NCL
                     cam157_kk_d     cam157_kk_d      difference     rel diff(%)
Sources (Tg/yr)         3301.703        3205.351          96.353           2.918
        emission        3301.703        3205.351          96.353           2.918
Sinks (Tg/yr)           3297.045        3203.720          93.324           2.831
         dry_dep         805.780         785.099          20.681           2.567
         wet_dep        2491.264        2418.621          72.644           2.916
Lifetime (days)            0.869           0.892          -0.022          -2.575
Burden (Tg)                7.851           7.825           0.026           0.328
    accumulation           0.400           0.404          -0.004          -0.890
          Aitken           0.001           0.001           0.000           2.072
          coarse           7.449           7.420           0.029           0.393