BC
                     f.e13.FC5.f     f.e13.FC5.f      difference     rel diff(%)
Sources (Tg/yr)            8.267           8.267           0.000           0.000
        emission           8.267           8.267           0.000           0.000
Sinks (Tg/yr)              7.886           7.950          -0.064          -0.807
         dry_dep           1.722           1.693           0.029           1.688
         wet_dep           6.165           6.257          -0.093          -1.504
Lifetime (days)            7.551           6.754           0.797          10.550
Burden (Tg)                0.163           0.147           0.016           9.828
    accumulation           0.130           0.115           0.015          11.232
  primary_carbon           0.033           0.032           0.001           4.364