Onset of Antarctic Circumpolar Current 30 million years ago as Tasmanian Gateway aligned with westerlies

  title={Onset of Antarctic Circumpolar Current 30 million years ago as Tasmanian Gateway aligned with westerlies},
  author={Howie D. Scher and Joanne M Whittaker and Simon E. Williams and Jennifer C. Latimer and Wendy E. C. Kordesch and Margaret Lois Delaney},
Earth’s mightiest ocean current, the Antarctic Circumpolar Current (ACC), regulates the exchange of heat and carbon between the ocean and the atmosphere, and influences vertical ocean structure, deep-water production and the global distribution of nutrients and chemical tracers. The eastward-flowing ACC occupies a unique circumglobal pathway in the Southern Ocean that was enabled by the tectonic opening of key oceanic gateways during the break-up of Gondwana (for example, by the opening of the… CONTINUE READING
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