Geoelectrical contribution for delineation the groundwater potential and subsurface structures on Tushka Area, Egypt | ||
| NRIAG Journal of Astronomy and Geophysics | ||
| Volume 6, Issue 2, December 2017, Pages 379-394 PDF (10.66 M) | ||
| DOI: 10.1016/j.nrjag.2017.10.003 | ||
| Authors | ||
| A.M.S. Abd El-Gawad; Adel D.M. Kotb; Galal H.G. Hussien | ||
| Abstract | ||
| Tushka area represents the South East Western Desert, Egypt. its contain many drilled wells which have many problems during use, so the present study aims at identify the aquifer conditions and its relation with surface water and subsurface structure in addition to determine the aquifer thickness by using the basement relief from previous work, then assess the current situation of the drilled water wells. Geoelectrical data were measured, processed and interpreted in one, two and three dimensions using special Equipments and software. The interpretation results demonstrated that two types of groundwater aquifers (confined and unconfined) are present in the study area. The confined aquifer is located at the south of Khor Tushka and the unconfined aquifer is found in the north of Khor Tushka, where the last one is charged from Lake Nasser and Khor Tushka. The groundwater aquifers thicknesses are up to 440 m and the area is affected by normal faults of NW-SE and NE-SW trends. The study showed that there is no connection between the confined aquifer and the shallow overlaying aquifer. The confined aquifer is charged partially from the lake Nasser and Khor Tushka through specific areas under the capping layers of Nubian sandstone filled with hydrothermal solution and shale. | ||
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