Groundwater chemistry and ionic ratios in a western coastal aquifer of Buan, Korea: implication for seawater intrusion

Lee, Jin Yong; Song, Sung‐Ho

doi:10.1007/bf02913939

Cited by 69 publications

(19 citation statements)

References 22 publications

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“…The latter includes environmental tracers, which indicate the source water and water-rock interactions. Good tracers are couples such as δ 2 H-δ 18 O (Bouchaou et al 2008), δ 18 O-Cl (Stuyfzand 1993), Cl-Br (Stuyfzand 1993, Alcalá and Custodio 2004, Cartwright et al 2006, de Montety et al 2008, Cl-SO 4 (Petelet-Giraud et al 2007), Cl-HCO 3 (Lee and Song 2007) and Ca-Sr (Brenot et al 2008), preferably in combination with major ions and less immobile trace elements such as B and Li to provide a full hydrochemical fingerprint.…”

Section: Hydrochemical System Analysismentioning

confidence: 98%

Separating baseline conditions from anthropogenic impacts: example of the Damour coastal aquifer (Lebanon)

Khadra

Stuijfzand

2014

Hydrological Sciences Journal

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A new structured approach is presented to derive groundwater baseline conditions, in this case for a dolomitic limestone aquifer suffering from salinization and other anthropogenic impacts. It builds on the HydroChemical System Analysis (HCSA) to map different groundwater bodies (hydrosomes) and hydrochemical zones within them, each of which show significant differences in baseline conditions. It also comprises a rigorous elimination scheme for samples affected by bias or pollution. The method is applied to the Damour coastal aquifer system, south of Beirut (Lebanon). Concentrations of Cl, Cl/Br, 2 H, 18 O and Ca/Sr were used to discern five hydrosomes and to determine mixing ratios. The dominant hydrochemical facies was (sub)oxic, calcareous and salinized, indicating a very low reduction capacity of the aquifer system, strong dissolution of dolomitic limestone and clear traces of seawater encroachment. The method proposed was capable of filtering out baseline conditions for 16 main constituents, 64 trace elements and two isotopes. Séparer conditions originelles et impacts anthropiques: l'exemple de l'aquifère côtier de Damour (Liban) Résumé Nous présentons une nouvelle approche structurée de détermination des conditions originelles des eaux souterraines, ici pour un aquifère calcaire dolomitique subissant une salinisation et d'autres impacts anthropiques. Il s'appuie sur l'Analyse de Système Hydrochimique pour cartographier différentes structures d'eaux souterraines (hydrosomes) et des zones hydrochimiques en leur sein, chacune d'elles montrant des différences importantes de ses conditions originelles. Il comprend également un système d'élimination rigoureuse des échantillons affectés par des biais ou par la pollution. La méthode a été appliquée au système aquifère côtier de Damour, au sud de Beyrouth (Liban). Cl, Cl/Br, 2 H, 18 O et Ca/Sr ont été utilisés pour identifier cinq hydrosomes et déterminer des coefficients de mélange. Le faciès hydrochimique dominant est suboxique, calcaire et salé, indiquant une très faible capacité de réduction du système aquifère, une forte dissolution du calcaire dolomitique et des traces évidentes d'intrusion d'eau de mer. La méthode proposée a été capable de retrouver les conditions originelles pour 16 constituants principaux, 64 éléments traces et deux isotopes.

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Section: Hydrochemical System Analysismentioning

confidence: 98%

Separating baseline conditions from anthropogenic impacts: example of the Damour coastal aquifer (Lebanon)

Khadra

Stuijfzand

2014

Hydrological Sciences Journal

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“…and Cl -content indicates seawater intrusion (Lee and Song 2007), even though it may be related to evaporitic levels or fossil marine water (Castillo Pérez and Morell Evangelista 1988). Besides, the halite content in marine aerosols may cause rain events with a water composition of the sodium chloride type.…”

Section: Ionic Compositionmentioning

confidence: 98%

Groundwater salinization in arid coastal wetlands: a study case from Playa Fracasso, Patagonia, Argentina

et al. 2014

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The origin of the high salinity in the groundwater of a coastal wetland in an arid climate was studied in the Playa Fracasso marsh, located on the northwest coast of the extra-Andean Patagonia. Research was carried out by means of the design of a network of soil pits and short piezometers in the marsh and the surrounding landforms. Continuous fluctuations of the water table, in situ physical and chemical properties, major ions (Ca 2? , Mg 2? , Na ? , K ? , Cl -, SO 4 2-, HCO 3 -) and stable isotopes ( 18 O and 2 H) in groundwater, as well as soil salinity, were measured. The combined analysis of the hydrodynamics, the ion ratios rCa 2? /rCl -and rMg 2? /rCa 2? vs. rCl -and the isotopic composition made it possible to recognize an area within the high marsh in which the origin of groundwater is mainly marine and another in which the contributions are of mixed origin. By means of the analysis of rCl -vs. d 18 O, a salinization process with no change in isotopic composition was identified. Its interpretation, together with those of the soil salinity profiles and the records of the fluctuations in electrical conductivity associated with extraordinary tides, was used to define a conceptual model of salinization which could be useful to understand other coastal wetlands under similar arid climatic conditions. It consists in a cyclical mechanism of evapotranspiration, precipitation, dissolution and transport of salts during tides.

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“…Multivariate statistics is used in this hydrogeochemical study to evaluate a large amount of data to determine patterns, tendencies and similarities between physicochemical parameters (Morell et al, 1996;Sanchez-Martos et al, 2001;Lee and Song, 2007;Nghia, 2008). The XLSTAT software was used for statistical assessments of the SFO hydrogeochemical data.…”

Section: Multiparameter Statistical Analysismentioning

confidence: 99%

Hydrogeochemistry of the formation waters in the San Francisco field, UMV basin, Colombia – A multivariate statistical approach

Cortes¹,

Muñoz²,

González³

et al. 2016

Journal of Hydrology

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Groundwater chemistry and ionic ratios in a western coastal aquifer of Buan, Korea: implication for seawater intrusion

Cited by 69 publications

References 22 publications

Separating baseline conditions from anthropogenic impacts: example of the Damour coastal aquifer (Lebanon)

Separating baseline conditions from anthropogenic impacts: example of the Damour coastal aquifer (Lebanon)

Groundwater salinization in arid coastal wetlands: a study case from Playa Fracasso, Patagonia, Argentina

Hydrogeochemistry of the formation waters in the San Francisco field, UMV basin, Colombia – A multivariate statistical approach

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