Your search found 4 records
1 Warner, J. W.; Gates, T. K.; Fahim, W.; Ibrahim, M.; Awad, M.; Ley, T. W. 1984. Hydraulic conductivity and vertical leakage in the clay-silt layer of the Nile alluvium in Egypt. Cairo, Egypt: Egypt Water Use and Management Project. ix, 88p. (EWUP technical report no.60)
(Location: IWMI-HQ Call no: 631.7.2 G232 WAR Record No: H0878)
Data were collected from three sites in Egypt's Nile Valley and Delta to determine saturated hydraulic conductivity in the clay-silt water table aquifer and vertical leakage to the underlying Nile River sands. Auger hole test results gave saturated horizontal hydraulic conductivities of 1103 mm/day for Abyuha in the Middle Nile Valley, 197 mm/day for Beni Magdul near Cairo, and 103 mm/day for Abu Raya in the northern Delta. Auger hole, permeameter, and consolidation tests resulted in saturated vertical hydraulic conductivities of 0.03 to 4.9 mm/day for Abyuha, 0.03 to 0.87 mm/day for Beni Magdul, and 0.03 to 0.45 mm/day for Abu Raya. Several methods were used to determine vertical leakage: Darcy's law, water table decline, water budget, pumping test, and analytical solution. Average vertical leakage rates were very low for each site: 0.59 mm/day in Abyuha, 0.64 mm/day in Beni Magdul and 0.47 mm/day in Abu Raya. These results indicate poor natural drainage characteristics in the clay-silt layer which contribute to the high water table conditions observed throughout Egypt.
2 Haider, M. I.; Sheng, T. S.; Tinsley, R. L.; Mohammed, R. A.; Warner, J. W.; Clyma, W.; Nayman, O. B. 1987. Pre-rehabilitation diagnostic study of Sehra Irrigation System, Sind Pakistan. Fort Collins, CO, USA: Colorado State University. iv, 40p. (WMS report 53)
Rehabilitation ; Water distribution ; Water requirements ; Investment ; Resource management ; Crop production ; Constraints / Pakistan
(Location: IWMI-HQ Call no: 631.7.8 G730 HAI Record No: H04017)
3 Faisal, I. M.; Young, R. A.; Warner, J. W.. 1997. Integrated economic-hydrologic modelling for groundwater basin management. International Journal of Water Resources Development, 13(1):21-34.
(Location: IWMI-HQ Call no: PER Record No: H020373)
4 Khazaei, E.; Mackay, R.; Warner, J. W.. 2004. The effects of urbanization on groundwater quantity and quality in the Zahedan Aquifer, Southeast Iran. Water International, 29(2):178-188.
Groundwater ; Aquifers ; Water quality ; Urbanization ; Water pollution ; Catchment areas / Iran / Zahedan Aquifer
(Location: IWMI-HQ Call no: PER Record No: H035579)
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