NCL
                     f.e13.F2000     f.e13.F2000      difference     rel diff(%)
Sources (Tg/yr)         5923.557        5837.369          86.188           1.455
        emission        5923.557        5837.369          86.188           1.455
Sinks (Tg/yr)           5901.509        5830.825          70.685           1.198
         dry_dep        1602.670        1785.840        -183.171         -11.429
         wet_dep        4298.839        4044.985         253.854           5.905
Lifetime (days)            1.206           1.133           0.073           6.015
Burden (Tg)               19.497          18.105           1.392           7.140
    accumulation           0.711           0.885          -0.174         -24.410
          Aitken           0.002           0.002           0.000           2.057
          coarse          18.783          17.217           1.566           8.336