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Author (down) Hussain*, M.S.; Javadi, A.A.; Asr, A.A.; Farmani, R.
Title A surrogate model for simulation-optimization of aquifer systems subjected to seawater intrusion Type Journal Article
Year 2015 Publication J. Hydrol. Abbreviated Journal
Volume 523 Issue Pages 542-554
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Call Number CUT @ phaedon.kyriakidis @ hussain2015 Serial 114
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Author (down) Huang*, P.; Y.Chiu
Title A simulation-optimization model for seawater intrusion management at Pingtung Coastal Area, Taiwan Type Journal Article
Year 2018 Publication Water Abbreviated Journal
Volume 10 Issue Pages 251
Keywords seawater intrusion; SEAWAT; management model; artificial neural networks; differential evolution; Pingtung Plain; Taiwan
Abstract The coastal regions of Pingtung Plain in southern Taiwan rely on groundwater as their main source of fresh water for aquaculture, agriculture, domestic, and industrial sectors. The availability of fresh groundwater is threatened by unsustainable groundwater extraction and the over-pumpage leads to the serious problem of seawater intrusion. It is desired to find appropriate management strategies to control groundwater salinity and mitigate seawater intrusion. In this study, a simulation–optimization model has been presented to solve the problem of seawater intrusion along the coastal aquifers in Pingtung Plain and the objective is using injection well barriers and minimizing the total injection rate based on the pre-determined locations of injection barriers. The SEAWAT code is used to simulate the process of seawater intrusion and the surrogate model of artificial neural networks (ANNs) is used to approximate the seawater intrusion (SWI) numerical model to increase the computational efficiency during the optimization process. The heuristic optimization scheme of differential evolution (DE) algorithm is selected to identify the global optimal management solution. Two different management scenarios, one is the injection barriers located along the coast and the other is the injection barrier located at the inland, are considered and the optimized results show that the deployment of injection barriers at the inland is more effective to reduce total dissolved solids (TDS) concentrations and mitigate seawater intrusion than that along the coast. The computational time can be reduced by more than 98% when using ANNs to replace the numerical model and the DE algorithm has been confirmed as a robust optimization scheme to solve groundwater management problems. The proposed framework can identify the most reliable management strategies and provide a reference tool for decision making with regard to seawater intrusion remediation.
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Call Number CUT @ phaedon.kyriakidis @ Huang2018 Serial 141
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Author (down) Houben, G.
Title Annotated translation of “Die Wasserversorgung einiger Nordseebäder [The water supply of some North Sea spas]” by Alexander Herzberg (1901) Type Journal Article
Year 2018 Publication Hydrogeology Journal Abbreviated Journal
Volume 26 Issue 6 Pages 1789-1799
Keywords seawater intrusion, Ghijben-Herzberg
Abstract The publication “The water supply of some North Sea spas” by Alexander Herzberg in 1901 is a cornerstone of coastal groundwater research. It was fundamental to the development of the Ghijben-Herzberg principle, which describes the hydrostatic equilibrium between fresh and saline groundwater. Due to its age and the language barrier, the paper is often cited but probably rarely read. Therefore, the original paper has been translated from German into English, accompanied by an introduction and notes explaining the historical context.
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ISSN 1435-0157 ISBN Medium
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Call Number THL @ christoph.kuells @ Houben2018 Serial 88
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Author (down) Hooshmand, A.; Delghandi, M.; Izadi, A.; Aali, K.A.
Title Application of kriging and cokriging in spatial estimation of groundwater quality parameters Type Journal Article
Year 2011 Publication Afr. J. Agric. Res. Abbreviated Journal
Volume 6 (14) Issue Pages 3402-3408
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ISSN 1991-637x ISBN Medium
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Call Number CUT @ phaedon.kyriakidis @ Hooshmand2011 Serial 133
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Author (down) Herut, B.; Starinsky, A.; Katz, A.
Title Strontium in rainwater from Israel: sources, isotopes and chemistry Type Journal Article
Year 1993 Publication Earth and Planetary Science Letters Abbreviated Journal
Volume 120 Issue 1-2 Pages 77-84
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Abstract Eighteen ram samples from Israel have been analyzed for their chemical composmon and S7Sr/S6Sr ratios The Sr-Isotoplc rahos lie In the range 0 7078 and 0 7092, and the Sr concentrations vary from 1 × 10 -4 to 9 x 10 4 meq Sr/l.

Soluble salts in rainwater are inherited from three major natural sources, seaspray, Recent marine minerals and mineral dust eroded from rock outcrops and soft A mixing model is formulated to apply the chemical composmon of rain (CI and Sr 2+) and ~ts isotopic 87Sr/S6Sr ratio, for the identification and est~mahon of the Sr sources.

All the samples fall within the m~xing space predicted by the model for the three end members mentioned above The data indicate that the most important non-seaspray source contributing d~ssolved salts to the rams m Israel comprises a mixture of Senoman to Eocene chalk (and its weathering products) and Recent marine minerals, from local and imported sources.

Most of the samples (67%) contain 50% or more non-seaspray Sr 0 e, Sr dissolved from dust or Recent marine minerals), whereas 56% of the samples display 87Sr/86Sr ratios lower than 0 7090. The rest represent mixtures of seaspray and Recent marine minerals.
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Call Number THL @ luqianxue.zhang @ herut1993strontium Serial 95
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