Hydrogeological maps provide spatially distributed information about aquifers, including their geological, hydrogeological and hydrochemical characteristics. Groundwater mapping has been defined as a tool for systematic development and planning of water resources (Elbeih, 2015). This paper provides a method based on the RS/GIS for the recognition of high groundwater potential areas and geoelectrical tomography for precise determination of the water well drilling location. Cost-effective and efficient techniques for groundwater exploration, especially in karstic regions, can be used to as an appropriate tool to recognition of karst hydrogeological potential. Groundwater resources can be expected to be increasingly relied upon, in the near future, as a consequence of rapid population growth and global environmental change. Aquifers provide drinking water to at least 50% of the global population, and account for 43% of all water used for irrigation. Groundwater is the largest available freshwater resource in the world.
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