Relationships between the El-Nino southern oscillation and spate flows in southern Africa and Australia

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dc.contributor.authorWhiting, J.
dc.contributor.authorLambert, M.
dc.contributor.authorMetcalfe, A.
dc.contributor.authorAdamson, P.
dc.contributor.authorFranks, S.
dc.contributor.authorKuczera, G.
dc.date.issued2004
dc.description© Author(s) 2004. This work is licensed under a Creative Commons License.
dc.description.abstractThe flow records of arid zone rivers are characterised by a high degree of seasonal variability, being dominated by long periods of very low or zero flow. Discrete flow events in these rivers are influenced by aseasonal factors such as global climate forcings. The atmospheric circulations of the El-Niño Southern Oscillation (ENSO) have been shown to influence climate regimes across many parts of the world. Strong teleconnections between changing ENSO regimes and discharges are likely to be observed in highly variable arid zones. In this paper, the influence of ENSO mechanisms on the flow records of two arid zone rivers in each of Australia and Southern Africa are identified. ENSO signals, together with multi-decadal variability in their impact as identified through seasonal values of the Interdecadal Pacific Oscillation (IPO) index, are shown to influence both the rate of occurrence and the size of discrete flow episodes in these rivers.
dc.description.statementofresponsibilityJ. P. Whiting, M. F. Lambert, A. V. Metcalfe, P. T. Adamson, S. W. Franks, and G. Kuczera
dc.identifier.citationHydrology and Earth System Sciences, 2004; 8(6):1118-1128
dc.identifier.doi10.5194/hess-8-1118-2004
dc.identifier.issn1027-5606
dc.identifier.issn1607-7938
dc.identifier.orcidLambert, M. [0000-0001-8272-6697]
dc.identifier.orcidMetcalfe, A. [0000-0002-7680-3577]
dc.identifier.urihttp://hdl.handle.net/2440/429
dc.language.isoen
dc.publisherEuropean Geosciences Union
dc.source.urihttp://www.hydrol-earth-syst-sci.net/8/1118/2004/hess-8-1118-2004.html
dc.subjectarid zones
dc.subjectstreamflow
dc.subjectspates
dc.subjectclimate variability
dc.subjectENSO
dc.subjectInterdecadal Pacific Oscillation
dc.subjectIPO
dc.titleRelationships between the El-Nino southern oscillation and spate flows in southern Africa and Australia
dc.typeJournal article
pubs.publication-statusPublished

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