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)              7.950           7.886           0.064           0.801
         dry_dep           1.693           1.722          -0.029          -1.717
         wet_dep           6.257           6.165           0.093           1.482
Lifetime (days)            6.754           7.551          -0.797         -11.795
Burden (Tg)                0.147           0.163          -0.016         -10.900
    accumulation           0.115           0.130          -0.015         -12.653
  primary_carbon           0.032           0.033          -0.001          -4.563