The global upper-700-m ocean showed a multidecadal increase in kinetic energy beginning in the early 1990s, rather than only in the 2000s when the Argo observation system began.
Sources
- Deep-reaching acceleration of global mean ocean circulation over ... (science.org)
- https://scripps.ucsd.edu/news/study-shows-acceleration-global-mean-ocean-circulation-1990s (scripps.ucsd.edu)
- https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2024JC021343 (agupubs.onlinelibrary.wiley.com)