GEO ELECTRICAL STUDY ON THE UPSTREAM AREA OF WADI QENA ESTERN DESERT EGYPT

Document Type : Novel Research Articles

Abstract

The study area is apart of the upstream area of  Wadi Qena, Eastern Desert. It is one of the largest promising areas for development in Upper Egypt. A new road was Upper Egypt to Red Sea, new road passing through the study area. This accelerates forms of development in the selected part of  WadiQena. The development focused on reclamation of new lands based on groundwater. The depth and thicknesses of the water- bearing formation clearly are not defined . Acrid widely applying of Vertical Electrical Sounding ‘‘VES’’ technique in camping  with the utilized excesting groundwater wells were applied to detect both depth and thickness of the water-bearing layers in study area . was applied to define the subsurface lithology to depth around 200m below the ground surface description the lithology of the study area and the depth of ground water and the water bearing formation, Thirteen Vertical Electrical Sounding ‘‘VES’’usinge schlumber ger array  with  AB/2 ranging from 1.5m to 600m and MN/2 from 0.5m to 90m  are reseanable for depth of uestuyatin till 200m in optimum cenditens the predominant subsurface litheolgy in the study area was defined from the drilled ground water wells . the litheolgy was used in calibrating the interpretation resalts of the measured VESꞌS based on the calibercition the water-bearing layer was cherateized by resistivity ranging from 40 Ω to 480 Ω this wide range of resistivity is depend on the areat lateral variation in water quality and litheolgic chorocter katuin of the  water-bearing formation. the depth to the water- bearing formation in the study area ranging from 18.8m to 127m below the ground level, however it thickness is ranging from 45m to 158m

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