NCL
                     f.e13.F2000     f.e13.F2000      difference     rel diff(%)
Sources (Tg/yr)         4283.445        5837.369       -1553.924         -36.277
        emission        4283.445        5837.369       -1553.924         -36.277
Sinks (Tg/yr)           4286.666        5830.825       -1544.159         -36.022
         dry_dep        1309.828        1785.840        -476.012         -36.342
         wet_dep        2976.837        4044.985       -1068.148         -35.882
Lifetime (days)            1.133           1.133           0.000           0.008
Burden (Tg)               13.311          18.105          -4.794         -36.012
    accumulation           0.647           0.885          -0.237         -36.686
          Aitken           0.002           0.002          -0.001         -44.469
          coarse          12.662          17.217          -4.555         -35.976