Drake Passage is measured and the ACC turns out to be larger

Assembled from 28 blocks · 1 evidence · 49 related

1. Story
2. A line of moored current meters and pressure-recording inverted echo sounders occupied Drake Passage continuously from 2007 to 2011. Summing a mean barotropic transport of 45.6 ± 8.9 Sv with a baroclinic transport of 127.7 Sv relative to zero at the seafloor gave a mean of 173.3 Sv — about 30 per cent above the canonical 134 Sv value that had been the benchmark for global circulation and climate models. The difference lies almost entirely in the barotropic component, which earlier estimates based on hydrography could not see.
3. Knowledge
4. Antarctic Circumpolar Current (ACC)
5. Drake Passage
6. Sverdrup (Sv)
7. Drake Passage is measured and the ACC turns out to be larger
8. Connections
9. Antarctic Circumpolar Current (ACC)
10. Drake Passage
11. Sverdrup (Sv)
12. Antarctica
13. Antarctic Polar Front (Antarctic Convergence)
14. Atlantic Meridional Overturning Circulation (AMOC)
15. Drake Passage
16. Southern Ocean
17. Drake Passage
18. A circumpolar current becomes possible
19. Drake Passage is measured and the ACC turns out to be larger
20. Antarctic Circumpolar Current (ACC)
21. Antarctic Circumpolar Current (ACC)
22. A circumpolar current becomes possible
23. Drake Passage is measured and the ACC turns out to be larger
24. RAPID-MOCHA-WBTS Array at 26.5°N
25. Drake Passage is measured and the ACC turns out to be larger
26. Twenty-two years of continuous AMOC observation
27. Evidence
28. Continuous Drake Passage observations from 2007 to 2011 give a mean ACC transport of 173.3 Sv — barotropic 45.6 ± 8.9 Sv plus baroclinic 127.7 Sv relative to zero at the seafloor — about 30 per cent above the canonical benchmark value. Figures taken from search summaries of the abstract; the article is on a blocked publisher domain.