Issue Date: May 21, 2007
Ocean's carbon sink is filling up
Oceans should absorb 70–80% of anthropogenic carbon dioxide released into the atmosphere, according to simple models based on well-known carbon chemistry and multicentury timescales. But new research shows that, since 1981, the body of water surrounding Antarctica, known as the Southern Ocean, has absorbed 30% less CO2 than predicted (Science, DOI: 10.1126/science.1136188). As ocean CO2 absorption weakens, atmospheric levels of the gas may rise faster and further impact climate. From 1981 to 2004, Corinne Le . . .
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