Exploitation et salinité des aquifères de la Chaouia côtière, littoral atlantique, Maroc |
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Authors: | Y Fakir A Zerouali M Aboufirassi M Bouabdelli |
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Institution: | a Université Cadi Ayyad, Faculté des Sciences-Semlalia, Département de Géologie, BP 2390, Marrakech, Maroc;b Direction de la Recherche et de la Planification de l'Eau, DRPE, Rabat, Maroc |
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Abstract: | The coastal plain of Chaouia, located on the Atlantic shoreline of Morocco, has a semiarid climate and consists of two aquifers: schist in the northeast and carbonate in the southwest. These aquifers are affected by evaporation and by intensive pumping for irrigation and drinking water. The groundwater reserves are seriously affected and the salinity increased, especially near the ocean and in the Oum Er Rbia River. Therefore, for many wells, exploitation has ceased due to them being dried out or having high salinity. To determine the causes of the high salinity, 18O/16O isotopes were used to enable the identification of areas where groundwater is effected by the influence of ocean water. |
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