Thursday, May 22, 2014

Record Growth of Atmospheric CO2 in 2013

Graph of global carbon balance. Negative CO2 flux means net removal of carbon from the atmosphere (i.e. carbon sinks) and positive CO2 flux means net carbon sources. Land-based vegetation and oceans absorb increasing amount of anthropogenic carbon, with approximately constant “airborne fraction” at around 43 %. (Credit: Global Carbon Project) Click to enlarge.
The fact that last year the atmospheric CO2 concentration reached 400 ppm at Mauna Loa observatory was widely publicized.  However, almost unnoticed is the fact, that according to preliminary NOAA ESRL data, global CO2 concentration increased in that same year by a record amount.

 Record Growth of Atmospheric CO2 in 2013
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