Evaluating Performance of Acoustic Current Profiler Sensor on Small, Dynamic Surface Buoy

Heitsenrether, Robert; Fiorentino, Laura; Velasco, David W.; Wilson, W. Douglas

doi:10.1109/OCEANS.2018.8604697

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Evaluating Performance of Acoustic Current Profiler Sensor on Small, Dynamic Surface Buoy

2018
By Heitsenrether, Robert ; Fiorentino, Laura ; Velasco, David W. ; ...
Source: OCEANS 2018 MTS/IEEE Charleston (2018)

[PDF-2.01 MB]

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OCEANS 2018 MTS/IEEE Charleston
Personal Author:

Heitsenrether, Robert ; Fiorentino, Laura ; Velasco, David W. ; Wilson, W. Douglas

Heitsenrether, Robert ; Fiorentino, Laura ; Velasco, David W. ; Wilson, W. Douglas Less -
NOAA Program & Office:

NOS (National Ocean Service) ; CO-OPS (Center for Operational Oceanographic Products & Services)

NOS (National Ocean Service) ; CO-OPS (Center for Operational Oceanographic Products & Services) Less -
Description:

A sea surface following buoy equipped with a wave sensor and acoustic Doppler current profiler (ADCP) may be a useful system design option for many different coastal ocean measurement applications. However, previous work has shown that surface buoy-mounted ADCP current profile data can be negatively impacted by buoy motion in dynamic coastal environments. Between 2014 and 2018, a series of three field experiments were conducted at a site in the south Chesapeake Bay to evaluate the performance of acoustic Doppler current profilers installed on small, dynamic surface buoy platforms (<; 2 m). The focus of this paper is on results from the third, most recent field experiment conducted during December 2017 - January 2018. This third experiment evaluates potential improvements offered by a new Acoustic Doppler Current Profiler (ADCP) with an integrated Attitude and Heading Reference Sensor (AHRS) and a real-time motion compensation capability. The improved ADCP with ARHS was installed on a small surface buoy in a downward looking configuration. The test buoy system was deployed at the Chesapeake Bay field site alongside a second, nearby ADCP system in a bottom mount serving as a stable reference. Results comparing current profile measurements from buoy and bottom mount sensors indicate significant improvement in the buoy mounted ADCPs performance as compared to the previous two field tests. A summary of the new ADCP instrument employed, measurement methods, field observations, and initial performance evaluation will be presented, along with plans for continuing system development and testing.
Source:

OCEANS 2018 MTS/IEEE Charleston (2018)
DOI:

https://doi.org/10.1109/OCEANS.2018.8604697
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PDF
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IEEE
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Journal Article
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urn:sha256:bbd2b58124a94b70353292da0b618f9e0b17da1193a47a97c07076e07a2a38c2
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Evaluating Performance of Acoustic Current Profiler Sensor on Small, Dynamic Surface Buoy

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