Arid
DOI10.1007/s10661-019-7868-3
Sources and behavior of trace elements in groundwater in the South Eastern Desert, Egypt
Embaby, Ashraf; Redwan, Mostafa
通讯作者Redwan, Mostafa
来源期刊ENVIRONMENTAL MONITORING AND ASSESSMENT
ISSN0167-6369
EISSN1573-2959
出版年2019
卷号191期号:11
英文摘要Due to water scarcity, the groundwater will represent an essential source of water in many communities worldwide. This study was carried out to investigate the main hydrogeochemical characteristic of trace elements composition, their sources, and its vulnerability in groundwater to the human population. Fifteen groundwater samples were collected from boreholes and hand dug wells from the South Eastern Desert, Egypt, and analyzed for Al, As, B, Fe, Mn, Cd, Co, Cr, Cu, Hg, Ni, Pb, Rb, Sb, Sr, Th, U, V, and Zn using inductively coupled plasma mass spectrometry. Multivariate analyses were applied to identify the distribution and potential source of trace elements. The groundwater is tapped from the Miocene and the fractured basement rock aquifers. The mean concentrations of trace elements exceed the guideline values of all organizations, except in some wells for Zn, Cu, and Co. Cationic trace elements declined in the order of Mn > Fe > Zn > Al > V > Ni > Rb > Sr > U > Cu > Cr > Co > Cd > Pb > Th > Sb > Hg. Oxyanions As (mean 15.48 mg/L) and B (mean 1.24 mg/L) showed very high concentrations and higher than the average WHO concentrations in water suggesting potential adverse toxicity to all aquatic organisms. Five factor analyses indicated that different geochemical contributions are involved in the chemical characteristics of groundwater in the study area. Water-rock interaction and dissolution processes in bed rocks from different coastal Miocene deposits, meta-volcanics, basic-ultrabasic rocks, granitic and meta-sediments, seawater intrusion, residential wastes, and mining activities, in addition to the pH/Eh conditions, adsorption, and surface complexation during the chemical weathering are the main factors influence the trace elements distribution in groundwater. Results from this study for the six different groundwater aquifers are a unique insight into the sources and mobility of the observed trace elements in the groundwater and can be used in the assessment of contamination for drinking water wells. The association of trace elements from different aquifers might be useful in tracers studies of water-rock interaction. Due to the enrichment of trace elements in nearshore and crystalline groundwater aquifers in the study area and in similar areas worldwide, treatment technologies, and sustainable water management processes should be applied to prevent severe risks to the communities.
英文关键词Groundwater aquifers Trace element Multivariate analyses Geochemistry Treatment South Eastern Desert, Egypt
类型Article
语种英语
国家Egypt
收录类别SCI-E
WOS记录号WOS:000499199400005
WOS关键词HEAVY-METAL ; DRINKING-WATER ; HEALTH-RISK ; AREA ; GEOCHEMISTRY ; CONTAMINATION ; AQUIFER ; RUBIDIUM ; MERCURY ; QUALITY
WOS类目Environmental Sciences
WOS研究方向Environmental Sciences & Ecology
EI主题词2019-11-01
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/310532
作者单位Sohag Univ, Fac Sci, Geol Dept, Sohag 82524, Egypt
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GB/T 7714
Embaby, Ashraf,Redwan, Mostafa. Sources and behavior of trace elements in groundwater in the South Eastern Desert, Egypt[J],2019,191(11).
APA Embaby, Ashraf,&Redwan, Mostafa.(2019).Sources and behavior of trace elements in groundwater in the South Eastern Desert, Egypt.ENVIRONMENTAL MONITORING AND ASSESSMENT,191(11).
MLA Embaby, Ashraf,et al."Sources and behavior of trace elements in groundwater in the South Eastern Desert, Egypt".ENVIRONMENTAL MONITORING AND ASSESSMENT 191.11(2019).
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