Ocean-sensor project reaches milestone
By Sid Perkins, 15:51 PM April 15, 2008
Scientists seeking to deploy an armada of 3,000 robotic probes to take the pulse of Earth's oceans are halfway to their goal.
As of Nov. 30, 2004 oceanographers had launched 1,516 of the sensor-laden Argo floats, says project director John Gould of the Scripps Institution of Oceanography in La Jolla, Calif. Those probes, each costing about $15,000, measure temperature, salinity, and other water characteristics in the uppermost layers of the ocean (SN: 2/1/03, p. 75: Available to subscribers a...
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