BC
                     f.e15a6.FAM     f.e15a6.FAM      difference     rel diff(%)
Sources (Tg/yr)            6.857           6.857           0.000           0.002
        emission           6.857           6.857           0.000           0.002
Sinks (Tg/yr)              6.781           6.777           0.004           0.054
         dry_dep           1.592           1.490           0.102           6.388
         wet_dep           5.189           5.287          -0.098          -1.890
Lifetime (days)            5.619           5.333           0.286           5.091
Burden (Tg)                0.104           0.099           0.005           5.142
    accumulation           0.077           0.072           0.005           7.001
  primary_carbon           0.027           0.027          -0.000          -0.096