NCL
                     f.e13.F2000     f.e13.F2000      difference     rel diff(%)
Sources (Tg/yr)         5782.683        5751.032          31.650           0.547
        emission        5782.683        5751.032          31.650           0.547
Sinks (Tg/yr)           5781.682        5749.641          32.041           0.554
         dry_dep        1762.974        1767.211          -4.238          -0.240
         wet_dep        4018.709        3982.430          36.279           0.903
Lifetime (days)            1.133           1.133          -0.000          -0.041
Burden (Tg)               17.941          17.849           0.092           0.513
    accumulation           0.872           0.867           0.006           0.639
          Aitken           0.002           0.002           0.000           0.144
          coarse          17.067          16.981           0.086           0.506