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Carbon Weather (CT2007)

Region Averaging and Date


The column average CO2 mole fraction calculated in CarbonTracker for the time period indicated. Blue colors indicate regions where CO2 in the atmosphere is relatively low, whereas red colors indicate high CO2 abundances. Plumes of CO2 move with the weather systems across the continent and illustrate the dynamic nature of our atmosphere. Because NOAA ESRL measurements were used to optimize the surface exchange of CO2, the distribution shown is optimally consistent with our actual measurements of CO2. Units are parts per million of CO2. The column average mole fraction is weighted by the mass of air at each altitude between the surface and 10 hPa (the top of the model domain) and represents a sample at 10am Local Time for each 1x1 degree gridbox.