Acoustic Doppler Velocimetry (ADV) In Small Estuary : Field Experience And Signal Post-Processing

Chanson, Hubert, Trevethan, Mark and Aoki, Shin-ichi (2008) Acoustic Doppler Velocimetry (ADV) In Small Estuary : Field Experience And Signal Post-Processing. Flow Measurement and Instrumentation, 19 5: 307-313.

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Author Chanson, Hubert
Trevethan, Mark
Aoki, Shin-ichi
Title Acoustic Doppler Velocimetry (ADV) In Small Estuary : Field Experience And Signal Post-Processing
Journal name Flow Measurement and Instrumentation   Check publisher's open access policy
ISSN 0955-5986
Publication date 2008
Sub-type Article (original research)
DOI 10.1016/j.flowmeasinst.2008.03.003
Volume 19
Issue 5
Start page 307
End page 313
Total pages 7
Publisher Elsevier Ltd
Language eng
Abstract Estuarine mixing and dispersion are unsteady turbulent processes. The present understanding of estuary turbulence remains limited because of limited suitable measurement techniques and a lack of long-duration high-frequency studies of turbulent properties. Herein turbulence data were recorded in a small estuary at high-frequency using acoustic Doppler velocimetry (ADV). The data sets were analysed, and the results demonstrated that acoustic Doppler velocimetry data cannot be used without suitable post-processing in unsteady estuary flows. Even classical "despiking" techniques are not simply applicable. A new ADV data post-processing technique is developed herein for turbulence analysis of estuarine flows, and it is tested for several field studies.
Keyword Turbulence
sub-tropical estuary
acoustic Doppler velocimetry (ADV)
post-processing
despiking
velocity signal processing
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Q-Index Code C1
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Additional Notes This is an author version of an article later published as CHANSON, H., TREVETHAN, M., and AOKI, S. (2008). "Acoustic Doppler Velocimetry (ADV) in Small Estuary : Field Experience and Signal Post-Processing." Flow Measurement and Instrumentation, Vol. 19, No. 5, pp. 307-313 (DOI: 10.1016/j.flowmeasinst.2008.03.003) (ISSN 0955-5986). Copyright 2008 Elsevier Ltd. All rights reserved. Single copies only may be downloaded and printed for a user's personal research and study.

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Sub-type: Article (original research)
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