Table 3. Annual Average Global Budgets of 210Pb, 7Be, and 10Be
         in the Stratosphere for 2019

                                210Pb          7Be         10Be
                          -----------  -----------  -----------
  Burden, g                   53.0497      17.9600     265.8555

  Sources, g d-1               0.4046       0.3572       0.5103

  Sinks, g d-1                 0.1198       0.2369       0.0186
    Dry deposition             0.0000       0.0000       0.0000
    Wet deposition
      Stratiform               0.1149       0.0032       0.0186
      Convective               0.0004       0.0000       0.0000
    Radioactive decay       0.0044576    0.2336849   0.00000032

  Sources - Sinks, g d-1     0.284827     0.120304     0.491679

  Accumulation Term
    Initial mass, g           44.1310      17.0461     250.1090
    Final mass, g             51.4754      18.1609     267.8702
    Difference, g           7.3443678    1.1148317   17.7611319