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Deanship of Graduate Studies
Document Details
Document Type
:
Thesis
Document Title
:
ENVIRONMENTAL GROUNDWATER ASSESSMENT IN THE WADI KHULAYS BASIN,WESTERN PROVINCE, SAUDI ARABIA
التقيم البيئي للمياه الجوفية بحوض وادي خليص
Subject
:
Faculty of Earth Sciences - Geology Water
Document Language
:
Arabic
Abstract
:
The aim of the present study is to evaluate the environmental impact on the quality and quantity of the groundwater in two major sub-basins namely Murawani and Ghiran sub-basins of Wadi Khulays in the western part of Saudi Arabia. The present study indicated that several factors operated individually and/ or collectively on groundwater quality and quantity development. These factors were classified into the following (1) Chemical weathering of silicate minerals; (2) Dissolution and precipitation of evaporitic salts as a result of recycling of irrigation water and recharging by surface water runoff and recycling of irrigation water that carried evaporate salts which precipitated as calcite, dolomite and halite as the saturation indices indicate to be existed ; (3) Possible groundwater contaminant by sewage water within Wadi Ghiran sub-basin as observed from elevated nitrate concentrations as well as from the relationship between NO3 and Cl ; (4) Climatic changes that observed from the trend of rainfall amounts over the drainage basin area ; and (5) The nature of drainage pattern and morphometric characteristics of the two sub-basins since the wadi Ghiran is almost less tributaries and characterized by short main channels comparing to the Wadi Marawani sub-basin which is caused, the surface water leave the Wadi Ghiran fastly which almost decreases the amount of natural recharging from floods that generated in the wadi which considered the major source of recharging water of the alluvial aquifer existed. The chemical data, field measurements and saturation indices of evaporitic minerals were treated by using multivariate analysis (Factor analysis) to find out the major factors have affected groundwater chemistry.
Supervisor
:
Dr. Mahmoud Said Alyamani
Thesis Type
:
Master Thesis
Publishing Year
:
1434 AH
2013 AD
Added Date
:
Sunday, November 24, 2013
Researchers
Researcher Name (Arabic)
Researcher Name (English)
Researcher Type
Dr Grade
Email
وائل عبدالعزيز بردي
Bardi, Wail Abdulaziz
Researcher
Master
Files
File Name
Type
Description
36365.pdf
pdf
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