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Abstract

The lithosphere, oceans and the atmosphere form the largest reservoirs on earth. The main link between these reservoirs is the hydrological cycle, which provides fresh-water for humans, continental ecosystem functions, weathering, and sediment transport and is co-responsible for the temperature equilibration on earth. The driving force of the water cycle is solar radiation, contributing with an average of 1024 J/year to water evaporation; for comparison, the European Community consumes about 7×1019 J/year of energy.

Keywords

Hydraulic Conductivity Groundwater Recharge Unsaturated Zone Water Cycle Vadose Zone 
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 2007

Authors and Affiliations

  • K.-P. Seiler
    • 1
  • J.R. Gat
    • 2
  1. 1.GSF National Research CentreNeuherbergGermany
  2. 2.Weizmann Institute of ScienceIsrael

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