Field verification of bed-mounted ADV meters

McIntyre, N. and Marshall, M. (2008) Field verification of bed-mounted ADV meters. Proceedings of the Institution of Civil Engineers-Water Management, 161 4: 199-206. doi:10.1680/wama.2008.161.4.199

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Author McIntyre, N.
Marshall, M.
Title Field verification of bed-mounted ADV meters
Journal name Proceedings of the Institution of Civil Engineers-Water Management   Check publisher's open access policy
ISSN 1741-7589
1751-7729
Publication date 2008-08
Year available 2008
Sub-type Article (original research)
DOI 10.1680/wama.2008.161.4.199
Open Access Status File (Publisher version)
Volume 161
Issue 4
Start page 199
End page 206
Total pages 8
Place of publication London, United Kingdom
Publisher I C E Publishing
Collection year 2009
Language eng
Formatted abstract
The accuracy of continuous-signal acoustic Doppler velocity (ADV) meters for gauging stream flows is examined, using a case study of nine bed-mounted 'Starflow' meters currently installed at a range of sites in the Pontbren catchment, Wales. The accuracy of the ADV meters was tested, under a range of velocities and depths, by comparing flow estimates with those based on a standard method of measurement with an impeller meter. The accuracy of the ADV meters was found to be poor for very low flows. For higher flows, in five concrete-lined sections, accuracy was reasonable without calibration of the ADV meter (estimates were within 20% of the current-metered flow for 68% of samples) and accuracy was good after calibration (estimates were within 20% of the current-metered flow for 93% of samples). In one natural channel, the performance after calibration was similarly good, while performance was fair to poor for two other natural channels. The predictability of the calibration results, and the reasons for the poor performance, are discussed.
Keyword Field testing & monitoring
Hydrology and water resource
Management
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Non-UQ

Document type: Journal Article
Sub-type: Article (original research)
Collection: Centre for Water in the Minerals Industry
 
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