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Author Egbi*, C.D.; Anornu, G.; Appiah‑Adjei, E.K.; Ganyaglo, S.Y.; Dampare, S.B.
Title Evaluation of water quality using hydrochemistry, stable isotopes, and water quality indices in the Lower Volta River Basin of Ghana Type Journal Article
Year 2019 Publication Environ. Dev. Sustain. Abbreviated Journal
Volume (up) 21 Issue Pages 3033-3063
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Call Number CUT @ phaedon.kyriakidis @ Egbi2018 Serial 124
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Author Bouzourra, H.; Bouhlila, R.; Elango, L.; Slama, F.; Ouslati, N.
Title Characterization of mechanisms and processes of groundwater salinization in irrigated coastal area using statistics, GIS, and hydrogeochemical investigations Type Journal Article
Year 2015 Publication Environmental Science and Pollution Research Abbreviated Journal
Volume (up) 22 Issue 4 Pages 2643-2660
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Call Number THL @ luqianxue.zhang @ bouzourra2015characterization Serial 78
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Author Han, D.; Currell, M.J.
Title Delineating multiple salinization processes in a coastal plain aquifer, northern China: hydrochemical and isotopic evidence Type Journal Article
Year 2018 Publication Hydrology and Earth System Sciences Abbreviated Journal
Volume (up) 22 Issue 6 Pages 3473-3491
Keywords Isotopes, China, multiple salinization
Abstract Groundwater is an important water resource for agricultural irrigation and urban and industrial utilization in the coastal regions of northern China. In the past 5 decades, coastal groundwater salinization in the Yang–Dai river plain has become increasingly serious under the influence of anthropogenic activities and climatic change. It is pivotal for the scientific management of coastal water resources to accurately understand groundwater salinization processes and their causative factors. Hydrochemical (major ion and trace element) and stable isotopic (δ18O and δ2H) analysis of different water bodies (surface water, groundwater, geothermal water and seawater) were conducted to improve understanding of groundwater salinization processes in the plain's Quaternary aquifer. Saltwater intrusion due to intensive groundwater pumping is a major process, either by vertical infiltration along riverbeds which convey saline surface water inland, and/or direct subsurface lateral inflow. Trends in salinity with depth indicate that the former may be more important than previously assumed. The proportion of seawater in groundwater is estimated to have reached up to 13 % in shallow groundwater of a local well field. End-member mixing calculations also indicate that the geothermal water with high total dissolved solids (up to 10.6 g L−1) with depleted stable isotope compositions and elevated strontium concentrations (> 10 mg L−1) also mixes locally with water in the overlying Quaternary aquifers. This is particularly evident in samples with elevated Sr ∕ Cl ratios (> 0.005 mass ratio). Deterioration of groundwater quality by salinization is also clearly exacerbated by anthropogenic pollution. Nitrate contamination via intrusion of heavily polluted marine water is evident locally (e.g., in the Zaoyuan well field); however, more widespread nitrate contamination due to other local sources such as fertilizers and/or domestic wastewater is evident on the basis of NO3 ∕ Cl ratios. This study provides an example of how multiple geochemical indicators can delineate different salinization processes and guide future water management practices in a densely populated water-stressed coastal region.
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Call Number THL @ christoph.kuells @ hess-22-3473-2018 Serial 81
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Author Karatas, B.S.; Camoglu, G.; Olgen, M.K.
Title Spatio-temporal trend analysis of the depth and salinity of the groundwater, using geostatistics integrated with GIS, of the Menemen Irrigation System, Western Turkey Type Journal Article
Year 2013 Publication Ekoloji Abbreviated Journal
Volume (up) 22 Issue 86 Pages 36-47
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Call Number CUT @ phaedon.kyriakidis @ Karatas2013 Serial 145
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Author Kisi, O.; Azamathulla, H.M.; Cevat, F.; Kulls, C.; Kuhdaragh, M.; Fuladipanah, M.
Title Enhancing river flow predictions: Comparative analysis of machine learning approaches in modeling stage-discharge relationship Type Journal Article
Year 2024 Publication Results in Engineering Abbreviated Journal
Volume (up) 22 Issue Pages 102017
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Call Number THL @ christoph.kuells @ kisi2024enhancing Serial 217
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