NCL
                     f.e13.F2000     f.e13.F2000      difference     rel diff(%)
Sources (Tg/yr)         4460.392        5859.149       -1398.757         -31.360
        emission        4460.392        5859.149       -1398.757         -31.360
Sinks (Tg/yr)           4453.704        5850.314       -1396.611         -31.358
         dry_dep        1340.277        1767.428        -427.151         -31.870
         wet_dep        3113.427        4082.887        -969.460         -31.138
Lifetime (days)            1.123           1.122           0.000           0.030
Burden (Tg)               13.699          17.990          -4.290         -31.318
    accumulation           0.679           0.892          -0.213         -31.446
          Aitken           0.002           0.002          -0.001         -39.241
          coarse          13.019          17.096          -4.077         -31.313