The AMOC has only been continually monitored in some form since 2004.
Notes on verification
Confirmed by multiple independent peer-reviewed papers and institutional sources (NOAA/AOML, RAPID project, Royal Society, Ocean Science journal), all consistent in stating continuous AMOC monitoring began in April 2004 via the RAPID array at 26N. [tier=gold indep_score=0.89 clusters=5 claim_tier=notable]
Sources
- Is the Atlantic Ocean's great conveyer belt really slowing ... (seed:science_and_space)
- https://www.aoml.noaa.gov/phod/docs/McCarthy_etal_ProgOcean_2015.pdf (corroboration)
- https://rapid.ac.uk/ (corroboration)
- https://catalogue.ceda.ac.uk/uuid/34f3219ef1fb4116a977c4d8fea4212f/ (corroboration)
- https://royalsocietypublishing.org/rsta/article/381/2262/20220192/41318/From-theory-to-RAPID-AMOC-observations-a-personal (corroboration)
- https://os.copernicus.org/articles/17/1321/2021/ (corroboration)