The oceanic sink for anthropogenic CO2
- PMID:15256665
- DOI: 10.1126/science.1097403
The oceanic sink for anthropogenic CO2
Abstract
Using inorganic carbon measurements from an international survey effort in the 1990s and a tracer-based separation technique, we estimate a global oceanic anthropogenic carbon dioxide (CO2) sink for the period from 1800 to 1994 of 118 +/- 19 petagrams of carbon. The oceanic sink accounts for approximately 48% of the total fossil-fuel and cement-manufacturing emissions, implying that the terrestrial biosphere was a net source of CO2 to the atmosphere of about 39 +/- 28 petagrams of carbon for this period. The current fraction of total anthropogenic CO2 emissions stored in the ocean appears to be about one-third of the long-term potential.
Comment in
- Ocean science. The fate of industrial carbon dioxide.Takahashi T.Takahashi T.Science. 2004 Jul 16;305(5682):352-3. doi: 10.1126/science.1100602.Science. 2004.PMID:15256662No abstract available.
- Comment on "The ocean sink for anthropogenic CO2".Keeling RF.Keeling RF.Science. 2005 Jun 17;308(5729):1743; author reply 1743. doi: 10.1126/science.1109620.Science. 2005.PMID:15961656No abstract available.
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