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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 |
Publication |
Environmental Geology |
Abbreviated Journal |
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54 |
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3 |
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491-503 |
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Keywords |
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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Kafri, U.; Goldman, M.; Lyakhovsky, V.; Scholl, C.; Helwig, S.; Tezkan, B. |
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Title |
The configuration of the fresh–saline groundwater interface within the regional Judea Group carbonate aquifer in northern Israel between the Mediterranean and the Dead Sea base levels as delineated by deep geoelectromagnetic soundings |
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Journal Article |
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Year |
2007 |
Publication |
Journal of Hydrology |
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344 |
Issue |
1 |
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123-134 |
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A combined high resolution short offset transient electromagnetic (SHOTEM) and deep sounding, long offset (LOTEM) survey has been carried out along two traverses between the Mediterranean Sea and the Jordan-Dead Sea Rift (DSR). The DSR is located in the study area some 200–250m below sea level. The measurements detected a deep conductor, the top of which exhibited a regular behavior along the both traverses, declining from the Mediterranean to the DSR base level. The geometry of this geoelectric boundary coincides fairly well with the configuration of a supposed fresh/saline groundwater interface as also obtained by both numerical and physical modeling for the known hydrogeological conditions in the study area. Therefore the detected geoelectric boundary is identified with the interface, supporting the hypothesis of current seawater intrusion into the deep regional aquifers between the Mediterranean and the DSR base levels. The intrusion causes the salination of fresh groundwater within the aquifers as well as the salination of the Sea of Galilee. |
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0022-1694 |
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THL @ christoph.kuells @ Kafri2007 |
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27 |
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Neal, C.; Neal, M.; Hughes, S.; Wickham, H.; Hill, L.; Harman, S. |
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Title |
Bromine and bromide in rainfall, cloud, stream and groundwater in the Plynlimon area of mid-Wales |
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2007 |
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Hydrology and Earth System Sciences |
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11 |
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1 |
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301-312 |
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THL @ christoph.kuells @ hess-11-301-2007 |
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92 |
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Author |
Webster*, R.; . Oliver, M.A. |
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Title |
Geostatistics for Environmental Scientists |
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2007 |
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Chichester ; Hoboken, NJ : Wiley |
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Statistics in practice. |
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978-0-470-51726-0 |
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CUT @ phaedon.kyriakidis @ Webster2007 |
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166 |
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Wen, H.; Carignan, J. |
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Title |
Reviews on atmospheric selenium: emissions, speciation and fate |
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2007 |
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Atmospheric environment |
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41 |
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34 |
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7151-7165 |
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Elsevier |
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THL @ luqianxue.zhang @ wen2007reviews |
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97 |
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