干旱区生态环境知识资源中心(Arid): Assessment of groundwater resources in Siwa Oasis, Western Desert, Egypt

Arid

DOI	10.1016/j.aej.2019.12.018
	Assessment of groundwater resources in Siwa Oasis, Western Desert, Egypt
	Moghazy, Noha H.1; Kaluarachchi, Jagath J.2
通讯作者	Moghazy, Noha H.
来源期刊	ALEXANDRIA ENGINEERING JOURNAL
ISSN	1110-0168
EISSN	2090-2670
出版年	2020
卷号	59 期号:1 页码:149-163
英文摘要	One of the major challenges facing Egypt is limited water resources associated with rapid increase in population. In 1960s, Egyptian government started to use groundwater from the Nubian Sandstone Aquifer System (NSAS) in the Western Desert to expand agricultural sector. Siwa Oasis is the focus of this study to assess the efficiency of groundwater use and corresponding impacts from 1980 to 2012. Results show that from 1980 to 1998, withdrawal from poorly designed wells increased rapidly causing an increase in excess water about 336%. The increase of excess water with the usage of poor drainage produced lakes. Remote Sensing showed in 2000, there were 21,348 acres of lakes with an increase of 89% since 1987 due to unmanaged withdrawal. After management intervention, excess water decreased about 94.7% from 1998 to 2012 causing a decrease in lakes area by 24%. Groundwater electrical conductivity (EC) increased from 4.5 to 10.5 ds/m in 1996 and 2013, respectively. Yields of olives and date palms decreased about 46% and 55%, respectively from 2000 to 2011 resulting in net revenue decrease of more than 60%. Results show that salinity has a strong negative correlation with yield and net revenue. Findings showed the importance of developing a meaningful groundwater resources management plan for Siwa region. (C) 2019 Faculty of Engineering, Alexandria University. Production and hosting by Elsevier B.V.
英文关键词	Nubian Sandstone Aquifer System Siwa Water use efficiency Remote sensing Salinity Groundwater management
类型	Article
语种	英语
国家	USA
开放获取类型	gold, Green Published
收录类别	SCI-E
WOS记录号	WOS:000515528300012
WOS关键词	WATER INDEX NDWI
WOS类目	Engineering, Multidisciplinary
WOS研究方向	Engineering
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/313997
作者单位	1.Utah State Univ, Dept Civil & Environm Engn, 4100 Old Main Hill, Logan, UT 84322 USA; 2.Utah State Univ, Coll Engn, 4100 Old Main Hill, Logan, UT 84322 USA
推荐引用方式 GB/T 7714	Moghazy, Noha H.,Kaluarachchi, Jagath J.. Assessment of groundwater resources in Siwa Oasis, Western Desert, Egypt[J],2020,59(1):149-163.
APA	Moghazy, Noha H.,&Kaluarachchi, Jagath J..(2020).Assessment of groundwater resources in Siwa Oasis, Western Desert, Egypt.ALEXANDRIA ENGINEERING JOURNAL,59(1),149-163.
MLA	Moghazy, Noha H.,et al."Assessment of groundwater resources in Siwa Oasis, Western Desert, Egypt".ALEXANDRIA ENGINEERING JOURNAL 59.1(2020):149-163.