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The autonomous underwater glider "Spray"

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4 Author(s)
Sherman, J. ; Scripps Instn. of Oceanogr., La Jolla, CA, USA ; Davis, R. ; Owens, W.B. ; Valdes, J.

A small (50-kg, 2-m long) underwater vehicle with operating speeds of 20-30 cm/s and ranges up to 6000 km has been developed and field tested. The vehicle is essentially an autonomous profiling float that uses a buoyancy engine to cycle vertically and wings to glide horizontally while moving up and down. Operational control and data relay is provided by GPS navigation and two-way communication through ORBCOMM low-Earth-orbit satellites. Missions are envisioned with profile measurements repeated at a station or spaced along a transect. The initial instrument complement of temperature, conductivity, and pressure sensors was used to observe internal waves and tides in the Monterey underwater canyon

Published in:

Oceanic Engineering, IEEE Journal of  (Volume:26 ,  Issue: 4 )