الفهرس 
IntroductionOnly 14 pages are availabe for public view
 |  | from | 178 |  |  |
| | | from | 178 | | |
Abstract
Wadi Qena is a prominent geomorphic feature in the central Eastern Desert of Egypt. It is one of the longest wadis in the Eastern Desert, Egypt. The present Thesis aims to study and evaluate the subsurface geology, structural setting and groundwater in Wadi Qena area and its tributaries. This aim was achieved by using the remote sensing, geophysical data (aeromagnetic and magneto telluric MT in addition to hydrochemical analysis of some of ground water samples. The results showed depth of the basement rocks, surface/subsurface faults, and fractures. The resistivity variations with depth and lithology in the Wadi Qena area was determined. And hence the groundwater aquifer and drainage system of the wadi is evaluated. Content of the thesis/ the dissertation is in (8) chapters as follow: Chapter one: Contains introduction about the study area, the research topics, and the objective of the study, the used data, methods, techniques, research tools, and schedule plan. In addition the previous studies are included. Chapter two: Discusses the general geomorphology, surface geology and stratigraphic sequence found in the studied area. Drainage analysis of the Wadi Qena drainage basin and statistical of the drainage system. Chapter three: Represents the basic concept and theory of the magnetic data acquisition, processing techniques of the aeromagnetic data and scheme of interpretation of the surveyed data. Such techniques include RTP, derivative, continuation, high cut filter analytical signal and tilt derivative, Euler deconvolution...etc. Chapter four: Contains the discussion and interpretation of all obtained and processed maps of the studied area. Determination of the deep and shallow structures that affecting area and location and dimension of the magnetic source bodies and the depth of basement and its magnetic susceptibility were determined. Also, six 2D inverted subsurface model cutting the wadi were conducted to show subsurface configuration. Chapter five: Represents the basic concepts and theory of the magnetotelluric data acquisition, processing techniques and scheme of interpretation of for numbed of surveyed sites in the area. The subsurface distribution of the resistivity, thickness and lithology of the subsurface layers were determined and presented to show the groundwater aquifer in the wadi. Chapter six: Discusses the hydrochemical analysis of the collected groundwater samples to evaluate its characteristics by determining the major anions and cations and pH of the water samples. The Piper, Durove and Stiff analysis were carried out to determine the type and quality of the water. Chapter seven: Outlines results and discussions by integrating and tying the surface and subsurface geology that controls Wadi Qena and its drainage system. Chapter eight: Outlines the summary of all parts of the Thesis and the important results followed by conclusions. Then reference and Arabic summary.