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Ocean & Marine · Recorded milestone

Argo float network

Recorded year2000

Thousands of drifting robotic floats measure ocean heat and salinity worldwide.

Explore this milestone on the interactive map

Built on

Sea height measured from orbitRecorded · 1992enables
Autonomous underwater vehiclesRecorded · 1995enables
GPSRecorded · 1995enables

Led to

Ocean alkalinity enhancementRecorded · 2025enables

Sources & evidence

Additional source

Dataset updated 2026-10-18. This individual record has not been separately re-reviewed.