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Author |
Bobba, A.G. |
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Title |
Mathematical models for saltwater intrusion in coastal aquifers |
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Journal Article |
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Year |
1993 |
Publication |
Water Resources Management |
Abbreviated Journal |
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7 |
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1 |
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3-37 |
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Flow of freshwater and saltwater intrusion in coastal aquifers has drawn the attention of many investigators. Several laboratory, as well as mathematical models have been developed to study the pattern of flow of groundwater in coastal aquifers. Mathematical models have wider range of application and are the concern of this paper. Due to the complex nature of the problem, each of these mathematical models are based on certain simplifying assumptions and approximations. This paper presents a critical review of various methods of solution which have been proposed. The validity of the results abtained and the limitations of these models are also discussed. |
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1573-1650 |
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Call Number |
THL @ christoph.kuells @ Bobba.1993 |
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14 |
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Author |
Lu, C.; Xin, P.; Kong, J.; Li, L.; Luo, J. |
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Title |
Analytical solutions of seawater intrusion in sloping confined and unconfined coastal aquifers |
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Journal Article |
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Year |
2016 |
Publication |
Water Resources Research |
Abbreviated Journal |
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52 |
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9 |
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6989-7004 |
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Keywords |
seawater intrusion, sloping coastal aquifer, analytical solution |
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Abstract Sloping coastal aquifers in reality are ubiquitous and well documented. Steady state sharp-interface analytical solutions for describing seawater intrusion in sloping confined and unconfined coastal aquifers are developed based on the Dupuit-Forchheimer approximation. Specifically, analytical solutions based on the constant-flux inland boundary condition are derived by solving the discharge equation for the interface zone with the continuity conditions of the head and flux applied at the interface between the freshwater zone and the interface zone. Analytical solutions for the constant-head inland boundary are then obtained by developing the relationship between the inland freshwater flux and hydraulic head and combining this relationship with the solutions of the constant-flux inland boundary. It is found that for the constant-flux inland boundary, the shape of the saltwater interface is independent of the geometry of the bottom confining layer for both aquifer types, despite that the geometry of the bottom confining layer determines the location of the interface tip. This is attributed to that the hydraulic head at the interface is identical to that of the coastal boundary, so the shape of the bed below the interface is irrelevant to the interface position. Moreover, developed analytical solutions with an empirical factor on the density factor are in good agreement with the results of variable-density flow numerical modeling. Analytical solutions developed in this study provide a powerful tool for assessment of seawater intrusion in sloping coastal aquifers as well as in coastal aquifers with a known freshwater flux but an arbitrary geometry of the bottom confining layer. |
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THL @ christoph.kuells @ Lu.etal.2016 |
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15 |
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Author |
Stoeckl, L.; Walther, M.; Morgan, L.K. |
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Title |
Physical and Numerical Modelling of Post-Pumping Seawater Intrusion |
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Journal Article |
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2019 |
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Geofluids |
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2019 |
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11 |
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THL @ christoph.kuells @ Stoeckl.2019 |
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16 |
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Kafri, U.; Goldman, M.; Lyakhovsky, V.; Scholl, C.; Helwig, S.; Tezkan, B. |
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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 |
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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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Karistineos, N.; Ioakim, C. |
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Palaeoenvironmental and palaeoclimatic evolution of the serres basin (N. Greece) during the miocene |
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Journal Article |
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Year |
1989 |
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Palaeogeography, Palaeoclimatology, Palaeoecology |
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70 |
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1-3 |
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275-285 |
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The palaeoenvironmental and palaeoclimatic evolution of the Serres basin from the end of mid-Miocene to the end of the Miocene is examined. Lignites were deposited over a thick sequence of conglomerates and sands. Fossils found in the lignites indicate a lacustrine environment with tropical-subtropical climatic conditions. The climate became progressively drier and only small lakes were reserved during the Messinian salinity crisis. Deposition of lake sediments finally ended with the world-wide Pliocene marine transgression. A correlation of the Serres basin with other lacustrine basins in the Aegean area is attempted. |
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Elsevier |
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0031-0182 |
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THL @ christoph.kuells @ Karistineos1989 |
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28 |
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