Interhemispheric transport of carbon dioxide by ocean circulation

  title={Interhemispheric transport of carbon dioxide by ocean circulation},
  author={Wallace S Broecker and Tsung-Hung Peng},
ALTHOUGH anthropogenic emissions of carbon dioxide have today created a greater atmospheric CO2concentration in the Northern than in the Southern Hemisphere, a comparison of interhemispheric CO2 profiles from 1980 and 1962 led Keeling and Heimann1,2 to conclude that, before the Industrial Revolution, natural CO2 sources and sinks acted to set up a reverse (south to north) gradient which drove about one gigatonne of carbon each year through the atmosphere from the Southern to the Northern… CONTINUE READING
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