Sensors

Argo — A Global Array of Ocean Wireless Measurement Sensors

Argo is a strategy to continually measure the temperature, salinity and velocity of world ocean's and consists of 3,000 wireless sensors. These sensors are tracked as they move, collecting and transmitting data . The sensors confirm rising seas at a rate of 3 mm/year. The map below provides an indication of the location of the sensors, which are free-drifting,  as of today.

From the Argos site - "Argo deployments began in 2000 and by November 2007 the array is 100% complete. Today's tally of floats is shown in the figure above. While the Argo array is currently complete at 3000 floats, to be maintained at that level, national commitments need to provide about 800 floats per year (which has occurred for the past three years)."

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