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  • Diapycnal mixing in the Antarctic Circumpolar Current 

    Ledwell, James R.; St. Laurent, Louis C.; Girton, James B.; Toole, John M. (American Meteorological Society, 2011-01)
    The vertical dispersion of a tracer released on a density surface near 1500-m depth in the Antarctic Circumpolar Current west of Drake Passage indicates that the diapycnal diffusivity, averaged over 1 yr and over tens of ...
  • Turbulence and diapycnal mixing in Drake Passage 

    St. Laurent, Louis C.; Naveira Garabato, Alberto C.; Ledwell, James R.; Thurnherr, Andreas M.; Toole, John M.; Watson, Andrew J. (American Meteorological Society, 2012-12)
    Direct measurements of turbulence levels in the Drake Passage region of the Southern Ocean show a marked enhancement over the Phoenix Ridge. At this site, the Antarctic Circumpolar Current (ACC) is constricted in its flow ...