Answers are grounded in this paper and cite their sources.
A CTD and water samples are recovered from over 4,000 m depth in Drake Passage by the British Antarctic Survey vessel RRS James Clark Ross in March 2013.These samples are part of the ongoing fiveyear joint US/UK Diapycnal and Isopycnal Mixing Experiment in the Southern Ocean (DIMES).
No takes yet. Share an insight, caveat, or question.
Durack et al. (2018) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: