Shore-Based Acoustic Doppler Measurement of Near-Surface Currents across a Small Embayment

Shore-based measurements of near-surface currents are used in a preliminary study of the circulation patterns in a small embayment (width of about 120 m). The measurements were made using an acoustic Doppler current profiler mounted so two acoustic beams scanned horizontally beneath the surface and...

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Bibliographic Details
Published in:Journal of coastal research 2000, Vol.16 (3), p.864-869
Main Authors: Marmorino, George O., Clifford L. Trump
Format: Article
Language:English
Subjects:
Data ranges
Earth, ocean, space
Exact sciences and technology
External geophysics
Flow distribution
Flow velocity
Inlets
Ocean currents
Physics of the oceans
Radial velocity
Surface areas
Surface waves, tides and sea level. Seiches
Transducers
Velocity vector
Water temperature
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Summary:Shore-based measurements of near-surface currents are used in a preliminary study of the circulation patterns in a small embayment (width of about 120 m). The measurements were made using an acoustic Doppler current profiler mounted so two acoustic beams scanned horizontally beneath the surface and across the embayment. The data show spatially variable flow patterns that recur at semi-diurnal tidal period but do not vary sinusoidally in time. A similar measurement strategy may prove useful in monitoring the effects on circulation patterns of dredging or jetty construction, studying patterns of pollutant dispersal, or in making an exploratory investigation prior to deploying current-meter moorings.
ISSN:0749-0208
1551-5036