Arid
DOI10.3390/su14126962
Multivariate Statistical Analysis and Structural Sovereignty for Geochemical Assessment and Groundwater Prevalence in Bahariya Oasis, Western Desert, Egypt
Abd El-Wahed, Mohamed; El-Horiny, Mohamed M.; Ashmawy, Mahmoud; Kereem, Samar Abd El
通讯作者Abd El-Wahed, M ; El-Horiny, MM
来源期刊SUSTAINABILITY
EISSN2071-1050
出版年2022
卷号14期号:12
英文摘要The Bahariya Oasis is an example of an extremely hyperarid environment and it is characterized by an extensive nonrenewable Nubian Sandstone Aquifer System (NSAS), which is deemed the crucial provenance for agrarian and national development ventures. The present work aimed to assess the groundwater occurrences in the NSAS, and to document the main factors that control the geochemistry of the groundwater in the Bahariya Oasis. Groundwater samples were collected from 52 locations in April 2019 and were analyzed for a total of 13 water-quality physicochemical parameters. A diverse geological and structural setup has greatly impacted the groundwater flow pattern and has diverted it towards the NE by the great Bahariya anticline structure, the ENE-oriented Bahariya mid dextral strike-slip fault, and NE-striking normal faults, while NW-oriented normal faults cause the groundwater to diverge perpendicular to the groundwater flow lines. The groundwater is highly contaminated by trace metals (Fe2+ and Mn2+), which exceed the permissible limit for different purposes. Conventional graphical plots and geochemical modeling integrated with multivariate factor analysis (FA) revealed that the chemical composition of the groundwater is strongly affected by its interaction with the lithologies of the NSAS. The dissolution of aquifer host rocks (carbonates and iron oxides) and chloride salts through the infiltration of groundwater, and the incorporation of cations by the ionic exchange of Na+ by Ca2+ in clay minerals, emerged as worthy mechanisms for the groundwater development. Furthermore, the region's rapidly increasing population, agricultural expansion, and the associated anthropogenic practices have generated a need for groundwater-quality assurance as a prime source of the water supply. Consequently, reducing the effects of the NSAS's unsustainable extraction requires long-term monitoring and the ongoing evaluation of the groundwater.
英文关键词hydrochemistry structural control Nubian Sandstone Aquifer factor analysis geochemical modeling
类型Article
语种英语
开放获取类型gold
收录类别SCI-E ; SSCI
WOS记录号WOS:000816783500001
WOS关键词HYDROGEOCHEMICAL EVOLUTION ; HYDROCHEMICAL PROCESSES ; PENGYANG COUNTY ; WATER-QUALITY ; AQUIFER ; PLAIN ; IDENTIFICATION ; MECHANISMS ; PROVINCE ; EXAMPLE
WOS类目Green & Sustainable Science & Technology ; Environmental Sciences ; Environmental Studies
WOS研究方向Science & Technology - Other Topics ; Environmental Sciences & Ecology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/394596
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GB/T 7714
Abd El-Wahed, Mohamed,El-Horiny, Mohamed M.,Ashmawy, Mahmoud,et al. Multivariate Statistical Analysis and Structural Sovereignty for Geochemical Assessment and Groundwater Prevalence in Bahariya Oasis, Western Desert, Egypt[J],2022,14(12).
APA Abd El-Wahed, Mohamed,El-Horiny, Mohamed M.,Ashmawy, Mahmoud,&Kereem, Samar Abd El.(2022).Multivariate Statistical Analysis and Structural Sovereignty for Geochemical Assessment and Groundwater Prevalence in Bahariya Oasis, Western Desert, Egypt.SUSTAINABILITY,14(12).
MLA Abd El-Wahed, Mohamed,et al."Multivariate Statistical Analysis and Structural Sovereignty for Geochemical Assessment and Groundwater Prevalence in Bahariya Oasis, Western Desert, Egypt".SUSTAINABILITY 14.12(2022).
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