“Our apparently conflicting results demonstrate what doing cutting edge science is really like and just how difficult it is to accurately quantify such data,” Knorr said.
Overall trends can be difficult to detect because of the climactic and other natural conditions affecting absorption of sinks.
Le Quere said, however, her team’s analysis had been able to remove more of the noise in the data that is associated with the natural annual variability of carbon dioxide levels due to, for example, El Nino or volcanic eruptions.
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