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You are here: Home » Online First » Volume 13, 2018 - Number 2 » HYDRO-GEOCHEMICAL AND STATISTICAL CHARACTERIZATION OF GROUNDWATER IN THE SOUTH OF KHENCHELA, EL MEITA AREA (NORTHEASTERN ALGERIA), Carpathian Journal of Earth and Environmental Sciences, August 2018, Vol. 13, No. 2, p. 333 - 342; DOI:10.26471/cjees/2018/013/029


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Abdenour SEDRATI1,2, Belgacem HOUHA1, Gheorghe ROMANESCU2* & Cristian Constantin STOLERIU2
1University of Khenchela – Post Box 1252, Road of Batna - Khenchela 40004, Algeria
2Alexandru Ioan Cuza University of Iasi, Faculty of Geography and Geology, 22 Carol I Blvd, 700506, Iasi, Romania
*Corresponding author: romanescugheorghe@gmail.com


HYDRO-GEOCHEMICAL AND STATISTICAL CHARACTERIZATION OF GROUNDWATER IN THE SOUTH OF KHENCHELA, EL MEITA AREA (NORTHEASTERN ALGERIA), Carpathian Journal of Earth and Environmental Sciences, August 2018, Vol. 13, No. 2, p. 333 - 342; DOI:10.26471/cjees/2018/013/029

Full text

Abstract:

The need of water is stringent in the arid regions, mostly in those belonging to North Africa. For this reason, numerous hydrogeological studies have been conducted in southern Algeria, which is under the influence of the Saharan climate. These studies have determined the hydro-chemical characteristics and the origin of the salinity belonging to the aquifer within the terminal complex of the El Meita region, situated in northeastern Algeria. The climate of the region is arid: precipitations of 164.7 mm/year and very high temperatures during the summer. The aspects emphasized on include the annual evolution of the piezometric surface, the chemical facies of the water, binary diagrams (chloride, base exchange index, saturation index, etc.). In the month of April 2016, 29 samples were collected. The water sheet is radially convergent and runoff manifests itself on the northeast – southwest direction. The major elements are dominated by chlorides and calcium sulphate. Water mineralization may have two causes: dolomitization and the dissolution of gypsum; ionic exchange of bases between the water and the solid frame of the aquifer. Saturation index demonstrates that carbonated minerals are oversaturated, while saliferous evaporite minerals are undersaturated. The Principal Component Analysis (PCA) shows a rich participation of several mineralization elements, mostly of calcium. Mineralization is also induced by the anthropic factor.



Keyword: aridity, terminal complex, hydrochemistry, salinity, statistics


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