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Evaluation of aquifer hydraulic properties from resistivity and pumping test data in parts of Gwagwalada,Northcentral Nigeria

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Journal of Groundwater Science and Engineering 2024年第3期12卷 309-320页

作者： ILUNGA Nyembwe AMADI Akobundu Nwanosike Gilbert NDATIMANA Nelson OKOT Raphal TSHIMANGA Muamba Department of Basic Sciences Faculty of OilGas and Renewable EnergiesUniversity of KinshasaDemocratic Republic of Congo Depalment of Geology School of Physical SciencesFederal Universily of TechnologyMinnaNigeria Congo Basin Water Resources Research Center(CRREBaC) University of Kinshasa(UNIKIN)KinshasaDemocratic Republic of the Congo Applied Hydrobiology Unit Department of Animal BiologyFederal University of TechnologyNiger StateMinna PMB 65920101Nigeria Center of Excellence in Bidiversity and Natural Resources Management University of RwandaP.O Box:512ButareHuyeRwanda Centre for Remote Sensing and GIS School of Natural Resources and Environmental StudiesUniversity of JubaSouth-Soudan Department of Natural Resources Management Faculty of Agricultural SciencesUniversity of Kinshasa(UNIKIN)KinshasaDemocratic Republic of the Congo

Population upsurge in Gwagwalada increased water demand in the area,thereby stressing water resources in the *** properties in parts of Gwagwalada in North-Central Nigeria were therefore investigated using resistivity and hydrogeological *** water level measurements of hand dug wells were used to determine the groundwater flow direction for the area which coincides with the North East-South West joint *** rate pumping test was adopted for the research and 10 boreholes were *** weathered/fractured basement range from 7.5 m to 56.7 *** transmissivity values in the area ranged from 0.35 m^(2)/d to 3.63 m^(2)/d while the hydraulic conductivity range from 0.045 m/d to 0.18 m/*** Vertical Electrical Soundings(VES)were carried out on the *** geoelectric sections revealed four to five layers and the longitudinal conductance varied from 0.11Ω^(-1)to 0.37Ω^(-1).The results of the investigation characterized the groundwater potential in the study area into low and moderate while the aquifer protective capacity into weak and moderate *** efficacy of resistivity and pumping test data in quantifying aquifer properties has been established in this *** findings of this study shed light on the properties of ground water and aquifer protective capacity in the area,hence assist in the effective future groundwater resources exploitation.

关键词： Transmissivity VES Dar Zarrouk Parameters Groundwater Potential aquifer protective capacity

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Integrated Geophysical and Hydrogeochemical Characterization and Assessment of Groundwater Studies in Adum West Area of Benue State,Nigeria

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Journal of Geological Research 2021年第3期3卷 14-27页

作者： Moses Oghenenyoreme Eyankware Christopher Ogwah Umayah Otitie Star Department of Geology Faculty of Science Ebonyi State UniversityAbakalikiNigeria Geomoses Consultancy Limited Warri Delta StateNigeria Department of Physics Faculty of Science Delta StateUniversityAbakalikiNigeria

Integration of geophysical and hydrogeochemical methods has been scientifically proven to be useful in vulnerability study and groundwater *** geoelectric parameters such as resistivity and thickness obtained from geophysical method(Vertical Electrical Sounding VES)was used to determine aquifers vulnerability,longitudinal resistance(ρL)and transverse unit resistance(Rt).Thirty four water samples were collected from groundwater sources for physicochemical *** results from longitudinal conductance(S),(Rt)and(ρL)showed that the values ranges from 0.03 to 2.5mhos,103.64 to 1964417.8Ω/m^(2) and 215.41 to 65731.68Ω-m *** from S suggested that 50%of groundwater is considered to be vulnerable to contamination from the earth surface,while the remaining 50%is considered to be slightly vulnerable to surface *** findings obtained from hydrogeochemical analysis such as Gibb’s and Chadba plots revealed that groundwater is highly influenced by rock water interaction,groundwater is classified to be Na^(+)+HCO_(3)^(-),Ca^(2+)+Mg^(2+)+HCO_(3)^(-),Na^(+)+Cl^(-)and Ca^(2+)+Mg^(2+)+Cl^(-)water *** from Soltan classification suggested that groundwater is classified to be of Na^(+)+HCO_(3)^(-) and Na^(+)-SO_(4)^(2-) water *** obtained from Ec and pH suggested that the values were below WHO permissible limit,while result obtained from TDS showed that at some sampling points TDS values were above WHO *** on pH value obtained groundwater within the study area fell within slightly basic to acidic.

关键词： Groundwater Resistivity Contamination aquifer protective capacity Nigeria

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