Arid
DOI10.1134/S0097807815040053
Management of Groundwater Resources in Arid Areas Case Study: North Sinai, Egypt
Gad, M. I.1; Khalaf, S.2
通讯作者Gad, M. I.
来源期刊WATER RESOURCES
ISSN0097-8078
EISSN1608-344X
出版年2015
卷号42期号:4页码:535-552
英文摘要

The management of coastal aquifers requires careful planning of withdrawal strategies for control and remediation of saltwater intrusion. Over exploitation of groundwater in coastal aquifers may result in intrusion of saltwater. Prediction and control of future saltwater distribution in coastal aquifer may be possible by simulating the processes with utilizing mathematical models. The groundwater resources in North Sinai area are affected by salt water up-coming due to over-pumping phenomenon beside seawater intrusion. The objective of this study was to apply mathematical modeling techniques for water resource management in salt-affected ecosystems. The study area is located in the northern coastal zone of Sinai Peninsula of Egypt and covers about 1750 km(2). The methodological approach to simulate the groundwater flow is based on the mathematical modeling techniques with applying 3-D finite element software (FEFLOW model). Three management scenarios are applied to predict the drawdown of groundwater levels under different extraction rates and seawater intrusion phenomenon. In addition, the methodology of seawater intrusion study and calibration was based on applying two-dimensional finite element simulation (SWI) code. The results of ground-water flow simulation show optimum groundwater extractions 26 x 10(6) m(3)/year from the cultivated areas. Moreover, simulation results indicate that the seawater/freshwater interface will migrate, after 15 years, at the distance of 5.5 km landward from its initial position if the present groundwater production policy (19 x 10(6) m(3)/year) continues operating in the area. To conserve the Quaternary Aquifer in North Sinai coastal Area (QANSA) storage for longer time, it is recommended to reduce the number of the pumping wells (<300 wells) as well as the initial and running time (does not exceed 10 h), and to achieve the objective of implementing the developing policy without any increase (500 m(3)/day/well). It is highly recommended to carry out geophysical exploration study and to construct monitoring network to verify the results of the applied model.


英文关键词water resources management FEFLOW and SWI codes Egypt North Sinai
类型Article
语种英语
国家Egypt
收录类别SCI-E
WOS记录号WOS:000358946100013
WOS关键词SALT-WATER-INTRUSION ; COASTAL AQUIFERS ; SIMULATION ; CHINA ; FLOW
WOS类目Water Resources
WOS研究方向Water Resources
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/190754
作者单位1.Desert Res Ctr, Math Modeling Unit, Hydrol Div, Cairo, Egypt;
2.Mansoura Univ, Fac Engn, Irrigat & Hydraul Dept, Mansoura, Egypt
推荐引用方式
GB/T 7714
Gad, M. I.,Khalaf, S.. Management of Groundwater Resources in Arid Areas Case Study: North Sinai, Egypt[J],2015,42(4):535-552.
APA Gad, M. I.,&Khalaf, S..(2015).Management of Groundwater Resources in Arid Areas Case Study: North Sinai, Egypt.WATER RESOURCES,42(4),535-552.
MLA Gad, M. I.,et al."Management of Groundwater Resources in Arid Areas Case Study: North Sinai, Egypt".WATER RESOURCES 42.4(2015):535-552.
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