent this rise may occur.