Century-Old Message in a Bottle Returned to Sender (Jane J. Lee, National Geographic)
“Chucking objects and instruments into the ocean for scientific study is a time-honored method … In Bidder’s time, the most he could hope for was information on a bottle’s release point and where it washed ashore. Deep-sea floats in the Argo network can track ocean currents from the sea surface to 6,600 feet (2,000 meters) deep. New float designs will enable even deeper examinations of ocean currents at 19,700 feet (6,000 meters).”
Deep Argo: Probes in Ocean Abyss Explore Mysteries of Global Warming (J. Roach, NBC News)
“a lot of excitement in Deep Argo has to do with the ocean circulation and ocean circulation changes that are responsible for getting these property changes into the deep oceans”
Argo news, data, and archives
3,628 free-drifting profiling Argo floats are currently measuring the temperature and salinity of the upper 2000 m of the ocean.
In the Ocean, Clues to Change (J. Gillis, New York Times)
“Argo is one of the scientific triumphs of the age ”