Chemical and isotopic investigation of groundwater in Tahta region,Sohag-Egypt |
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| Authors: | M. A. Awad A.A. Nada M.S. Hamza K. Froehlich |
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| Affiliation: | (1) Siting and Environmental Department, National Center for Nuclear Safety and Radiation Control, Atomic Energy Authority, Nasr City - 19762, P.O. Box 7559, Cairo, Egypt;(2) Isotope Hydrology Section, IAEA, Vienna, Austria |
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| Abstract: | Chemical and isotopic investigations indicate that the recharge source for the groundwater in the Tahta district, adjacent to the Nile, is mainly from the Nile water seeping from irrigation channels. The water's chemical type is sodium bicarbonate, with values of oxygen-18 and deuterium close to that of Nile water. Another minor source of recharge to the far west of the Nile bank is palaeowater. This water's chemical type is sodium sulphate and sodium chloride. The change of water quality in some groundwater samples could be due to the extensive use of fertilizers to improve soil characteristics in new reclamation projects. In addition, these wells are slightly depleted in oxygen-18, deuterium and tritium. Recommendations for the periodic monitoring of groundwater quality for proper use are given. |
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| Keywords: | Groundwater isotope hydrology hydrochemistry water quality upper Egypt |
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