期刊
WATER
卷 14, 期 7, 页码 -出版社
MDPI
DOI: 10.3390/w14071041
关键词
GWPZs; RS&GIS; multi-criteria evaluation; analytical hierarchical process; TDS; Egypt
资金
- Deanship of Scientific Research (DSR) at King Abdulaziz University Jeddah [G: 294-145-1442]
- DSR
Exploring alternative freshwater resources in Egypt is essential for population dispersion, and this study successfully located potential groundwater zones in the water-scarce desert using remote sensing and GIS techniques. The study identified areas with high and low aquifer recharge potentials and validated the correlation between Total Dissolved Solid concentrations and aquifer potentials.
Exploring alternative freshwater resources other than those surrounding the Nile is critical to disperse Egypt's population to other uninhabited desert areas. This study aims to locate groundwater potential zones (GWPZs) in the water-scarce desert between the Qina and Safga-Bir Queh regions to build groundwater wells, thereby attracting and supporting people's demand for water, food, and urban development. Multi-criteria evaluation (MCE) and analytical hierarchical process (AHP) techniques based on remote sensing (RS) and Geographic Information System (GIS) were used to map GWPZs. The outcome of the GWPZs map was divided into six different classes. High and very-high aquifer recharge potentials were localized in the middle and western parts, spanning 19.3% and 17% (16.4% and 15.7%) by MCE (AHP). Low and very low aquifer recharge potentials were distributed randomly in the eastern part over an area of 29% and 14.3% (26.9% and 6.1%) by MCE (AHP). Validation has been undertaken between the collected Total Dissolved Solid (TDS) and with the calculated GWPZs, indicating that the highest and lowest TDS concentrations of most aquifers are correlated with low to very low and high to very high aquifer potential, respectively. The study is promising and can be applied anywhere with similar setups for groundwater prospect and management.
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