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Hydrochemical investigation on the clastic and carbonate aquifers of Kuwait
Abstract. The field pH and contents of basic cations, anions, total alkalinity and other aqueous species have been measured in 89 groundwater samples collected from clastic sediments and carbonate aquifers of Kuwait. The mean molar ratio of $ Mg^{2+} $/$ Ca^{2+} $ is 0.63 and 0.48 for the carbonate and clastic aquifers respectively, indicating that the groundwater of the carbonate aquifer is in equilibrium with calcite and dolomite, the calculated mean $ PCO_{2} $ of the clastic and carbonate aquifers suggesting a deep closed environment system. The clastic aquifer is supersaturated with respect to calcite, aragonite, quartz and chalcedony, undersaturated to near-saturated with dolomite and undersaturated with respect to gypsum, anhydrite and halite, whereas the carbonate aquifer is supersaturated with respect to dolomite, calcite, aragonite and quartz but undersaturated with anhydrite, gypsum and halite. The salinity of both aquifers increases in the direction of flow. The water types are dominantly NaCl and $ Na_{2} $$ SO_{4} $ in the clastic aquifer and $ Na_{2} $$ SO_{4} $, $ CaSO_{4} $ and NaCl in the carbonate aquifer.
Hydrochemical investigation on the clastic and carbonate aquifers of Kuwait
Abstract. The field pH and contents of basic cations, anions, total alkalinity and other aqueous species have been measured in 89 groundwater samples collected from clastic sediments and carbonate aquifers of Kuwait. The mean molar ratio of $ Mg^{2+} $/$ Ca^{2+} $ is 0.63 and 0.48 for the carbonate and clastic aquifers respectively, indicating that the groundwater of the carbonate aquifer is in equilibrium with calcite and dolomite, the calculated mean $ PCO_{2} $ of the clastic and carbonate aquifers suggesting a deep closed environment system. The clastic aquifer is supersaturated with respect to calcite, aragonite, quartz and chalcedony, undersaturated to near-saturated with dolomite and undersaturated with respect to gypsum, anhydrite and halite, whereas the carbonate aquifer is supersaturated with respect to dolomite, calcite, aragonite and quartz but undersaturated with anhydrite, gypsum and halite. The salinity of both aquifers increases in the direction of flow. The water types are dominantly NaCl and $ Na_{2} $$ SO_{4} $ in the clastic aquifer and $ Na_{2} $$ SO_{4} $, $ CaSO_{4} $ and NaCl in the carbonate aquifer.
Hydrochemical investigation on the clastic and carbonate aquifers of Kuwait
Al-Ruwaih, F. (author)
2001
Article (Journal)
English
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