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   -> Volume 7, Issue 1


Preprint: Recently Published Wavelet Articles (Whitfield)
 
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"Whitfield,Paul [PYR]" (Paul.Whitfield@ec.gc.ca)
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PostPosted: Thu Dec 18, 1997 7:46 pm    
Subject: Preprint: Recently Published Wavelet Articles (Whitfield)
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#2 Preprint: Recently Published Wavelet Articles (Whitfield)

Dohan, K., and P.H. Whitfield. 1997. Identification and
Characterization of Water Quality Transients Using Wavelet Analysis.
I. Wavelet Analysis Methodology. Water Science and Technology
36:325-335

ABSTRACT - 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.

Whitfield, P. H., and K. Dohan. 1997. Identification and
Characterization of Water Quality Transients Using Wavelet Analysis.
II. Applications to Electronic Water Quality Data. Water Science and
Technology 36: 337-348

ABSTRACT - Two wavelet transform techniques for identifying water
quality transients are applied to example data sets from two small
streams. Temperature and conductance represent the range of properties
from periodic processes to transient events. Both methods were
successful in identifying the location, duration and magnitude of the
transient events in these data sets. The methods may be refined to
automate detection and classification of transient events.
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