Improving the Understanding of Mooring Motion in Current Measurements Using High-resolution Diagnostic Records

Traditional moored current meters record velocities averaged over a period of several minutes to reduce variations due to sensor movement. Unfortunately these time-averaged records do not provide sufficient information required to understand mooring motions and interpret commonly observed velocity v...

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Bibliographic Details
Published in:	OCEANS 2006 pp. 1 - 3
Main Authors:	Polonichko, V., Sheremer, V.A.
Format:	Conference Proceeding Journal Article
Language:	English
Published:	IEEE 2006
Subjects:	Acoustic beams Costs Current measurement Hardware Instruments Magnetic sensors Marine Marine technology Sampling methods Solid state circuits Testing
Online Access:	Get full text
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Summary:	Traditional moored current meters record velocities averaged over a period of several minutes to reduce variations due to sensor movement. Unfortunately these time-averaged records do not provide sufficient information required to understand mooring motions and interpret commonly observed velocity variations. We describe the use of high-resolution diagnostics data collected with an Argonaut-MD in a tidally driven environment that aid our understanding of mooring motions. Accelerometer records clearly capture internal wave signature, undetectable in the averaged data. Data analysis reveals considerably different mooring response to tides (mooring line pull) and internal waves (oscillations). The availability of these diagnostic data improves the understanding of mooring motion and aids in designing the appropriate sampling strategy
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23
ISBN:	9781424401147 1424401143
ISSN:	0197-7385
DOI:	10.1109/OCEANS.2006.306835