1992 AD–2006 AD
TOPEX/Poseidon maps the ocean surface from space
Oceans, navigation & cartography · Oceanography · Instruments & positioning
The joint NASA–CNES mission measured sea-surface topography with unprecedented accuracy for more than thirteen years. Its global observations of sea level, currents, and tides transformed dynamic ocean mapping and linked space navigation, geodesy, and climate science.
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.jpl.nasa.gov (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.
- 2. sealevel.nasa.gov (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.