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Hammami Abidi, J.; Farhat, B.; Ben Mammou, A.; Oueslati, N. |
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Title |
Characterization of Recharge Mechanisms and Sources of Groundwater Salinization in Ras Jbel Coastal Aquifer (Northeast Tunisia) Using Hydrogeochemical Tools, Environmental Isotopes, GIS, and Statistics |
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2017 |
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Journal of Chemistry |
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2017 |
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8610894 |
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Groundwater is among the most available water resources in Tunisia; it is a vital natural resource in arid and semiarid regions. Located in north-eastern Tunisia, the Metline-Ras Jbel-Raf Raf aquifer is a mio-plio-quaternary shallow coastal aquifer, where groundwater is the most important source of water supply. The major ion hydrochemistry and environmental isotope composition δ18O, δ2H were investigated to identify the recharge sources and processes that affect the groundwater salinization. The combination of hydrogeochemical, isotopic, statistical, and GIS approaches demonstrates that the salinity and the groundwater composition are largely controlled by the water-rock interaction particularly the dissolution of evaporate minerals and the ion exchange process, the return flow of the irrigation water, agricultural fertilizers, and finally saltwater intrusion which started before 1980 and which is partially mitigated by the artificial recharge since 1993. As for the stable isotope signatures, results showed that groundwater samples lay on and around the local meteoric water line LMWL; hence, this arrangement signifies that the recharge of the Ras Jbel aquifer is ensured by recent recharge from Mediterranean air masses. |
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Hindawi KW |
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2090-9063 |
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THL @ christoph.kuells @ |
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189 |
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Varouchakis, E.A.; Theodoridou, P.G.; Karatzas, G.P. |
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Decision-making tool for groundwater level spatial distribution and risk assessment using geostatistics in R |
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2020 |
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J. Hazard. Toxic Radioact. Waste |
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24 (1) |
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04019031 |
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CUT @ phaedon.kyriakidis @ varouchakis2020 |
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106 |
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Kreynsa*, P.; Genga, X.; Michaela, H.A. |
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The influence of connected heterogeneity on groundwater flow and salinity distributions in coastal volcanic aquifers |
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Journal Article |
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2020 |
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J.Hydrol. |
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586 |
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124863 |
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CUT @ phaedon.kyriakidis @ Kreynsa2020 |
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138 |
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Gopinath, S.; Srinivasamoorthy, K.; Saravanan, K.; Prakash, R. |
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Tracing groundwater salinization using geochemical and isotopic signature in Southeastern coastal Tamilnadu, India |
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2019 |
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Chemosphere |
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236 |
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124305 |
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Coastal groundwater, Hydrochemistry, Isotopes, Thermodynamics, Statistical analysis |
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Attempt has been made to discriminate groundwater salinity causes along the east coast of India. A total of 122 groundwater samples (61/season) were collected for two diverse seasons (Pre Monsoon and Post Monsoon) and analyzed for physical and chemical components along with stable isotopes. The Piper diagram proposes samples along the coast predisposed by saltwater incursion. Ionic ratio plots recommend groundwater discriminatory by changing geochemical signatures. The statistical correlation suggests impact of saltwater incursion, anthropogenic and rock water interaction as sources for dissolved constituents in groundwater. The thermodynamic stability plot suggests higher silicate dissolution, weathering and ion exchange prompting water chemistry nevertheless of seasons. The δ 18O and δ 2H increases towards the sea suggesting enrichment attributed to the sea water influence and rainfall influences along the southwestern parts of the study area. |
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0045-6535 |
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THL @ christoph.kuells @ Gopinath2019124305 |
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176 |
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Zhaoyong*, Z.; Abuduwaili, J.; Yimit, H. |
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The occurrence, sources and spatial characteristics of soil salt and assessment of soil salinization risk in Yanqi Basin, Northwest China |
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2014 |
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PLoS ONE |
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9(9) |
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106079 |
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CUT @ phaedon.kyriakidis @ Zhaoyong2014 |
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121 |
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