Hydrochemical and isotopes studies in a hypersaline wetland to define the hydrogeological conceptual model: Fuente de Piedra Lake (Malaga, Spain)

Montalván, F. Javier; Heredia, Javier; Ruiz, J. M.; Pardo‐Igúzquiza, Eulogio; Domingo, A. García de; Elorza, Francisco Javier

doi:10.1016/j.scitotenv.2016.10.048

Cited by 16 publications

(3 citation statements)

References 10 publications

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“…Mountain karst aquifers developed in carbonate materials are usually complex systems that may show a distinctive hydrochemical response depending on the physicochemical processes controlling the water-rock interactions. During the transit of groundwater (GW) from the recharge areas to the discharge zones, different hydrochemical processes may take place, including dissolution-precipitation reactions associated with carbonate materials [7,8], dissolution processes often associated with evaporite lithologies (e.g., gypsum, anhydrite, halite) [9,10], and even cation release/retention processes associated with shales [11]. The existence and role of these hydrochemical processes depend strongly on the geological settings of the mountain range hosting the aquifer, which are typically complex due to the orogenic processes driving the range uplift.…”

Section: Introductionmentioning

confidence: 99%

Identification of Natural and Anthropogenic Geochemical Processes Determining the Groundwater Quality in Port del Comte High Mountain Karst Aquifer (SE, Pyrenees)

Herms

Jódar

Soler

et al. 2021

Water

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The Port del Comte Massif (SE, Pyrenees) contains one of the most important vulnerable and strategic karst aquifers for supplying freshwater to the city of Barcelona (Spain). It is a fragile system, whose possible environmental impact is highly conditioned by land use. To improve the hydrogeological knowledge of the system, between September 2013 and October 2015, a detailed fieldwork was carried out for the revision of the geological model, the inventory of water points, and the in situ physico-chemical characterization on major elements and isotopes of up to a total of 43 springs, as well as precipitation water. This paper focuses on the characterization of the geochemical processes that allow explanation of the observed chemical variability of groundwater drained by the pristine aquifer system to determine the origin of salinity. The results show that the main process is the dissolution of calcite and dolomite, followed by gypsum and halite, and a minor cation exchange-like process. Sulfur and oxygen isotopes from dissolved sulfate in the studied springs point out a geogenic origin related to the dissolution of gypsum from Triassic and Tertiary materials, and that the contribution from anthropogenic sources, like fertilizers, is lower. Nitrate in groundwater is not an important issue, with a few localized cases related with agricultural activities. The multidisciplinary approach has allowed the development of a consistent hydrogeological conceptual model of the functioning of the aquifer system, which can be replicated in other places to understand the geogenic character of the hydrogeochemistry.

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Section: Introductionmentioning

confidence: 99%

Identification of Natural and Anthropogenic Geochemical Processes Determining the Groundwater Quality in Port del Comte High Mountain Karst Aquifer (SE, Pyrenees)

Herms

Jódar

Soler

et al. 2021

Water

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“…(v) 2005: Finally, the solution adopted 361 was the combined desalination of groundwater from a coastal aquifer 362 and the brackish water from the reservoir in the Atabal water treatment 363 plant, which is located 38 km SE from the Guadalhorce reservoir, in the 364 city of Malaga. Water treatment at this facility, which is equipped with 365 reverse osmosis technology, implied additional energy and economic 366 costs (Andreo et al, 2016;Montalván et al, 2017;Carrasco Cantos, 367 2018). The Víboras dam (19 hm 3 ) is located in the province of Jaén (see 370 Fig.…”

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confidence: 99%

Learning from hydrological and hydrogeological problems in civil engineering. Study of reservoirs in Andalusia, Spain

Ruiz-Ortiz

García-López

Vélez-Nicolás

et al. 2021

Engineering Geology

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“…In some groundwater flow systems, groundwater in recharge areas is more enriched in stable isotopes while in downstream areas, it tends to be more depleted in stable isotopes (Rozanski, 1985;IAEA, 2008;Dhaoui et al, 2016;Sánchez-Murillo et al, 2017). Stable isotopes can help identify groundwater recharge zones (Montalvan et al, 2017). Hence, stable isotopes have been used in this study to evaluate the groundwater flow pattern of the Turonian-Coniacian aquifer derived from piezometric surveys.…”

Section: Groundwater Flow Evaluation Using Stable Isotopesmentioning

confidence: 99%

Flow characterization and modelling of a South Benin artesian aquifer system : Effects of hydraulic and storage properties and recharge on simulated heads across the artesian zone

Kpegli¹

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General introduction 9General introduction 11 artesian domain? Hence, the third objective (set of objectives) of this thesis is to investigate the future trends of the heads across the artesian zone considering climate change and increasing water demand, to assess which areas of an artesian basin would be more affected by head instability and to assess the sensitivity of hydraulic and storage properties and recharge on simulated heads in the artesian zone.Development of a conceptual groundwater flow model using a combined hydrogeological, hydrochemical and isotopic approach: a case study from southern Benin 132. Development of a conceptual groundwater flow model using a combined hydrogeological, hydrochemical and isotopic approach: a case study from southern BeninStudy region: The Turonian-Coniacian aquifer system in the North of the Coastal

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Hydrochemical and isotopes studies in a hypersaline wetland to define the hydrogeological conceptual model: Fuente de Piedra Lake (Malaga, Spain)

Cited by 16 publications

References 10 publications

Identification of Natural and Anthropogenic Geochemical Processes Determining the Groundwater Quality in Port del Comte High Mountain Karst Aquifer (SE, Pyrenees)

Identification of Natural and Anthropogenic Geochemical Processes Determining the Groundwater Quality in Port del Comte High Mountain Karst Aquifer (SE, Pyrenees)

Learning from hydrological and hydrogeological problems in civil engineering. Study of reservoirs in Andalusia, Spain

Flow characterization and modelling of a South Benin artesian aquifer system : Effects of hydraulic and storage properties and recharge on simulated heads across the artesian zone

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