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Contribution of Geophysical Prospecting (1D) to Characterize a Precambrian Basement Aquifers Agadez Region (North, Niger)

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International Journal of Geosciences 2023年第11期14卷 1177-1191页

作者： illias alhassane Abdou Babaye Maman Sani Issa Malan S. Souleymane Department of Geology Faculty of Science and Techniques Agadez University Agadez Niger Department of Geology UMR SERMUG Faculty of Science and Techniques Dan Dicko Dankoulodo University Maradi Niger Department of Geology and Environment Faculty of Sciences and Techniques Zinder University Zinder Niger

In the A?r massif, and more particularly in the Iférouane area, the basement is flush. Thus, the essential of water resources is contained in the discontinuous aquifers of basement. Indeed, the weathered and cracked basement is an excellent reservoir of groundwater. The objective of this study is to determine the areas favorable to establishment of productive drilling in the village of Ebourkoum. A methodological approach based on the combination of remote sensing and geophysics methods was implemented. The fracturing map developed highlighted three main accidents of directions N0° - N10°, N30° - N50° and N130° - N140° in the said locality. The geophysical investigation mainly electrical prospecting has allowed to locate structures with high hydraulic potential below alluvium and alterites. Subsequently, drilling will be carried out in the areas retained.

关键词： Fractured Aquifers Electrical Prospecting Basement Remote Sensing Aïr Massif Niger

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Application of Spatial Techniques for the Identification of Discontinuous Aquifers of the Basement in Semi-Arid Environment: A Case of Bagzan Mount Plateau, Aïr Massif (North, Niger)

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Journal of Water Resource and Protection 2023年第11期15卷 581-596页

作者： illias alhassane Abdou Babaye Maman Sani Issa Malan S. Souleymane Ibrahim Wagani Department of Geology Faculty of Science and Techniques Agadez University Agadez Niger Department of Geology UMR SERMUG Faculty of Science and Techniques Dan Dicko Dankoulodo University Maradi Niger Department of Geology and Environment Faculty of Sciences and Techniques Zinder University Zinder Niger

Bagzan mount is located in the Aïr massifs region. This locality, which is constituted only by the granites and volcanic formations, knows the difficulty of water supply that depends on rainfall. This present study has the objective of fracture mapping that allowed to the fractured aquifer in Bagzan mount. The methodological approach used has a treatment of Digital Elevation Model (DEM imagery), hydrogeological and geological approach in the field. This process allowed us to map the lineaments and elaborate a fracturing map after the validation stage. The fracturing map showed that the fractures network is distributed in the N70°-N80°, N60°-N70°, N50°-N60°, and two secondary directions N90°-N100° and N120°-N140°. These fracturing maps allowed us to have precious information in groundwater research in Bagzan mount, due to their geological and hydrogeological complexity.

关键词： Fractured Aquifers Remote Sensing Basement Bagzan Niger

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Groundwater Quality Surroundings Mining Activities Areas in Arlit Region(Tim MersoïBasin,North Niger)

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Journal of Environmental Science and Engineering(B) 2023年第6期12卷 257-264页

作者： illias alhassane Abdou Babaye Maman Sani Issa MSalmanou Souleymane Wagani Ibrahim Department of Geology Faculty of Science and TechniquesAgadez UniversityAgadez 199Niger Department of Geology UMR SERMUGFaculty of Science and TechniquesDan Dicko Dankouloudou UniversityMaradi 465Niger Department of Geology and Environment Faculty of Sciences and TechniquesZinder UniversityZinder 656Niger

The study area is a semi-arid area located in the Arlit *** area contains significant uranium deposits that have been mined by two mining companies since *** objective of this study is to determine the impact of these activities on existing aquifers,in particular Izegouande aquifer.A methodological approach based on hydrochemical methods focusing on the analysis of nitrates and sulfates showed that waters of Izegouande aquifer have high nitrate concentrations ranging from 16 mg/L to 60 mg/L,higher than WHO(World Health Organization)standards drinking *** addition,these waters show elevated sulfate levels ranging from 16 mg/L to 57 mg/L,therefore *** high concentrations of nitrates and sulfates are located mainly near wastewater treatment of Arlit city and near industrial zone,which are potential areas for transfer of these elements such as nitrates and *** is therefore urgent to carry out periodic and regular checks on groundwater in these areas.

关键词： Groundwater quality mining impacts nitrates sulfates,Arlit,Niger

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