Table 2. Annual Average Global Budgets of 210Pb and 7Be in the Troposphere for 2016
                               210Pb         7Be
  Burden, g                   218.330      3.55540
  Residence time, days        6.71344      24.5959
  Sources, g d-1        
    from stratosphere        0.236801    0.0541444
    within troposphere        32.2602     0.136303
  Sinks, g d-1          
    dry deposition            3.95678   0.00952537
    wet deposition            28.5218     0.134645
      stratiform              20.0439     0.108871
      convective              8.47787    0.0257736
    radioactive decay       0.0183735    0.0462768
 
Accumulation Term       
  Initial mass, g             219.392      8.80617
  Final   mass, g             219.184      8.80791
  Difference, g             -0.207565   0.00173569