1999 AD–2026 AD
Argo observes the ocean interior globally
Oceans, navigation & cartography · Oceanography · Institutions & standards
Since 1999–2000, the international Argo program has deployed autonomous floats that profile temperature and salinity to about 2,000 meters and transmit open data. The array reached 3,000 active floats in 2007 and continues expanding toward polar seas, deep water, and biogeochemical variables.
Precision, calendar, and review
- Start
- year · no uncertainty qualifier in this record
- End
- year · no uncertainty qualifier in this record
- Calendar and convention
- Historical-era years; the source calendar is not identified. No conversion of days is assumed.
- Year zero
- The scale goes from 1 BCE to 1 CE without year zero. Changing era names changes labels only.
- Documentary review
- Date not recorded
Reading the date: duration of a process.
Sources
- 1. www.aoml.noaa.gov (opens in a new tab)
Source provenance and scope
- Publication date
- 2021-04-05
- What this date describes
- The cited source or edition; it may postdate the historical event.
- Source updated
- 2026-09-04
- Bibliographic date checked
- 2026-09-23
- Date evidence
- Declared in the cited source’s publisher metadata.
The correspondence between this reference and individual claims has not yet been itemized.
- 2. argo.ucsd.edu (opens in a new tab)
Source provenance and scope
- Publication date
- Not identified in metadata; document review pending
- Bibliographic date checked
- 2026-09-23
The correspondence between this reference and individual claims has not yet been itemized.
This record is an editorial synthesis. Consult the sources to check claims and their limits. Chronological relationships alone do not establish causation.