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Introduction

  • K.-P. Seiler
  • J.R. Gat
Chapter
  • 1.3k Downloads
Part of the Water Science and Technology Library book series (WSTL, volume 55)

Abstract

Fresh-water on continents is made up by two-third of ice and one-third of nonsolid water. Groundwater accounts for 96.3% of all non-solid fresh-water resources (8,000,000 km3), followed by lake water (2.7%), soil water (0.8%), and river water (0.01%); the rest belongs to atmospheric water vapor. Most lakes are interrelated with groundwater; more than 45% of the surface discharge of rivers in humid and semi-arid climates originates from groundwater, whereas in arid (dry-land) and cold climates surface discharge contributes to groundwater.

Keywords

Groundwater Recharge Groundwater Management Water Withdrawal Natural Attenuation Atmospheric Water Vapor 
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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