干旱区生态环境知识资源中心(Arid): An appraisal of natural fluorine contamination of paleogroundwater in Tozeur oases, southern Tunisia, with emphasis on the anthropogenic impact

Arid

DOI	10.1016/j.apgeochem.2020.104661
	An appraisal of natural fluorine contamination of paleogroundwater in Tozeur oases, southern Tunisia, with emphasis on the anthropogenic impact
	Tarki, Meriem; Enneili, Ali; Dassi, Lassaad
通讯作者	Tarki, M
来源期刊	APPLIED GEOCHEMISTRY
ISSN	0883-2927
EISSN	1872-9134
出版年	2020
卷号	120
英文摘要	In southern Tunisia, environmental threat related to fluorine contamination of the Complex Terminal (CT) main aquifer paleogroundwater in one of the most important and strongly vulnerable oases was assessed. Emphasis was placed to hydrogeological and hydrochemical processes controlling the occurrence and the transfer of fluorine to paleogroundwater. It has been demonstrated that the fluorine is released from the Carbonate fluorapatite (CFA) deposit underlying the contaminated aquifer. The liberation of F- is ensured by its exchange with hydroxyl and/or by the CFA dissolution through the passage of hot waters ascending from the deep Continental Intercalaire (CI) aquifer. The transfer of F- rich waters to the CT aquifer is occurred mainly through deep faults, aquitard windows and through leakage behind casing. This transfer is due to the potentiometric contrast between the two superimposed aquifers, which is enhanced by anthropogenic processes i.e. the overpumping of the CT groundwater and the CI wellbore integrity failure.
英文关键词	Paleogroundwater Conceptual model Upward leakage F- release
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:000566439600001
WOS关键词	GAFSA-METLAOUI BASIN ; GROUNDWATER CONTAMINATION ; GEOCHEMICAL ASSESSMENT ; PHOSPHATIC SERIES ; DENTAL FLUOROSIS ; EVOLUTION ; CARBONATE ; AQUIFER ; QUALITY ; ORIGIN
WOS类目	Geochemistry & Geophysics
WOS研究方向	Geochemistry & Geophysics
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/326066
作者单位	[Tarki, Meriem; Dassi, Lassaad] Univ Carthage, Res Lab Sci & Environm Technol, ISET, Borj Cedria, Tunisia; [Enneili, Ali] Univ Sfax, Res Lab GEOGLOB, Dept Earth Sci, FSS, Sfax, Tunisia
推荐引用方式 GB/T 7714	Tarki, Meriem,Enneili, Ali,Dassi, Lassaad. An appraisal of natural fluorine contamination of paleogroundwater in Tozeur oases, southern Tunisia, with emphasis on the anthropogenic impact[J],2020,120.
APA	Tarki, Meriem,Enneili, Ali,&Dassi, Lassaad.(2020).An appraisal of natural fluorine contamination of paleogroundwater in Tozeur oases, southern Tunisia, with emphasis on the anthropogenic impact.APPLIED GEOCHEMISTRY,120.
MLA	Tarki, Meriem,et al."An appraisal of natural fluorine contamination of paleogroundwater in Tozeur oases, southern Tunisia, with emphasis on the anthropogenic impact".APPLIED GEOCHEMISTRY 120(2020).