HYDROGEOCHEMISTRY OF GROUNDWATER IN CENTRAL ISRAEL |
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| Authors: | Arnon ARAD |
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| Institution: | Lockheed Palo Alto Research Laboratory , 3251 Hanover Street, Palo Alto, California, 94304, USA |
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| Abstract: | ABSTRACT The regional groundwater groups of central Israel include: -
bicarbonate waters representing the replenishment areas; -
chloride waters representing the confined and the base-level zones; -
sulfate waters of the intermediate zones (fig. 2). These water types were found to fit broadly into five hydrogeographical groups. The chemical evolution of the ground waters is a function of: a) lithology and solubility of the aquifer components and of the surrounding strata; b) mixing between groundwater bodies of different composition. The first factor is important mainly within the confined zones while the latter is conspicuous in the Rift Valley and adjacent areas. Groundwater mixing within the Dead Sea basin produces waters with Mg > Na > Ca, and Cl ? SO > HCO3. Other brines show the order: Ca > Na > Mg. All these brines show compositions different from ocean water. |
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