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dc.contributor.authorAdame, Maria Fernanda
dc.contributor.authorFry, Brian
dc.contributor.authorBunn, Stuart E
dc.date.accessioned2017-12-15T03:27:37Z
dc.date.available2017-12-15T03:27:37Z
dc.date.issued2016
dc.identifier.issn0885-6087
dc.identifier.doi10.1002/hyp.10761
dc.identifier.urihttp://hdl.handle.net/10072/99088
dc.description.abstractFlooding associated with tropical storms can cause extreme perturbations in riverine and coastal ecosystems. Measuring isotope variability of tropical storm events can help investigate the impacts of flooding. We measured the water isotope composition (δD and δ18O) of rain and associated floodwater collected during two storms and subsequent major and minor flooding events in the subtropical coast of eastern Australia. Compared with baseline regional rainfall isotope values of −15.0 ± 1.9‰ for δD and −3.3 ± 0.2‰ for δ18O, floodwater had lower values with −33.8 ± 2.5‰ δD and −5.1 ± 0.4‰ δ18O for the major flood and −29.4 ± 1.0‰ δD and −4.6 ± 0.1‰ δ18O for the minor flood. The low isotope composition of the floodwater was associated with the transport of large quantities of suspended sediments, with sediment loads 30 to 70 times larger than during base flow conditions. Floods carried up to 35% of the annual phosphorus and up to 208% of the currently calculated average annual nitrogen load of the Brisbane River. The dramatic changes caused by a rapid increase in discharge from 2 to 2015 m3 s−1 over 2 days in the major flood would have major consequences in riverine and coastal ecosystems of the region. These changes could potentially be traced using the isotope composition of the floodwaters.
dc.description.peerreviewedYes
dc.languageEnglish
dc.publisherJohn Wiley & Sons
dc.relation.ispartofpagefrom1
dc.relation.ispartofpageto9
dc.relation.ispartofjournalHydrological Processes
dc.subject.fieldofresearchSurfacewater Hydrology
dc.subject.fieldofresearchPhysical Geography and Environmental Geoscience
dc.subject.fieldofresearchCivil Engineering
dc.subject.fieldofresearchEnvironmental Engineering
dc.subject.fieldofresearchcode040608
dc.subject.fieldofresearchcode0406
dc.subject.fieldofresearchcode0905
dc.subject.fieldofresearchcode0907
dc.titleWater isotope characteristics of a flood: Brisbane River, Australia
dc.typeJournal article
dc.type.descriptionC1 - Articles
dc.type.codeC - Journal Articles
dc.description.versionPost-print
gro.facultyGriffith Sciences, Griffith School of Environment
gro.rights.copyright© 2016 John Wiley & Sons, Ltd. This is the peer reviewed version of the following article: Water isotope characteristics of a flood: Brisbane River, Australia, Hydrological Processes, Volume 30, Issue 13, 30 June 2016, Pages 2033–2041, which has been published in final form at 10.1002/hyp.10761. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving (http://olabout.wiley.com/WileyCDA/Section/id-828039.html)
gro.hasfulltextFull Text
gro.griffith.authorBunn, Stuart E.
gro.griffith.authorFry, Brian D.
gro.griffith.authorAdame Vivanco, Fernanda


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