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Median age and median transit times (Q 50) of soil organic carbon predicted for each grid cell by the three versions of the reduced complexity Earth system models CESM, IPSL, and MRI, corrected by observations of radiocarbon in soil profiles as described in He et al. (2016). Dashed line represents the 1:1 line. CESM = Community Earth System Model; IPSL = L'Institut Pierre‐Simon Laplace Coupled Model; MRI = Meteorological Research Institute Earth System Model.
