BC
                     f.e13.F2000     f.e13.F2000      difference     rel diff(%)
Sources (Tg/yr)            7.794           7.794          -0.000          -0.000
        emission           7.794           7.794          -0.000          -0.000
Sinks (Tg/yr)              7.716           7.732          -0.016          -0.212
         dry_dep           2.160           2.153           0.007           0.333
         wet_dep           5.556           5.580          -0.024          -0.423
Lifetime (days)            5.485           5.534          -0.049          -0.896
Burden (Tg)                0.116           0.117          -0.001          -1.109
    accumulation           0.071           0.072          -0.001          -1.434
  primary_carbon           0.045           0.045          -0.000          -0.585