Table 1. Annual Average Global Budgets of 210Pb and 7Be in the Troposphere+Stratosphere for 2013
                               210Pb         7Be
  Burden, g                   247.624      20.0132
  Sources, g d-1              32.1962     0.403345
    stratosphere             0.130611     0.270660
    troposphere               32.0656     0.132685
  Sinks, g d-1                32.2699     0.403576
    dry deposition            3.32588   0.00626941
    wet deposition      
      stratiform              22.2968     0.124153
      convective              6.62642    0.0127610
    radioactive decay       0.0208368     0.260393
 
  Accumulation Term     
    Initial mass, g           220.681      20.2247
    Final   mass, g           219.637      20.2242
    Difference, g            -1.04333 -0.000503540