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John B. Miller, Scott J. Lehman, Stephen A. Montzka, Colm Sweeney, Benjamin R. Miller, Anna Karion, Chad Wolak, Ed J. Dlugokencky, John Southon, Jocelyn C. Turnbull and Pieter P. Tans Linking emissions of fossil fuel CO2 and other anthropogenic trace gases using atmospheric 14CO2 Journal of Geophysical Research: Atmospheres (1984–2012) 117

Version of Record online: 19 APR 2012 | DOI: 10.1029/2011JD017048

Key Points

  • 14CO2 partitions PBL CO2 into fossil-fuel and biospheric fractions
  • Even in winter, biospheric CO2 comprises >50% of PBL CO2 enhancement
  • Ratios of gases to 14CO2 lead to 'absolute' emissions of those gases

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