Soil and vadose zone of aquifers act as protective covers to groundwater (Mudry et al., 2003), so specific studies of subsurface water flow and solute transport that could be contaminants in both environments are necessary. These studies are essential for a better understanding of the attenuation factors affecting the contaminants before their arrival to the underground resource. The methodology applied to the study of porous aquifers is different from that applied to carbonate (karstic) aquifers (Stephens, 1����� (Stephens, 1����� Selker et al., 1���). The reason for this difference is The reason for this difference is
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