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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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UQ_AV_152793.pdf
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Author version of article
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application/pdf
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2.57MB
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2133
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| Author
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Chanson, Hubert
Trevethan, Mark
Aoki, Shin-ichi
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| Title
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Acoustic Doppler Velocimetry (ADV) In Small Estuary : Field Experience And Signal Post-Processing
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| Journal name
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Flow Measurement and Instrumentation (ERA 2012 Listed) (ERA 2010 Rank C) Check publisher's open access policy
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| Publication date
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2008
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| Sub-type
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Article
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| DOI
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10.1016/j.flowmeasinst.2008.03.003
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| Volume number
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19
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| Issue number
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5
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| ISSN
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0955-5986
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| Start page
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307
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| End page
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313
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| Total pages
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7
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| Publisher
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Elsevier Ltd
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| Language
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eng
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| Abstract
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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.
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| Keyword
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Turbulence
sub-tropical estuary
acoustic Doppler velocimetry (ADV)
post-processing
despiking
velocity signal processing
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| References
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Bowden, K.F., and Ferguson, S.R. (1980). "Variations with Height of the Turbulence in a Tidally-Induced Bottom Boundary Layer." Marine Turbulence, J.C.J. Nihoul Ed., Elsevier, Amsterdam, The Netherlands, pp. 259-286. Chanson, H. (2004). "Environmental Hydraulics of Open Channel Flows." Elsevier Butterworth-Heinemann, Oxford, UK, 483 pages (ISBN 0 7506 6165 8). Chanson, H., Aoki, S., and Maruyama, M. (2000). "Unsteady Two-Dimensional Orifice Flow: an Experimental Study." Coastal/Ocean Engineering Report, No. COE00-1, Dept. of Architecture and Civil Eng., Toyohashi University of Technology, Japan, 29 pages. Chanson, H., Aoki, S., and Maruyama, M. (2002). "Unsteady Two-Dimensional Orifice Flow: a Large-Size Experimental Investigation." Jl of Hyd. Res., IAHR, Vol. 40, No. 1, pp. 63-71. Chanson, H. Brown, R., and Ferris, J. (2004). "Simultaneous Field Measurements of Turbulence and Water Quality in a Sub-Tropical Estuary in Australia." Proc. 15th Australasian Fluid Mech. Conf., AFMC, Sydney, Australia, M. Behnia, W. LIN & G.D. McBain Ed., Paper AFMC00016, 4 pages (CD-ROM). Chanson, H., Brown, R., Ferris, J., Ramsay, I., and Warburton, K. (2005). "Preliminary Measurements of Turbulence and Environmental Parameters in a Sub-Tropical Estuary of Eastern Australia." Environmental Fluid Mechanics, Vol. 5, No. 6, pp. 553-575. Chanson, H., Takeuchi, M., and Trevethan, M. (2008). "Using Turbidity and Acoustic Backscatter Intensity as Surrogate Measures of Suspended Sediment Concentration in a Small Sub-Tropical Estuary." Journal of Environmental Management, Vol. 86 (DOI: 10.1016/j.jenvman.2007.07.009) (ISSN 0301-4797). (In print) Chanson, H., Trevethan, M., and Koch, C. (2007). "Turbulence Measurements with Acoustic Doppler Velocimeters. Discussion." Journal of Hydraulic Engineering, ASCE, Vol. 133, No. 11, pp. 1283-1286 (DOI: 10.1061/(ASCE)0733-9429(2005)131:12(1062)). Ferris, J., Chanson, H., and Brown, R. (2004). "Mixing and Dispersion in Sub-Tropical Estuarine System: Field Works and Experience at Eprapah Creek (Australia)." Proc. 9th Intl Symp. on River Sedimentation ISRS04, Yichang, China, Oct. 18-21, Invited lecture, Tsinghua University Pres, Beijing, C. HU and Y. TAN Editors, Vol. 1, pp. 394-405 (ISBN 7 302 09684 8). (CD-ROM, 2004, Tsinghua University Press, 12 pages (ISBN 7 89494 565 X)) Fischer, H.B., List, E.J., Koh, R.C.Y., Imberger, J., and Brooks, N.H. (1979). "Mixing in Inland and Coastal Waters." Academic Press, New York, USA. Fugate, D.C., and Friedrichs, C.T. (2002). "Determining Concentration and Fall Velocity of Estuarine Particle Populations using ADV, OBS and LISST." Continental Shelf Research, Vol. 22, pp. 1867-1886. Goring, D.G., and Nikora, V.I. (2002). "Despiking Acoustic Doppler Velocimeter Data." Jl of Hyd. Engrg., ASCE, Vol. 128, No. 1, pp. 117-126. Discussion: Vol. 129, No. 6, pp. 484-489. Ippen, A.T. (1966). "Estuary and Coastal Hydrodynamics." McGraw-Hill, New York, USA. Kawanisi, K., and Yokosi, S. (1997). "Characteristics of Suspended Sediment and Turbulence in a Tidal Boundary Layer." Continental Shelf Research, Vol. 17, No. 8, pp. 859-875. Lemmin, U., and Lhermitte, R. (1999). "ADV Measurements of Turbulence: can we Improve their Interpretation ? Discussion." Jl of Hyd. Engrg., ASCE, Vol. 125, No. 6, pp. 987-988. McLelland, S.J., and Nicholas, A.P. (2000). "A New Method for Evaluating Errors in High-Frequency ADV Measurements." Hydrological Processes, Vol. 14, pp. 351-366. Nikora, V.I., and Goring, D.G. (1998). "ADV Measurements of Turbulence: can we Improve their Interpretation ?" Jl of Hyd. Engrg., ASCE, Vol. 124, No. 6, pp. 630-634. Nikora, V., and Goring, D. (2002). "Fluctuations of Suspended Sediment Concentration and Turbulent Sediment Fluxes in an Open-Channel Flow." Jl of Hydr. Engrg., ASCE, Vol. 128, No. 2, pp. 214-224. Trevethan, M., Chanson, H., and Takeuchi, M. (2007). "Continuous High-Frequency Turbulence and Sediment Concentration Measurements in an Upper Estuary." Estuarine Coastal and Shelf Science, Vol. 73, No. 1-2, pp. 341-350 (DOI:10.1016/j.ecss.2007.01.014). Voulgaris, G., and Trowbridge, J.H. (1998). "Evaluation of the Acoustic Doppler Velocimeter (ADV) for Turbulence Measurements." Jl Atmosph. and Oceanic Tech., Vol. 15, pp. 272-289. Voulgaris, G., and Meyers, S.T. (2004). "Temporal Variability of Hydrodynamics, Sediment Concentration and Sediment Settling in a Tidal Creek." Continental Shelf Research, Vol. 24, pp. 1659-1683. Wahl, T.L. (2003). "Despiking Acoustic Doppler Velocimeter Data. Discussion." Jl of Hyd. Engrg., ASCE, Vol. 129, No. 6, pp. 484-487.
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| Q-Index Code
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C1
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| Additional Notes
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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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