For more than 20 years, about 4,000 autonomous profiling floats have been drifting through the ocean. They form part of the international Argo program (Argo—global array of profiling floats). At regular intervals, they descend to a depth of 2,000 meters (6,600 feet) and, as they rise, measure p...
Source: [Phys.org](https://phys.org/news/2026-07-ai-atlantic-circulation-insights-years.html)