Etude comparative entre deux sources d’eau Naturelle de la wilaya de Khenchela : Ain Al Karma & Ain Sfa
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Date
2012
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Université Abbes Laghrour -Khenchela-
Abstract
The Wilaya of Khenchela, East Algeria, is one of Wilayate which suffers from a high demand on the
water resources in their various localities, because of the importance of this living matter. The choice of
this subject consists in determining the physicochemical characteristics of the two sources strongly
attended by the population of the wilaya. The first is the source of Ain Al Karma, located at the
commune of Khenchela and the second source of Ain Sfa, located at the commune of Tamza. After some
visits of the study area, we carried out samplings to analyze. A climatic data gathering (temperatures,
precipitations, ETR, ETP, agricultural deficit, Surplus, Infiltration, and Rainout) are carried out to
determine the hydrous balance. A specific research is carried out to determine the various geological
formations of the zone comprising the two sources. The hydrochimy allowed a classification of water by
using diagrams for the classification of waters (Diagramms of Piper, Stabler, Schoeller-Berkaloff Wilcox
and Riverside). The interpretation of the various results and diagrams used was done by comparing
these results with WHO standards. Climatic configuration and geological formations affect on the quality
of the two sources which have a good quality for the human use (potability) and for the irrigation of the
arable lands.