The total transport of the Antarctic Circumpolar Current has changed significantly over geological and modern timescales.
the verdict
SUPPORTED
the evidence backs this
confidence 87/100
Geological and modern observational studies confirm that the total transport and dynamics of the Antarctic Circumpolar Current have experienced substantial variability across multiple timescales.
Evidence for · 4
Oligocene deep water export from the North Atlantic and the development of the Antarctic Circumpolar Current examined with neodymium isotopes
2008 · cited by 78
Paper [0] demonstrates through neodymium isotopes that the Antarctic Circumpolar Current experienced significant developmental changes and varying transport patterns from the Oligocene to the Miocene.
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More for · 3
Antarctic Circumpolar Current Transport Variability during 2003–05 from GRACE
2007 · cited by 46
Paper [3] uses satellite gravity data to show notable short-term transport variability in the Antarctic Circumpolar Current between 2003 and 2005.
Short‐term transport variability of the Antarctic Circumpolar Current from satellite gravity observations
2012 · cited by 36
Paper [4] analyzes GRACE satellite gravity observations to document continuous high-frequency and seasonal transport variability of the Antarctic Circumpolar Current across Drake Passage.
Antarctic circumpolar transport and the southern mode: a model investigation of interannual to decadal timescales
2014 · cited by 7
Paper [5] investigates multidecadal model runs and confirms significant interannual to decadal transport variability and structural changes within the Antarctic Circumpolar Current.