NCL
                     f.e13.F2000     f.e13.F2000      difference     rel diff(%)
Sources (Tg/yr)         5751.032        5718.418          32.614           0.567
        emission        5751.032        5718.418          32.614           0.567
Sinks (Tg/yr)           5749.641        5716.849          32.792           0.570
         dry_dep        1767.211        3132.278       -1365.066         -77.244
         wet_dep        3982.430        2584.572        1397.858          35.101
Lifetime (days)            1.133           0.745           0.388          34.231
Burden (Tg)               17.849          11.672           6.177          34.606
    accumulation           0.867           0.871          -0.005          -0.537
          Aitken           0.002           0.002           0.000           4.512
          coarse          16.981          10.799           6.182          36.406