Table 1. Annual Average Global Budgets of 210Pb and 7Be in the Troposphere+Stratosphere for 2013
                               210Pb         7Be
  Burden, g                   252.570      20.0540
  Sources, g d-1              32.3102     0.403345
    stratosphere             0.132042     0.270660
    troposphere               32.1782     0.132685
  Sinks, g d-1                32.3751     0.403566
    dry deposition            2.79416   0.00584958
    wet deposition      
      stratiform              22.9547     0.123900
      convective              6.60506    0.0128937
    radioactive decay       0.0212532     0.260923
 
  Accumulation Term     
    Initial mass, g           225.759      20.2645
    Final   mass, g           224.740      20.2640
    Difference, g            -1.01912 -0.000497818