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- Title
HYDROGEOLOGICAL CHARACTERIZATION OF A FRACTURED BEDROCK AQUIFER IN THE OUGARTA CHAIN SOUTHWESTERN ALGERIA.
- Authors
T., MERZOUGUI; A., MEKKAOUI; C., REZZOUG; B., REMINI
- Abstract
The Ougarta Mountains, located in southwestern Algeria, correspond to an imposing geological entity that corresponds to the center of interest in the geology of the Saharan platform. It is a vast area of elongated NW-SE reliefs, covering an area of 400 x 200 km². The Cambro-Ordovician represents the largest aquifer in the Ougarta region. The cracked type is still poorly known; it is located on a cracked base, and is composed of quartzite sandstone and shale forming a multilayer system, the details of which still remain to be sought and constitute a perennial aquifer for the supply of drinking water for the population. The present study is an attempt to better comprehend the structure and functioning of these basement aquifers. It mainly focuses on the description of soil profiles, structural investigations, and hydrogeological characterization improving knowledge on the hydrodynamic functioning of fractured base reservoirs (geometry of aquifers, hydrodynamic parameters, recharge, resource availability) with a view to the installation of catchment works to optimize, secure and sustain its exploitation in view of its strategic importance for the water supply of this region of Beni Abbes. This contribution is based on field observations and the use of several methods. Various joint approaches have been implemented to locate and characterize aquifers, zones favorable to hydraulic catchments. These are geology, hydrodynamics, piezometry and hydrochemistry.
- Subjects
ALGERIA; HYDROGEOLOGY; BEDROCK; AQUIFERS; SOIL profiles; WATER supply; GEOLOGY; DRINKING water
- Publication
Larhyss Journal, 2022, Issue 50, p149
- ISSN
1112-3680
- Publication type
Article