BC
                     f.e15a6.FAM     f.e15a6.FAM      difference     rel diff(%)
Sources (Tg/yr)            7.173           7.173           0.000           0.002
        emission           7.173           7.173           0.000           0.002
Sinks (Tg/yr)              7.097           7.099          -0.002          -0.032
         dry_dep           1.906           1.802           0.104           5.437
         wet_dep           5.191           5.297          -0.106          -2.040
Lifetime (days)            5.948           5.667           0.281           4.726
Burden (Tg)                0.116           0.110           0.005           4.695
    accumulation           0.068           0.063           0.005           7.219
  primary_carbon           0.047           0.047           0.001           1.061