Revised budget for the oceanic uptake of anthropogenic carbon dioxide

  title={Revised budget for the oceanic uptake of anthropogenic carbon dioxide},
  author={Jorge Louis Sarmiento and Eric T. Sundquist},
TRACER-CALIBRATED models of the total uptake of anthropogenic CO2 by the world's oceans give estimates of about 2 gigatonnes carbon per year1, significantly larger than a recent estimate2 of 0.3-0.8 Gt C yr-1 for the synoptic air-to-sea CO2 influx. Although both estimates require that the global CO2 budget must be balanced by a large unknown terrestrial sink, the latter estimate implies a much larger terrestrial sink, and challenges the ocean model calculations on which previous CO2 budgets… CONTINUE READING
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