BC
                     f.e15a6.FAM     f.e15a6.FAM      difference     rel diff(%)
Sources (Tg/yr)            7.955           7.955           0.000           0.004
        emission           7.955           7.955           0.000           0.004
Sinks (Tg/yr)              7.658           7.663          -0.005          -0.067
         dry_dep           1.661           1.632           0.029           1.773
         wet_dep           5.997           6.031          -0.035          -0.576
Lifetime (days)            6.102           5.945           0.158           2.584
Burden (Tg)                0.128           0.125           0.003           2.519
    accumulation           0.105           0.102           0.003           2.654
  primary_carbon           0.023           0.022           0.000           1.897