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Carreira, P. M.; Lobo de Pina, A.; Mota Gomes, A.; Marques, J.M.; Monteiro Santos, F. |
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Geochemical and Isotopic Marks for Tracing Groundwater Salinization: Santiago Island, Republic of Cape Verde, Case Study |
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2019 |
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Advances in Sustainable and Environmental Hydrology, Hydrogeology, Hydrochemistry and Water Resources |
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Verlag: Springer International Publishing |
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Drioli,E.; Macedonio, F. |
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en |
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en |
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Innovation in Process Engineering for Hydrology |
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THL @ christoph.kuells @ |
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188 |
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Author |
Sebben, M.L.; Werner, A.D.; Graf, T. |
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Title |
Seawater intrusion in fractured coastal aquifers: A preliminary numerical investigation using a fractured Henry problem |
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2015 |
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Advances in Water Resources |
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85 |
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93-108 |
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Despite that fractured coastal aquifers are widespread, the influence of fracture characteristics on seawater intrusion (SWI) has not been explored in previous studies. This research uses numerical modelling in a first step towards understanding the influence of fracture orientation, location and density on the extent of seawater and accompanying patterns of groundwater discharge in an idealised coastal aquifer. Specifically, aquifers containing single fractures or networks of regularly spaced fractures are studied using modified forms of the Henry SWI benchmark problem. The applicability of equivalent porous media (EPM) models for representing simple fracture networks in steady-state simulations of SWI is tested. The results indicate that the influence of fractures on SWI is likely to be mixed, ranging from enhancement to reduction in seawater extent and the width of the mixing zone. For the conceptual models considered here, vertical fractures in contact with the seawater wedge increase the width of the mixing zone, whereas vertical fractures inland of the wedge have minimal impact on the seawater distribution. Horizontal fractures in the lower part of the aquifer force the wedge seaward, whereas horizontal fractures located within the zone of freshwater discharge enhance the wedge. Inclined fractures roughly parallel to the seawater-freshwater interface increase the landward extent of seawater and fractures perpendicular to the interface inhibit the wedge. The results show that EPM models are likely inadequate for inferring salinity distributions in most of the fractured cases, although the EPM approach may be suitable for orthogonal fracture networks if fracture density is high and appropriate dispersivity values can be determined. |
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0309-1708 |
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THL @ christoph.kuells @ Sebben2015 |
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37 |
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Author |
Hooshmand, A.; Delghandi, M.; Izadi, A.; Aali, K.A. |
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Title |
Application of kriging and cokriging in spatial estimation of groundwater quality parameters |
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Journal Article |
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2011 |
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Afr. J. Agric. Res. |
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6 (14) |
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3402-3408 |
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1991-637x |
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CUT @ phaedon.kyriakidis @ Hooshmand2011 |
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133 |
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Arslan*, H. |
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Spatial and temporal mapping of groundwater salinity using ordinary krigingand indicator kriging: The case of Bafra Plain, Turkey |
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2012 |
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Agric. Water Manag. |
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113 |
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57-63 |
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CUT @ phaedon.kyriakidis @ Arslan2012 |
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135 |
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Author |
Deverel, S.J.; Fujii, R. |
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Title |
Chemistry of trace elements in soils and ground water |
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1990 |
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Agricultural salinity assessment and management |
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64-90 |
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American Society of Civil Engineers New York |
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THL @ luqianxue.zhang @ deverel1990chemistry |
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69 |
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