Table 1. Annual Average Global Budgets of 210Pb and 7Be in the GEOS-5 Troposphere+Stratosphere for 2013
                               210Pb         7Be
  Burden, g                   252.498      20.0581
  Sources, g d-1              32.3103     0.403512
    stratosphere             0.131622     0.270671
    troposphere               32.1787     0.132842
  Sinks, g d-1                35.1682     0.409585
    dry deposition            5.59233    0.0117144
    wet deposition      
      stratiform              22.9406     0.123985
      convective              6.61406    0.0129087
    radioactive decay       0.0212472     0.260976