Characterization of Recharge Mechanisms and Sources of Groundwater Salinization in Ras Jbel Coastal Aquifer (Northeast Tunisia) Using Hydrogeochemical Tools, Environmental Isotopes, GIS, and Statistics

Figure 13

Gibbs diagram showing TDS versus (a) Na/(Na + Ca) and (b) Cl/(Cl + HCO₃).

(a)

(b)