Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/429
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Type: Journal article
Title: Relationships between the El-Nino southern oscillation and spate flows in southern Africa and Australia
Author: Whiting, J.
Lambert, M.
Metcalfe, A.
Adamson, P.
Franks, S.
Kuczera, G.
Citation: Hydrology and Earth System Sciences, 2004; 8(6):1118-1128
Publisher: European Geosciences Union
Issue Date: 2004
ISSN: 1027-5606
1607-7938
Statement of
Responsibility: 
J. P. Whiting, M. F. Lambert, A. V. Metcalfe, P. T. Adamson, S. W. Franks, and G. Kuczera
Abstract: The 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.
Keywords: arid zones; streamflow; spates; climate variability; ENSO; Interdecadal Pacific Oscillation; IPO
Description: © Author(s) 2004. This work is licensed under a Creative Commons License.
RMID: 0020041919
DOI: 10.5194/hess-8-1118-2004
Published version: http://www.hydrol-earth-syst-sci.net/8/1118/2004/hess-8-1118-2004.html
Appears in Collections:Applied Mathematics publications
Environment Institute publications

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