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profiling float


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An oceanic float, designed to sink to a depth of c.1.5–2 km, where it remains for a period (typically 10–14 days), before returning to the surface. Temperature and salinity are measured on the ascent, this data (and the float's position) being transmitted to the operations centre by satellite. The float then descends again to repeat the cycle for its lifetime of 2–3 years. See also Argo.

Subjects: Meteorology and Climatology.


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