Variability in subtropical Andean Argentinean Atuel river; a wavelet approach

A wavelet filter was employed for removing the strong annual wave in the Atuel river runoff data to analyze for other wavelength phenomena of interest and to examine the influence of the ENSO events. After this removal, the influence of ENSO signal in different frequency bands and indications of cli...

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Veröffentlicht in:	Environmetrics (London, Ont.) Ont.), 2000-05, Vol.11 (3), p.251-269
Hauptverfasser:	Compagnucci, Rosa H., Blanco, Susana A., Figliola, M. Alejandra, Jacovkis, Pablo M.
Format:	Artikel
Sprache:	eng
Schlagworte:	Argentina, Atuel R Atuel river climatic fluctuation Earth sciences Earth, ocean, space ENSO Exact sciences and technology Freshwater Hydrology Hydrology. Hydrogeology South America Water resources wavelet transform
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Zusammenfassung:	A wavelet filter was employed for removing the strong annual wave in the Atuel river runoff data to analyze for other wavelength phenomena of interest and to examine the influence of the ENSO events. After this removal, the influence of ENSO signal in different frequency bands and indications of climatic changes in bands larger than 10 years could be observed. Other significant phenomena were also observed. As the Andean Argentinean rivers in the Cuyo region have significant similarities, the conclusions about the Atuel river could be extended to other rivers in this region. Copyright © 2000 John Wiley & Sons, Ltd.
ISSN:	1180-4009 1099-095X
DOI:	10.1002/(SICI)1099-095X(200005/06)11:3<251::AID-ENV405>3.0.CO;2-0