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Self-contained acoustics platforms for probing ocean surface processes

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2 Author(s)
Trevorrow, M.V. ; Ocean Phys., Inst. of Ocean Sci., Sidney, BC, Canada ; Teichrob, R.

This paper describes the capabilities and technical specifications of a pair of high-frequency acoustics platforms, known as Susy and SeaScan, designed to probe oceanic near-surface processes. These self-contained drifters employ six upward-looking conical beam sonars (29-397 kHz), two 360° steerable sidescans (103 kHz), and several hydrophones. Both backscattered intensity and Doppler velocity are measured with the sonars and sidescans. A detailed description of the mechanical and electronic components is provided. Examples of sonar and sidescan data products from these platforms are shown, including near-surface vertical and horizontal micro-bubble distributions, and Doppler velocities due to waves

Published in:

Oceanic Engineering, IEEE Journal of  (Volume:19 ,  Issue: 3 )