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Prof. Neveen Badawy Abdel-Mageed Badawy :: Publications:

Title:
Subsurface Drainage Impact Assessment in Ibshan, Egypt
Authors: Neveen Badawy Abdel-mageed1 and Alaa Nabil El-Hazek
Year: 2013
Keywords: Subsurface drainage, crops yields, salinity, water table, DRAINMOD-S, Nile Delta
Journal: Journal of Environmental Science and Engineering B 2
Volume: 2
Issue: Not Available
Pages: 527-531
Publisher: DAVID PUBLISHING
Local/International: International
Paper Link: Not Available
Full paper Not Available
Supplementary materials Not Available
Abstract:

This paper aims to mitigate the impacts of subsurface drainage system in Ibshan, Egypt on the environment. For studying and analyzing these impacts, data are collected concerning before and after the installation of the subsurface drainage system. The environmental impacts are set to be crops yields, salinity, and water table depth. Concerning crops yields, five crops are identified to study the effect of the subsurface drainage system on their productivity. Regarding salinity, the saline areas are investigated pre and post the subsurface drainage system. For the water table depth, the ground water table depths are reviewed before and after the subsurface drainage system. Also, the DRAINMOD-S computer program is employed to determine the effect of the subsurface drainage system on the water table depth. It is concluded that the environmental impacts of the subsurface drainage system in Ibshan area are very good. The yields of five crops increased from 7% to 38%, 16.4% of saline areas are improved, and the ground water table depth is reduced by 10%. Also, an equation is obtained to predict the percentage decrease of ground water table depth according to the laterals spacing of the subsurface drainage system.

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