SUBS
Streamlined Underwater Buoyancy Systems
SUBS streamlined ADCP/ADP buoys
- Coastal ADCP buoys
- Deep Water ADCP buoys
- NEW: See our High Speed Stability Data for ADCP/ADP Instrument mounts
SUBS streamlined sub-surface buoys (mooring buoyancy)
CURRENT METER UNDER REPORTING
It has been known for some years that commercially available electro-mechanical and magnetic type vector averaging current meters were seriously under reporting in many situations. Recent research in mooring design carried out at Bedford Institute of Oceanography has shown that this is caused by mooring line oscillation. The major cause of this mooring line oscillation was further shown to be caused by vortex shedding behind the spherical flotation commonly used as mooring buoyancy.
DATA QUALITY IMPROVEMENT
A major data quality improvement was seen when the spherical flotation was enclosed in a streamlined housing. The comparisons of the two types of moorings were made by running a ship-board ADCP above the moorings, and plotting the current meter data against the ADCP data. Excellent correlations existed when both the electro-mechanical and magnetic type vector averaging current meters were moored with streamlined flotation.
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