Abstract
Variations of Global Sea Level are considered as an integral indicator of global water exchange. The results of analysis of Global Sea Level variations over past 140 years are estimated from tide-gauge data. Level trend in the XX century is shown to amount to 1.8 mm/year. The contributions of various factors to the formation of Global Sea Level trend are discussed. The interannual variations of evaporation and precipitation over the World Ocean are estimated for the first time, and their difference is shown to significantly contribute to the level trend, especially in the recent decade. Moreover, the significant rise in Global Sea Level is associated with the thermosteric level variations and, possibly, with the bottom melting of Antarctic shelf glaciers.
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