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- Title
Quantification of Groundwater - Saline Surface Water Interaction in a Small Coastal Plain in North-East Tunisia using Multivariate Statistical Analysis and Geophysical Method.
- Authors
Chekirbane, Anis; Maki Tsujimura; Lachaal, Fethi; Khadhar, Sarnia; Mlayah, Ammar; Kawachi, Atsushi; Hiroko Isoda; Tarhouni, Jamila; Benalaya, Abdallah
- Abstract
Amultivariate statistical analysis used with geophysical investigation enabled the assessment of interaction between saline surface water and groundwater in the coastal plain of Wadi A1 Ayn and Daroufa in CapBon peninsula, north-east Tunisia. The application of the Principal Component Analysis (PCA) identified the end members which contribute to groundwater recharge: the wastewater infiltrated from Wadi A1 Ayn, the oilfield brine infiltrated to the aquifer through the sandy bed of Wadi A1 Ayn, the intruded seawater near Wadi Daroufa in the downstream region and the fresh groundwater flowing from the upstream region. The contribution of wastewater in groundwater recharge varies from 1.4% in the upstream region of Wadi A1 Ayn to 77% near its downstream part. The fraction of oilfield brine mixed with groundwater in the alluvial aquifer under Wadi A1 Ayn varies from 1% to 13%; whereas the fraction of intruded seawater into the coastal part of the aquifer near Daroufa region varies from 2%o to 21%. Water Environ. Res., 88, 2292 (2016).
- Subjects
GROUNDWATER analysis; SALINE waters; COASTAL plains
- Publication
Water Environment Research (10614303), 2016, Vol 88, Issue 12, p2292
- ISSN
1061-4303
- Publication type
Article
- DOI
10.2175/106143016X14609975746163