Identification and characterization of water quality transients using wavelet analysis. I. wavelet analysis methodology

The methodology used in the identification and characterization of transient water quality events using wavelet transforms is described. The use of wavelets in the analysis of transient events is a distinct improvement over the methods which have been used previously, as wavelets are better suited t...

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Bibliographic Details
Published in:Water science and technology 1997, Vol.36 (5), p.325-335
Main Authors: Dohan, Kathleen, Whitfield, Paul H.
Format: Article
Language:English
Subjects:
Analysis
Duration
Earth sciences
Earth, ocean, space
Exact sciences and technology
Freshwater
Hydrology. Hydrogeology
Identification
Identification methods
Marine
transient events
Water quality
Water resources
Wavelet analysis
Wavelet transform
Wavelet transforms
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Description
Summary:The methodology used in the identification and characterization of transient water quality events using wavelet transforms is described. The use of wavelets in the analysis of transient events is a distinct improvement over the methods which have been used previously, as wavelets are better suited to aperiodic processes than frequency decomposition. The methods presented here allow us to identify the location, duration and magnitude of a transient event in a water quality time series.
ISSN:0273-1223
1996-9732
DOI:10.1016/S0273-1223(97)00490-3