Observing directional properties of ocean swell with an Acoustic Doppler current profiler (ADCP)

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dc.contributor.authorHerbers, T.H.C.
dc.contributor.authorLentz, Steven J.
dc.date.accessioned2019-06-04T20:25:57Z
dc.date.available2019-06-04T20:25:57Z
dc.date.issued2010-01
dc.descriptionThe article of record as published may be found at https://doi.org/10.1175/2009JTECHO681.1en_US
dc.description.abstractAcoustic Doppler current profilers (ADCPs) are widely used for routine measurements of ocean currents and waves in coastal environments. These instruments have the basic capability to measure surface wave frequency–directional spectra, but the quality of the estimates is not well understood because of the relatively high noise levels in the velocity measurements. In this study, wave data are evaluated from two 600-kHz ADCP instruments deployed at 20- and 45-m depths on the Southern California continental shelf. A simple parametric estimation technique is presented that provides robust estimates of the gross directional wave properties, even when the data quality is marginal, as was often the case in this benign wave environment. Good agreement of mean direction and (to a lesser degree) directional spreading estimates with measurements from a nearby surface-following buoy confirms that reliable wave information can generally be extracted from ADCP measurements on the continental shelf, supporting the instrument’s suitability for routine wave-monitoring applications.en_US
dc.description.sponsorshipThis research was supported by the National Science Foundation (Physical Oceanography Program) and the Office of Naval Research (Coastal Geosciences Program).en_US
dc.identifier.citationJournal of Atmospheric and Oceanic Technology 27 (2010): 210-225, doi:10.1175/2009JTECHO681.1.en_US
dc.identifier.citationJournal of Atmospheric and Oceanic Technology 27 (2010): 210-225en_US
dc.identifier.urihttps://hdl.handle.net/10945/62422
dc.publisherAmerican Meteorological Society (AMS)
dc.subjectInstrumentation/sensorsen_US
dc.subjectBuoy observationsen_US
dc.subjectCoastal meteorologyen_US
dc.subjectWave propertiesen_US
dc.titleObserving directional properties of ocean swell with an Acoustic Doppler current profiler (ADCP)en_US
dc.typeArticle
dspace.entity.typePublication
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