Turbulent measurements in a small subtropical estuary with semi-diurnal tides

Trevethan, Mark, Chanson, Hubert and Brown, Richard (2008) Turbulent measurements in a small subtropical estuary with semi-diurnal tides. Journal of Hydraulic Engineering, 134 11: 1665-1670. doi:10.1061/ASCE0733-9429

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Author Trevethan, Mark
Chanson, Hubert
Brown, Richard
Title Turbulent measurements in a small subtropical estuary with semi-diurnal tides
Journal name Journal of Hydraulic Engineering   Check publisher's open access policy
ISSN 0733-9429
1943-7900
Publication date 2008
Year available 2008
Sub-type Article (original research)
DOI 10.1061/ASCE0733-9429
Open Access Status File (Author Post-print)
Volume 134
Issue 11
Start page 1665
End page 1670
Total pages 6
Place of publication USA
Publisher ASCE
Collection year 2008
Language eng
Subject 290000 Engineering and Technology
290800 Civil Engineering
290802 Water and Sanitary Engineering
291800 Interdisciplinary Engineering
291803 Turbulent Flows
299904 Engineering/Technology Instrumentation
299900 Other Engineering and Technology
Abstract Since predictions of scalar dispersion in small estuaries can rarely be predicted accurately, new field measurements were conducted continuously at relatively high frequency for up to 50 hours (per investigation) in a small subtropical estuary with semi-diurnal tides. The bulk flow parameters varied in time with periods comparable to tidal cycles and other large-scale processes. The turbulence properties depended upon the instantaneous local flow properties. They were little affected by the flow history, but their structure and temporal variability were influenced by a variety of parameters including the tidal conditions and bathymetry. A striking feature of the data sets was the large fluctuations in all turbulence characteristics during the tidal cycle, and basic differences between neap and spring tide turbulence.
Keyword Turbulence
Small subtropical estuary
Momentum mixing
Turbulent Reynolds stresses
Turbulent time scales
Acoustic Doppler velocimetry
Field measurements
Turbulent mixing
Mixing coefficient
Eprapah Creek
Q-Index Code C1
Q-Index Status Provisional Code
Additional Notes The full bibliographic details are : TREVETHAN, M., CHANSON, H., and BROWN, R. (2008). "Turbulent Measurements in a Small Subtropical Estuary with Semi-Diurnal Tides." Journal of Hydraulic Engineering, ASCE, Vol. 134, No. 11, pp. 1665-1670 (DOI: 10.1061/(ASCE)0733-9429(2008)134:11(1665)) (ISSN 0733-9429).

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Civil Engineering Publications
 
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Created: Tue, 28 Oct 2008, 23:12:09 EST by Hubert Chanson on behalf of School of Civil Engineering