NCL
                     f.e13.F2000     f.e13.F2000      difference     rel diff(%)
Sources (Tg/yr)         5837.369        5739.221          98.147           1.681
        emission        5837.369        5739.221          98.147           1.681
Sinks (Tg/yr)           5830.825        5742.735          88.089           1.511
         dry_dep        1785.840        1745.923          39.917           2.235
         wet_dep        4044.985        3996.812          48.173           1.191
Lifetime (days)            1.133           1.136          -0.003          -0.235
Burden (Tg)               18.105          17.873           0.232           1.280
    accumulation           0.885           0.873           0.012           1.342
          Aitken           0.002           0.002           0.000           1.508
          coarse          17.217          16.998           0.219           1.273