NCL
                     f.e13.F2000     f.e13.F2000      difference     rel diff(%)
Sources (Tg/yr)         3794.407        5859.149       -2064.742         -54.415
        emission        3794.407        5859.149       -2064.742         -54.415
Sinks (Tg/yr)           3792.344        5850.314       -2057.971         -54.266
         dry_dep        1128.647        1767.428        -638.781         -56.597
         wet_dep        2663.697        4082.887       -1419.190         -53.279
Lifetime (days)            1.137           1.122           0.015           1.320
Burden (Tg)               11.818          17.990          -6.172         -52.230
    accumulation           0.587           0.892          -0.306         -52.100
          Aitken           0.001           0.002          -0.001         -68.565
          coarse          11.230          17.096          -5.866         -52.236