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"By harvesting its energy directly from the sea, a new underwater robot could cruise the oceans for years." (The Economist, 2008)

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Current Missions
SG147, mission 4 seglider location SG148, mission 8 seglider location
SG147-4 : Recovered at Stn. ALOHA on November 5, 2009 SG148-8 : Recovered NE of Stn. ALOHA on July 16, 2009
Overview

Deployment History
  • SG139 : Shipped to UW on 5/28/09
  • SG146 : Shipped to UW on 10/13/09
  • SG147 : Shipped to UW on 11/12/09
  • SG148 : Shipped to UW on 10/13/09

Seagliders are a buoyancy driven autonomous underwater vehicle (AUV) developed by scientists and engineers at the University of Washington's School of Oceanography and Applied Physics Laboratory. They fly through the water with extremely modest energy requirements using changes in buoyancy for thrust coupled with a stable, low-drag, hydrodynamic shape. Seagliders make oceanographic measurements traditionally collected by research vessels or moored instruments, but at a fraction of the cost. They can survey along a transect, profile at a fixed location, and can be commanded to alter their sampling strategies throughout a mission.


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