Investigating seawater intrusion in republic of South Africa’s heuningnes, Cape Agulhas using hydrogeochemistry and seawater fraction techniques

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dc.contributor.authorXaza, Abongile
dc.contributor.authorMapoma, Harold Wilson Tumwitike
dc.contributor.authorAbiye, Tamiru A
dc.date.accessioned2023-06-20T07:52:18Z
dc.date.available2023-06-20T07:52:18Z
dc.date.issued2023
dc.description.abstractThe Heuningnes Catchment in the Republic of South Africa was used as a case study in this research to describe the application of saltwater fraction/quantification and hydrogeochemistry methods to evaluate the extent of saline intrusion in the coastal aquifers. The argument of the research is that the presence of seawater incursion may be conclusively determined by combining the examination of the major ions, seawater fraction, stable isotopes of water, bromide, and geochemical modeling. Using stable isotopes of oxygen (18O) and deuterium (2H), major ions chemistry, seawater composition, and geochemical modeling, the genesis of salinity and mixing of different water masses were examined. Twenty-nine (29) samples of groundwater were examined. All samples showed water facies of the Na-Cl type, indicating a seawater-related origin. The significance of mixing in coastal aquifers under natural conditions was shown by the hydrogeochemical characteristics of key ions derived from ionic ratios, which demonstrated substantial adherence to mixing lines among endmembers for freshwater as well as saltwater (seawater).en_US
dc.identifier.citationXaza, A. et al. (2023). Investigating seawater intrusion in republic of South Africa’s heuningnes, Cape Agulhas using hydrogeochemistry and seawater fraction techniques. Water, 15(11), 2141. https://doi.org/10.3390/w15112141en_US
dc.identifier.issn2073-4441
dc.identifier.urihttps://doi.org/10.3390/w15112141
dc.identifier.urihttp://hdl.handle.net/10566/9123
dc.language.isoenen_US
dc.publisherMDPIen_US
dc.subjectHydrochemistryen_US
dc.subjectGroundwateren_US
dc.subjectSalinizationen_US
dc.subjectGeochemical modelingen_US
dc.subjectSouth Africaen_US
dc.titleInvestigating seawater intrusion in republic of South Africa’s heuningnes, Cape Agulhas using hydrogeochemistry and seawater fraction techniquesen_US
dc.typeArticleen_US

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