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Estimates of Reynolds stress in a highly energetic shelf sea

Souza, Alejandro; Howarth, Michael John. 2005 Estimates of Reynolds stress in a highly energetic shelf sea. Ocean Dynamics, 55 (5-6). 490-498. 10.1007/s10236-005-0012-7

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Abstract/Summary

In recent years the use of Acoustic Doppler Current Profilers (ADCPs) to estimate Reynolds stresses, using the so-called variance method, has become popular; and although there was great effort in studying the uncertainties on this technique, there were no reports in the main literature of its validity using independent measurements. This work reports on the comparison of ADCP and Acoustic Current Velocimeter (ADV) estimates of Reynolds stresses. The comparison of the ADCP and ADV is encouraging during periods when no strong waves were present with both the explained variance of 0.8 and the slope of the regression being 0.97. Nevertheless, when strong waves are present the method breaks down and the comparison between ADCP and ADV is very poor with R2 =0.04.

Item Type: Publication - Article
Digital Object Identifier (DOI): 10.1007/s10236-005-0012-7
Programmes: POL Programmes > Shallow coastal seas - function and impacts of change > Process experiments at small scale
POL Programmes
ISSN: 1616-7341
Additional Keywords: Turbulence Reynolds Stresses Variance method ADCP
NORA Subject Terms: Marine Sciences
Date made live: 18 Jul 2013 12:56 +0 (UTC)
URI: http://nora.nerc.ac.uk/id/eprint/502672

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