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Scientific Publishing Center
Document Details
Document Type
:
Article In Journal
Document Title
:
Investigating the Groundwater Occurrence in Wadi Rahjan and Its Potential Contribution to Ain Zubaida Using Magnetic and Electric Methods, Makkah Al-Mukarramah, KSA
دراسة وجود المياه الجوفية في وادي رهجان ، وإحتمالية إسهامها في تغذية عين زبيدة باستخدام الطرق المغنطيسية والكهربائية ، منطقة مكة المكرمة ، المملكة العربية السعودية
Subject
:
Earth Sciences
Document Language
:
English
Abstract
:
Ground magnetic and DC resistivity surveys are implemented to explore groundwater in the northern part of Wadi Rahjan, Makkah Al-Mukarramah, Saudi Arabia. This part includes the downstream area of Wadi Rahjan which flows into Wadi Nu’man where Ain Zubida is located. A system of E-W dikes is shown on available geologic map, which is cutting across the surrounding metavolcanic rocks and Wadi Rahjan stream. This study aims to locating the extensions of these dikes/discontinuities that may control the groundwater flow and distribution along this important part of Wadi Rahjan. Ground magnetic survey is utilized along wadi Rahjan and the magnetic data are presented as contour map. Selected nine profiles are quantitatively analyzed using analytic signal analysis and horizontal gradient techniques. The present study reveals four discontinuities representing most probably dikes crossing the wadi. These dikes have great impact on the groundwater flow from upstream side to downstream side reaching wadi Nu’man where these dikes act as barriers for groundwater flow. Electrical resistivity sounding using Schlumberger array is used along the wadi to delineate the extent of saturation zones, depth to basement, and to clarify the possible occurrence of the groundwater accumulations. It can be used also to show the effect of dikes occurrence on the groundwater flow and its distribution along this part of the Wadi. The study was successful in locating the water saturated zone and in determining its extension along the downstream part at the south of a major dike that partially prevents the groundwater flow to wadi Nu’man.
ISSN
:
1012-8832
Journal Name
:
Earth Sciences Journal
Volume
:
18
Issue Number
:
1
Publishing Year
:
1428 AH
2007 AD
Number Of Pages
:
24
Article Type
:
Article
Added Date
:
Sunday, October 11, 2009
Researchers
Researcher Name (Arabic)
Researcher Name (English)
Researcher Type
Dr Grade
Email
منصور عبدالله القرني
Mansour Abdullah Al-Garni
Researcher
Files
File Name
Type
Description
21529.pdf
pdf
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