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Document Details
Document Type
:
Article In Journal
Document Title
:
An Application of True Resistivity Contour Sections in Groundwater Exploration (A Case History)
تطبيق لقطاعات المقاومة الكهربائية الحقيقية في استكشاف المياه الجوفية ( حالة تاريخية )
Subject
:
Earth Sciences
Document Language
:
English
Abstract
:
A resistivity survey was conducted in the vicinity of EI Sadat City in the Western Desert of Egypt as a part of an exploration program for groundwater resources in this district. The survey consisted of 12 vertical electrical soundings (VES) distributed along three profiles. The Schlumberger probe configuration was used with a maximum electrode spacing of about 2 km and density of measurements of 7 per decade . The resistivity measurements of each sounding were subjected to automatic reduction and analysis using modern software of two methods which allow the calculation of a layering model as well as an n-laycrs model. Three subsurface true resistivity contour sections were constructed along the profiles using the nlayers models of the soundings located on each profile . Meanwhile, subsurface resistivity bar sections were also constructed along the same profiles using the layering models of the respective soundings . The subsurface true resistivity contour sections were successfully employed to obtain more precise interpretation of the corresponding subsurface geological layers and the water-bearing formation compared with that provided by the traditional bar sections. In addition, the contour sections provided valuable information about the lithological variations within the subsurface geological and hydrological units. In thb respect, it was pos sible to map a number of clay lenses as well as gravel rich zones in the discovered water bearing formations . The conclusions reached from this interpretation, were confirmed by the subsequent drilling, based on the present study . A heavy duty water well field was constructed in the investigated area to supply EI Sadat City with most of the present water needs for domestic uses (about 40,O(JO m/day).
ISSN
:
1012-8832
Journal Name
:
Earth Sciences Journal
Volume
:
6
Issue Number
:
1
Publishing Year
:
1413 AH
1993 AD
Number Of Pages
:
10
Article Type
:
Article
Added Date
:
Sunday, October 11, 2009
Researchers
Researcher Name (Arabic)
Researcher Name (English)
Researcher Type
Dr Grade
Email
حمدي س. صادق
HAMDY S. SADEK
Researcher
حسن م. عبدالهادي
HASSAN M. ABDELHADI
Researcher
صلاح الدين أ. سليمان
SALAHELDIN A. SOLIMAN
Researcher
Files
File Name
Type
Description
21537.pdf
pdf
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