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Dave Fratantoni monitoring an autonomous glider at the surface.

Dave Fratantoni monitoring an autonomous glider at the surface.
Dave Fratantoni monitoring an autonomous glider at the surface.
Dave Fratantoni monitoring an autonomous glider at the surface.
Dave Fratantoni monitoring an autonomous glider at the surface.
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(42°4′47″N, 69°58′47″W)
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Woods, Nick
Dave Fratantoni monitoring an autonomous glider at the surface.
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05/25/2011
graphics/Woods_Photos/_DSC0020.JPG
Images feature PO Joint Program students Sophia Merrifield and Nick Woods, led by Dave Fratantoni. They are deploying three profiling floats (yellow instruments, standing vertically), one autonomous glider, and one surface drifter (2x4 with white sheets attached), in order to study the physics and biology off the coast of Cape Cod. The profilers and glider were equipped with acoustic sensors in order to detect whales (especially right whales), as well as a suite of sensors to determine the physical characteristics of the environment. The surface drifter sends its position via satellite, which is recorded to give a sense of the surface flow. Departing from Provincetown on the NOAA vessel Auk, they headed around Race Point, and deployed the instruments about 20 miles offshore. In addition to the instruments deployed, a small hand-held CTD (small orange instrument in photos with Sophie) was used to measure water properties.
Image of The Day caption:
WHOI physical oceanographer Dave Fratantoni watches as a Slocum glider heads away from the ship during a test run. The glider operates without a tether and moves up and down through the water by changing its buoyancy. On this research cruise, Fratantoni and colleagues in the Autonomous Systems Laboratory used several kinds of instruments, some mounted on the glider, to detect whales and the zooplankton they prey on and to measure physical characteristics of the marine environment. The orange float attached to the glider during the test run was removed before the glider set off on its three-week mission.
Photo by Nick Woods
© Woods Hole Oceanographic Institution
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