BC
                     f.e15a6.FAM     f.e15a6.FAM      difference     rel diff(%)
Sources (Tg/yr)            7.674           7.674           0.000           0.003
        emission           7.674           7.674           0.000           0.003
Sinks (Tg/yr)              7.603           7.604          -0.001          -0.012
         dry_dep           1.967           1.911           0.055           2.819
         wet_dep           5.637           5.693          -0.056          -1.000
Lifetime (days)            6.193           6.080           0.113           1.824
Burden (Tg)                0.129           0.127           0.002           1.812
    accumulation           0.083           0.080           0.003           3.095
  primary_carbon           0.046           0.046          -0.000          -0.501