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Turbulent measurements in a small subtropical estuary with semidiurnal tides

Trevethan, Mark, Chanson, Hubert, & Brown, Richard J. (2008) Turbulent measurements in a small subtropical estuary with semidiurnal tides. Journal of Hydraulic Engineering, 134(11), pp. 1665-1670.

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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 h (per investigation) in a small subtropical estuary with semidiurnal 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.

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4 citations in Web of Science®

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ID Code: 46945
Item Type: Journal Article
Additional URLs:
Keywords: Turbulence, Estuaries, Reynolds stress, Measurement, Tidal currents
DOI: 10.1061/(ASCE)0733-9429(2008)134:11(1665)
ISSN: 0733-9429
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > CIVIL ENGINEERING (090500) > Civil Engineering not elsewhere classified (090599)
Divisions: Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Past > Schools > School of Engineering Systems
Copyright Owner: Copyright 2008 American Society of Civil Engineers
Deposited On: 10 Nov 2011 08:16
Last Modified: 01 Mar 2012 11:32

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