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Hussain*, M.S.; Javadi, A.A.; Asr, A.A.; Farmani, R. |
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Title |
A surrogate model for simulation-optimization of aquifer systems subjected to seawater intrusion |
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Journal Article |
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2015 |
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J. Hydrol. |
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523 |
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542-554 |
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CUT @ phaedon.kyriakidis @ hussain2015 |
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114 |
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Author |
El Mandour, A.; El Yaouti, F.; Fakir, Y.; Zarhloule, Y.; Benavente, J. |
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Title |
Evolution of groundwater salinity in the unconfined aquifer of Bou-Areg, Northeastern Mediterranean coast, Morocco |
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Journal Article |
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Year |
2007 |
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Environmental Geology |
Abbreviated Journal |
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54 |
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3 |
Pages |
491-503 |
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Unconfined aquifer, Groundwater salinity, Seawater intrusion, Nitrate pollution, Lagoon, Morocco Bou-Areg |
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Abstract |
The Bou-Areg plain in the Mediterranean coast at the North-eastern of Morocco is characterized by a semiarid climate. The aquifer consists of two sedimentary formations of Plio-quaternary age: the upper formation of fine silts and the lower one of coarse silts with sand and gravels. The aquifer is underlain by marly bedrock of Miocene age that dips toward the coastal lagoon of Bou-Areg. The
hydrodynamic characteristics vary between 10–4 and 10–3 m/s; and transmissivities range between 10–4 and 10–1 m2 /s. The general direction of flow is SW to NE, toward the lagoon. The aquifer is crossed by the river Selouane, which also ends in the lagoon. The groundwater is characterized by a high salinity that can reach 7.5 g/l. The highest values are observed in the upstream and in the downstream sectors of the aquifer. The temporal evolution of the physicochemical parameters depends on the climatic conditions and
piezometric variations. The analysis of the spatio-temporal distribution of the physico-chemical parameters suggests different sources of groundwater salinization: the seawater intrusion, the influence of marly gypsum-bearing terrains, and the influence of anthropogenic products as the agricultural fertilizers, which cause great nitrate concentrations that vary between 80 and 140 mg/l. |
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Springer |
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0943-0105 |
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THL @ luqianxue.zhang @ ElMandour2008 |
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44 |
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Bahir, M.; Ouhamdouch, S.; Carreira, P.M. |
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Title |
Geochemical and isotopic approach to decrypt the groundwater salinization origin of coastal aquifers from semi-arid areas (Essaouira basin, Western Morocco) |
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Journal Article |
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Year |
2018 |
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Environmental Earth Sciences |
Abbreviated Journal |
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77 |
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13 |
Pages |
485 |
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In arid and semi-arid areas, the groundwater is the main source of water supply and agricultural activity. Overexploitation of coastal aquifers and pollution vulnerability are among the main problems related to groundwater resources assessment and management in these zones. In fact, in the last decades, these resources have been threatened by a degradation of their quality and quantity that furthers natural and anthropic effects, such as climate change, seawater intrusion and overexploitation. However, the protection and management of these resources requires knowledge of the origin of their mineralization. In this study, the Essaouira basin is selected as a typical example. Stable isotopes (18O and 2H) together with geochemical data were used to identify the groundwater salinization origin in the coastal aquifers of the Essaouira basin. The results of both the approaches show that the groundwater mineralization is due to: (1) the dissolution of salt minerals, (2) the ion exchange phenomena, (3) seawater intrusion, and (4) sulphate reduction. Also, the recharge is supported by fast infiltration of oceanic precipitation without significant evaporation. |
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1866-6299 |
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THL @ christoph.kuells @ Bahir2018 |
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177 |
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Author |
Demirel, Z.; Güler, C. |
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Title |
Hydrogeochemical evolution of groundwater in a Mediterranean coastal aquifer, Mersin-Erdemli basin (Turkey) |
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Journal Article |
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2006 |
Publication |
Environmental geology |
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49 |
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3 |
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477-487 |
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In this study, hydrogeologic and hydrochemical information from the Mersin-Erdemli groundwater system were integrated and used to determine the main factors and mechanisms controlling the chemistry of groundwaters in the area and anthropogenic factors
presently affecting them. The PHREEQC geochemical modeling demonstrated that relatively few
phases are required to derive water chemistry in the area. In a broad sense, the reactions responsible for the hydrochemical evolution in the area fall into four categories: (1)
silicate weathering reactions; (2) dissolution of salts; (3) precipitation of calcite, amorphous silica and kaolinite; (4) ion exchange. As determined by multivariate statistical
analysis, anthropogenic factors show seasonality in the area where most contaminated waters related to fertilizer and fungicide applications that occur during early summer season. |
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THL @ luqianxue.zhang @ demirel2006hydrogeochemical |
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63 |
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Author |
Mihajlidi-Zelić, A.; Deršek-Timotić, I.; Relić, D.; Popović, A.; Đorđević, D. |
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Contribution of marine and continental aerosols to the content of major ions in the precipitation of the central Mediterranean |
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2006 |
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Science of the total environment |
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370 |
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2-3 |
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441-451 |
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Elsevier |
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0048-9697 |
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THL @ luqianxue.zhang @ Mihajlidi-Zelić2006 |
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60 |
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