Arid
DOI10.1007/s12665-020-8824-9
The use of numerical modeling to optimize the construction of lined sections for a regionally-significant irrigation canal in Egypt
Eltarabily, Mohamed Galal1,2; Moghazy, Hossam Eldin3; Abdel-Fattah, Sommer4; Negm, Abdelazim M.5
通讯作者Eltarabily, Mohamed Galal
来源期刊ENVIRONMENTAL EARTH SCIENCES
ISSN1866-6280
EISSN1866-6299
出版年2020
卷号79期号:3
英文摘要Seepage from unlined irrigation canals is a signi ficant source of groundwater recharge for shallow aquifers in many parts of the world, especially in arid and semi-arid regions such as Egypt. This is the case for Ismailia canal, the most important branch canal of the River Nile in Egypt, which suffers seepage losses along its entire length (129.5 km). Groundwater modeling was performed using MODFLOW to determine the effect of lining of four sections of the canal, with a total length of 61 km on the water balance of the underlying unconsolidated porous-medium aquifer and to optimize the locations of the lined sections. The model was developed using existing hydrogeological data from the area and was calibrated using water table data for the period 2004-2013. The simulation results indicated that the optimum locations of lined sections to minimize the seepage losses are located at distances along the canal from 19 to 45 kms, from 70 to 93 km and from 109 to 117 km from the head regulator at km (0.00) near Cairo. The minimum seepage losses, in that case, is equal to 7.3% of the canal total discharge. The modeling also indicated that seepage from the unlined canal provides about 3.5 million m(3)/day recharge to the underlying aquifer and these seepage losses represent about 21.6% of the canal total discharge. The optimum lining of the canal reduced the recharge to the aquifer by 65% (from 3,426,500 to 1,199,500 m(3)/day. The discharge from the model.domain (outward the boundaries) and the added recharge to the aquifer storage reduced by 50% from about 4.0 million m(3)/day to about 2.02 million m(3)/day between 2016 and 2021.
英文关键词Ismailia canal Seepage losses Geomembrane lining MODFLOW Quaternary aquifer Nile delta
类型Article
语种英语
国家Egypt ; USA ; Canada
收录类别SCI-E
WOS记录号WOS:000514870500002
WOS关键词EASTERN NILE DELTA ; SURFACE-WATER ; GROUNDWATER INTERACTIONS ; QUATERNARY AQUIFER ; CLIMATE-CHANGE ; RIVER ; MODFLOW ; DESIGN ; FLOW ; UNCERTAINTY
WOS类目Environmental Sciences ; Geosciences, Multidisciplinary ; Water Resources
WOS研究方向Environmental Sciences & Ecology ; Geology ; Water Resources
来源机构University of California, Berkeley
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/314419
作者单位1.Port Said Univ, Fac Engn, Civil Engn Dept, Port Said 42523, Egypt;
2.Univ Calif, Kearney Agr Res & Extens Ctr, Parlier, CA 93648 USA;
3.Alexandria Univ, Irrigat Engn & Hydraul Dept, Fac Engn, Alexandria 21527, Egypt;
4.McMaster Univ, Hamilton, ON, Canada;
5.Zagazig Univ, Fac Engn, Water & Water Struct Engn Dept, Zagazig 44519, Egypt
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GB/T 7714
Eltarabily, Mohamed Galal,Moghazy, Hossam Eldin,Abdel-Fattah, Sommer,et al. The use of numerical modeling to optimize the construction of lined sections for a regionally-significant irrigation canal in Egypt[J]. University of California, Berkeley,2020,79(3).
APA Eltarabily, Mohamed Galal,Moghazy, Hossam Eldin,Abdel-Fattah, Sommer,&Negm, Abdelazim M..(2020).The use of numerical modeling to optimize the construction of lined sections for a regionally-significant irrigation canal in Egypt.ENVIRONMENTAL EARTH SCIENCES,79(3).
MLA Eltarabily, Mohamed Galal,et al."The use of numerical modeling to optimize the construction of lined sections for a regionally-significant irrigation canal in Egypt".ENVIRONMENTAL EARTH SCIENCES 79.3(2020).
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