Table 1. Annual Average Global Budgets of 210Pb, 7Be, and 10Be in the Troposphere + Stratosphere for 2020 210Pb 7Be 10Be ----------- ----------- ----------- Burden, g 244.4271 20.4069 264.2675 Sources, g d-1 28.8093 0.4032 0.5760 Sinks, g d-1 27.9507 0.3879 0.5318 Dry deposition 3.6102 0.0081 0.0354 Wet deposition Stratiform 19.5121 0.0991 0.4310 Convective 4.8079 0.0152 0.0654 Radioactive decay 0.0205560 0.2655110 0.00000031 Sources - Sinks, g d-1 0.858654 0.015254 0.044224 Accumulation Term Initial mass, g 231.7756 20.1245 263.3506 Final mass, g 258.3324 20.5950 264.7101 Difference, g 26.5568695 0.4704800 1.3594971