Table 1. Annual Average Global Budgets of 210Pb, 7Be, and 10Be in the Troposphere + Stratosphere for 2019 210Pb 7Be 10Be ----------- ----------- ----------- Burden, g 263.4555 19.9077 263.2347 Sources, g d-1 32.3355 0.4027 0.5752 Sinks, g d-1 32.4127 0.4028 0.5791 Dry deposition 3.8955 0.0105 0.0437 Wet deposition Stratiform 19.5159 0.1034 0.4180 Convective 8.9792 0.0299 0.1174 Radioactive decay 0.0221590 0.2590610 0.00000031 Sources - Sinks, g d-1 -0.077243 -0.000142 -0.003851 Accumulation Term Initial mass, g 232.9584 20.1043 267.5970 Final mass, g 238.1666 20.1790 266.7047 Difference, g 5.2082672 0.0746937 -0.8922729