Arid
DOI10.1016/j.jafrearsci.2018.03.017
3D geological modeling for complex aquifer system conception and groundwater storage assessment: Case of Sisseb El Alem Nadhour Saouaf basin, northeastern Tunisia
Hamdi, Mohamed1,2; Zagrarni, Mohamed Faouzi2; Djamai, Najib3; Jerbi, Hamza4; Goita, Kalifa3; Tarhouni, Jamila4
通讯作者Hamdi, Mohamed
来源期刊JOURNAL OF AFRICAN EARTH SCIENCES
ISSN1464-343X
EISSN1879-1956
出版年2018
卷号143页码:178-186
英文摘要

With water table drop, managers got extremely concerned about the future of the groundwater resources sustainability of the Sisseb El Alem Nadhour Saouaf aquifer (SANS). In order to understand the groundwater flow dynamic and to assess the functioning of the aquifer system, a three-dimensional (3D) regional geological model of the SANS basin was carried on. The 3D geological model was developed by the combination of 2D seismic reflection profiles, calibrated by wireline logging data of oil wells, hydraulic wells and geological field sections. The 3D geological model shows that the Oligo-Neogene and Eocene aquifers in the study area represent important geometric variations and cumulated thickness affected by intensive fractures. The modeled stratigraphic units were combined with the hydraulic properties to estimate the groundwater storage. The estimated storage in 2016 was around 11 x 10(9) m(3) and in 1971, it was 16 x 10(9) m(3), so, 30% of the groundwater stored previously was consumed in 45 years. Yet, a variable spatial distribution of storativity was demonstrated, ranging from 1 to 3.4 x 10(6) m(3)/km(2). These results prove the importance of hydro-geophysical investigation and numerical modeling to depicting hydrostratigraphic trends and suggest, that the fate of groundwater resources in the SANS aquifer seems though to be more a matter of the disparity of the groundwater storage than a matter of quantity. (C) 2018 Elsevier Ltd. All rights reserved.


英文关键词3D geological model Geophysics Storativity SANS basin Arid region
类型Article
语种英语
国家Tunisia ; Canada
收录类别SCI-E
WOS记录号WOS:000442331500013
WOS关键词SEQUENCE STRATIGRAPHY ; SHALLOW AQUIFER ; DYNAMICS ; MIOCENE ; LEVEL
WOS类目Geosciences, Multidisciplinary
WOS研究方向Geology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/210389
作者单位1.Univ Carthage, Fac Sci Bizerte, Tunis, Tunisia;
2.Univ Gabes, Higher Inst Water Sci & Tech, UR Appl Hydrosci UR ES 81 13, Cite Erryadh 6072, Gabes, Tunisia;
3.Univ Sherbrooke, Ctr Res & Applicat Remote Sensing CARTEL, Sherbrooke, PQ, Canada;
4.Natl Agron Inst Tunisia, Tunis, Tunisia
推荐引用方式
GB/T 7714
Hamdi, Mohamed,Zagrarni, Mohamed Faouzi,Djamai, Najib,et al. 3D geological modeling for complex aquifer system conception and groundwater storage assessment: Case of Sisseb El Alem Nadhour Saouaf basin, northeastern Tunisia[J],2018,143:178-186.
APA Hamdi, Mohamed,Zagrarni, Mohamed Faouzi,Djamai, Najib,Jerbi, Hamza,Goita, Kalifa,&Tarhouni, Jamila.(2018).3D geological modeling for complex aquifer system conception and groundwater storage assessment: Case of Sisseb El Alem Nadhour Saouaf basin, northeastern Tunisia.JOURNAL OF AFRICAN EARTH SCIENCES,143,178-186.
MLA Hamdi, Mohamed,et al."3D geological modeling for complex aquifer system conception and groundwater storage assessment: Case of Sisseb El Alem Nadhour Saouaf basin, northeastern Tunisia".JOURNAL OF AFRICAN EARTH SCIENCES 143(2018):178-186.
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