NCL
                     f.e15a6.FAM     f.e15a6.FAM      difference     rel diff(%)
Sources (Tg/yr)         4647.523        4723.658         -76.135          -1.638
        emission        4647.523        4723.658         -76.135          -1.638
Sinks (Tg/yr)           4646.494        4721.619         -75.125          -1.617
         dry_dep         965.578         931.891          33.687           3.489
         wet_dep        3680.916        3789.727        -108.812          -2.956
Lifetime (days)            0.898           0.753           0.144          16.090
Burden (Tg)               11.426           9.743           1.683          14.733
    accumulation           0.628           0.476           0.152          24.160
          Aitken           0.002           0.002           0.000          12.280
          coarse          10.796           9.265           1.531          14.185