Actualisation Et Étude Comparative De La Typologie Physico-chimique Des Eaux Des Aquifères De L'oued Righ (sud Algérien)
Résumé: The valley of Wadi Righ occupies a surface of 1874 km2, which represents 8 communes administratively and includes population of 200916 habitants. It is a unit of water resource located at Algerian south-east. It contains an important Ground water resource (CI, CT and Ph aquifers) The geological investigation enables the identification of the regional stratigraphy. The climate of the area is as the Saharan regions characterized by a high temperature and a weak rate of precipitation, of an important evaporation and an excessive solar radiation. These water from the three aquifers show a poor quality for irrigation due the poor physico-chemical regarding the algerian standards for drinking water. These water is therfore required a treatment before the use . Statistical results based mainly on univriante and multivariate statistics (PCA and FDA) allow defining the water typology of each aquifer. The FDA shows the discriminatory aspect of the water from the 3 aquifers from Oued Rig in respect of physico-chemical parameters
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