首页|Ground water quality and management in arid and semi-arid regions:Case study, Central Eastern Desert of Egypt
Ground water quality and management in arid and semi-arid regions:Case study, Central Eastern Desert of Egypt
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Elsevier
This study presents a model budget for groundwater in the Central Eastern Desert of Egypt. The stable isotopic composition and hydrochemistry of groundwater samples collected from different aquifers were determined to identify recharge sources and water quality. Stable isotopic values suggest that shallow alluvial and fracture zone aquifers are recharged from seasonal precipitation, while groundwater in dee-per sedimentary sub-basins is paleowater that was recharged during periods of less arid regional climate. Hydrochemical analysis indicates elevated salinity in each aquifer type, which is attributed to leaching and dissolution of terrestrial salts and to mixing with marine water. Groundwater from sedimentary sub-basin aquifers can be treated and used for drinking and domestic purposes. Groundwater from shal-low alluvial and fracture zone wells is suitable for animal husbandry and mineral ore dressing. A model water budget shows that approximately 4.8 x 109 m3 of recoverable groundwater is stored in sedimen-tary sub-basin aquifers, or approximately 550 years of water at present utilization rates.
groundwater qualitygroundwater managementarid and semi-arid regionsremote sensingGISegypt
Reda Amer、Robert Ripperdan、Tao Wang、John Encamacion
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Department of Earth & Atmospheric Sciences, Saint Louis, MO 63103, United States
NETL
NSTL
Elsevier
