Response to Comments on "Saturation of the Southern Ocean CO$_2$ Sink Due to Recent Climate Change"
International audience We estimated a weakening of the Southern Ocean carbon dioxide (CO$_2$) sink since 1981 relative to the trend expected from the large increase in atmospheric CO$_2$. We agree with Law et al. that network choice increases the uncertainty of trend estimates but argue that their n...
Published in: | Science |
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Main Authors: | , , , , , , , , , , , |
Other Authors: | , , , , , , , , , , , , , , , , , , , , |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
HAL CCSD
2008
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Subjects: | |
Online Access: | https://cea.hal.science/cea-00868153 https://cea.hal.science/cea-00868153/document https://cea.hal.science/cea-00868153/file/LeQuere.pdf https://doi.org/10.1126/science.1147315 |
Summary: | International audience We estimated a weakening of the Southern Ocean carbon dioxide (CO$_2$) sink since 1981 relative to the trend expected from the large increase in atmospheric CO$_2$. We agree with Law et al. that network choice increases the uncertainty of trend estimates but argue that their network of five locations is too small to be reliable. A future reversal of Southern Ocean CO$_2$ saturation as suggested by Zickfeld et al. is possible, but only at high atmospheric CO$_2$ concentrations, and the effect would be temporary. |
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