NCL
                     f.e13.F2000     f.e13.F2000      difference     rel diff(%)
Sources (Tg/yr)         3870.217        5837.369       -1967.151         -50.828
        emission        3870.217        5837.369       -1967.151         -50.828
Sinks (Tg/yr)           3865.379        5830.825       -1965.446         -50.847
         dry_dep        1177.665        1785.840        -608.175         -51.642
         wet_dep        2687.714        4044.985       -1357.271         -50.499
Lifetime (days)            1.132           1.133          -0.001          -0.108
Burden (Tg)               11.989          18.105          -6.116         -51.011
    accumulation           0.582           0.885          -0.303         -52.012
          Aitken           0.001           0.002          -0.001         -65.227
          coarse          11.406          17.217          -5.812         -50.957