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dc.contributor.authorMeredith, KT-
dc.contributor.authorHollins, SE-
dc.contributor.authorHughes, CE-
dc.contributor.authorCendón, DI-
dc.contributor.authorStone, DJM-
dc.identifier.citationMeredith, K., Hollins, S., Hughes, C., Cendón, D. I., Stone, D. (2013). The influence of groundwater/surface water exchange on stable water isotopic signatures along the Darling River, NSW, Australia. In: Ribeiro, L., Stigter, T.Y., Chambel, A., Condesso de Melo, M.T., Monteiro, J.P., Medeiros, A. (Eds.), Groundwater and Ecosystems (IAH - Selected Papers on Hydrogeology) CRC Press/Balkema, Leiden, The Netherlands, pp. 57-68.en_AU
dc.description.abstractStable water isotopes (SWIs) have been analysed in surface waters collected from the Barwon-Darling River over the past five years (2002 to 2007). Run-of-River sampling results were compared with temporal SWI data from three gauging stations located along the river. Darling River surface water samples are generally enriched in heavy isotopes due to evaporation. Partitioning of distinctly labelled isotopic waters such as enriched surface waters and depleted groundwaters allowed for the identification of groundwater/surface water exchange. Preliminary results showed that large flood events recharge the shallow aquifer with fresh-enriched waters and during low flow conditions, saline-deleted groundwaters rebound towards the river. Consequently, during drought periods saline groundwaters discharge into the river system. The flux of saline groundwaters into the surface water system was found to not only increase the salinity of scarce fresh water supplies but also create the desired environmental conditions for cyanobacteria blooms in the Darling River.en_AU
dc.publisherCRC Pressen_AU
dc.subjectStable isotopesen_AU
dc.subjectGround wateren_AU
dc.subjectSurface watersen_AU
dc.titleThe influence of groundwater/surface water exchange on stable isotopic signatures along the Darling River, NSW, Australiaen_AU
dc.typeBook chapteren_AU
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