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Agoubi*, B.; Kharroubi, A.; Abida, H. |
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Saltwater intrusion modelling in Jorf coastal aquifer, Southeastern Tunisia: geochemical, geoelectrical and geostatistical application |
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2013 |
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Hydrol. Process. |
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27 |
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1191-1199 |
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CUT @ phaedon.kyriakidis @ Agoubi2013 |
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139 |
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El Yaouti, F.; El Mandour, A.; Khattach, D.; Benavente, J.; Kaufmann, O. |
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Title |
Salinization processes in the unconfined aquifer of Bou-Areg (NE Morocco): A geostatistical, geochemical, and tomographic study |
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Journal Article |
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2009 |
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Applied Geochemistry |
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24 |
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1 |
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16-31 |
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Hydrogeological and geochemical data, in conjunction with the results of an electrical imaging tomographic survey, were examined to determine the main factors and mechanisms controlling the groundwater chemistry and salinity of the unconfined aquifer of Bou-Areg, on the Mediterranean coast of NE Morocco. In addition, statistical and geochemical interpretation methods were used to identify the distribution of the salinity. Multivariate statistical analysis (cluster and principal component factors) revealed the main sources of contamination. Groups A, B, and C in the cluster analysis and Factors 1–3 (Factor 1: CE, Cl−, K+, SO42-, and Mg2+; Factor 2: Ca2+, HCO3-, and pH; Factor 3: NO3-) represent the ‘signature’ of seawater intrusion in the coastal zone, the influence of marly-gypsum outcrops in the upstream zone, and anthropogenic sources, respectively. The ionic delta, the ionic ratio, the saturation index, and Stuyfzand’s method were applied to evaluate geochemical processes. The results obtained indicate, on the one hand, the phenomenon of salinization in both the coastal and the upstream zones, and on the other, the dilution of groundwater by recharge. Cation exchange is shown to modify the concentration of ions in groundwater. Locally, with respect to salinization processes in the coastal zone, the results of electrical imaging tomography show that salinity increases both with depth and laterally inland from the coastline, due to seawater intrusion. |
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0883-2927 |
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THL @ christoph.kuells @ ElYaouti2009 |
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21 |
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Yaouti*, F.E.; Mandour, A.E.; Khattach, D.; Benavente, J.; Kaufmann, O. |
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Title |
Salinization processes in the unconfined aquifer of Bou-Areg (NE Morocco): A geostatistical, geochemical, and tomographic study |
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2009 |
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Appl. Geochemistry |
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24 |
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1 |
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16-31 |
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CUT @ phaedon.kyriakidis @ Yaouti2009 |
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148 |
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Vengosh, A.; Rosenthal, E. |
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Saline groundwater in Israel: its bearing on the water crisis in the country |
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1994 |
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Journal of Hydrology |
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156 |
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1 |
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389-430 |
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One of the major causes for the deterioration of water quality bearing heavily on the water crisis in Israel is the ongoing contamination of its water resources by saline water bodies. The present paper reviews the geochemical processes forming saline water, lists and explains certain chemical and isotopic parameters which enable understanding these processes and describes the saline groundwater bodies and various salinization phenomena occurring in the country’s various aquifers. Deterioration of groundwater in Israel is caused by numerous natural processes such as encroachment of sea water, migration of connate, highly pressurized brines penetrating into fresh groundwater, by subsurface dissolution of soluble salts originating in surrounding country rocks and by water-rock interaction. In addition to sea water, two saline water bodies were identified as the main factors causing salinization of fresh groundwater: (a) Ca-chloride brines encountered in the Jordan-Dead Sea Rift Valley, in various parts of the Negev and of the Coastal Plain, and (b) Na-chloride saline water identified in the subsurface of the Negev and in the southern part of the Coastal Plain. Intensive exploitation of groundwater in Israel has disturbed the natural equilibrium which prevailed between fresh and saline water. The newly established groundwater flow regimes have facilitated the migration of saline water bodies, their participation in the active hydrological cycle and the progressive contamination of fresh groundwater. These processes which were not anticipated by planners and water resources managers emphasize that large-scale groundwater exploitation was undertaken without giving sufficient consideration to the occurrence and subsurface migration of saline water and brines. |
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0022-1694 |
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THL @ christoph.kuells @ Vengosh1994 |
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39 |
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Guerzoni, S.; Molinaroli, E.; Chester, R. |
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Saharan dust inputs to the W. Mediterranean Sea: depositional patterns, geochemistry and sedimentological implications |
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1997 |
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Deep-Sea Res |
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44 |
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3-4 |
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631-654 |
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THL @ luqianxue.zhang @ Guerzoni1997 |
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61 |
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