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)
velocity signal processing
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Q-Index Code C1
Q-Index Status Provisional Code
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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