Irrigation bore water in the Condamine Catchment: baselining groundwater quality and assessing pathways of hydraulic connectivity

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dc.contributor.authorMartel, Len_AU
dc.contributor.authorCendón, DIen_AU
dc.contributor.authorHankin, SIen_AU
dc.contributor.authorIverach, CPen_AU
dc.contributor.authorKelly, BFJen_AU
dc.date.accessioned2020-06-12T06:51:14Zen_AU
dc.date.available2020-06-12T06:51:14Zen_AU
dc.date.issued2014-07-07en_AU
dc.date.statistics2020-05-15en_AU
dc.description.abstractThe expansion of coal seam gas production adjacent to the irrigation farming districts in the Condamine Catchment has raised concerns about the impact of gas production on groundwater in adjoining aquifer systems. To assess the risk, and to be able to detect any future changes in groundwater properties, existing groundwater chemistry data sets need to be updated and expanded. Historically, the testing of groundwater chemistry in the Condamine Catchment has focused on the Queensland Government groundwater-monitoring network, but it is unlikely that these samples come from the same sand and gravel bodies from which the irrigation bores extract groundwater. We report the result of 20 groundwater samples collected from bores that supply irrigation water for cotton and other crops. These samples were collected in January 2014 at the end of the pumping season, when the aquifer system is at peak stress for the year. We compare the major ion chemistry recorded in the irrigation bores to that measured at selected sites from the QLD government groundwater-monitoring network and with historical results reported in the literature. A hydrochemical facies analysis of these data provides one assessment of the likelihood of hydraulic connectivity between the Walloon Coal Measures, other bordering Great Artesian Basin formations and the valley filling sediments of the Condamine Alluvium. The results highlight variation in groundwater chemistry within the Condamine Alluvium, particularly in the Cecil Plains and Dalby regions, where there are signs of water mixing. As a result, further research into the area to explain the baseline data sets would provide a better understanding of hydraulic connectivity and the potential effects of CSG on the groundwater.en_AU
dc.identifier.citationMartel, L., Cendón, D. I., Hankin, S., Iverach, C., Kelly, B. F. J. (2014). Irrigation bore water in the Condamine Catchment: baselining groundwater qualitu and assessing pathways of hydraulic connectivity. Presentation to the Australian Earth Sciences Convention 2014 (AESC 2014), 22nd Geological Convention, Newcastle NSW, 7-10 July 2014, (pp. 280). Retrieved from: http://aesc2014.gsa.org.au/assets/Various-reg-partner-opp-workshop-summ-/AESC-Abstract-Proceedings.pdfen_AU
dc.identifier.conferenceenddate10 July 2014en_AU
dc.identifier.conferencenameAustralian Earth Sciences Convention 2014 (AESC 2014), 22nd Geological Conventionen_AU
dc.identifier.conferenceplaceNewcastle, New South Walesen_AU
dc.identifier.conferencestartdate7 July 2014en_AU
dc.identifier.govdoc9560en_AU
dc.identifier.issn0729 011 Xen_AU
dc.identifier.pagination280en_AU
dc.identifier.urihttp://aesc2014.gsa.org.au/assets/Various-reg-partner-opp-workshop-summ-/AESC-Abstract-Proceedings.pdfen_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/9643en_AU
dc.language.isoenen_AU
dc.publisherGeological Society of Australiaen_AU
dc.subjectIrrigationen_AU
dc.subjectFresh wateren_AU
dc.subjectWateren_AU
dc.subjectQueenslanden_AU
dc.subjectAustraliaen_AU
dc.subjectAgricultureen_AU
dc.subjectGround wateren_AU
dc.subjectCoal gasen_AU
dc.subjectAquifersen_AU
dc.subjectContaminationen_AU
dc.subjectPollutionen_AU
dc.subjectHazardsen_AU
dc.titleIrrigation bore water in the Condamine Catchment: baselining groundwater quality and assessing pathways of hydraulic connectivityen_AU
dc.typeConference Abstracten_AU
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