BC
                     cam157_kk_d     cam157_kk_d      difference     rel diff(%)
Sources (Tg/yr)            8.409           3.090           5.319          63.254
        emission           8.409           3.090           5.319          63.254
Sinks (Tg/yr)              8.320           3.004           5.316          63.896
         dry_dep           3.035           1.205           1.830          60.290
         wet_dep           5.285           1.799           3.486          65.967
Lifetime (days)            6.221           8.252          -2.031         -32.649
Burden (Tg)                0.142           0.068           0.074          52.109
    accumulation           0.089           0.028           0.061          68.263
  primary_carbon           0.052           0.040           0.013          24.599