NCL
                     f.e13.FC5.f     f.e13.FC5.f      difference     rel diff(%)
Sources (Tg/yr)         3929.668        3942.814         -13.145          -0.335
        emission        3929.668        3942.814         -13.145          -0.335
Sinks (Tg/yr)           3931.358        3945.677         -14.319          -0.364
         dry_dep         910.299         916.538          -6.239          -0.685
         wet_dep        3021.060        3029.139          -8.080          -0.267
Lifetime (days)            0.961           0.953           0.008           0.841
Burden (Tg)               10.356          10.306           0.050           0.480
    accumulation           0.526           0.525           0.000           0.058
          Aitken           0.001           0.001          -0.000          -0.064
          coarse           9.829           9.780           0.049           0.503