Table 2. Annual Average Global Budgets of 210Pb, 7Be, and 10Be in the Troposphere for 2019 210Pb 7Be 10Be ----------- ----------- ----------- Burden, g 217.5243 2.7549 11.8065 Residence time, d 6.7354 19.7123 21.0605 Sources, g d-1 32.0373 0.1138 0.1625 Sinks, g d-1 32.3031 0.1754 0.5590 Dry deposition 3.8957 0.0105 0.0438 Wet deposition Stratiform 19.4096 0.0991 0.3978 Convective 8.9795 0.0299 0.1174 Radioactive decay 0.0182996 0.0358693 0.00000001 Sources - Sinks, g d-1 -0.265770 -0.061591 -0.396422 Accumulation Term Initial mass, g 188.8788 3.0210 13.4316 Final mass, g 194.0669 2.8633 12.1299 Difference, g 5.1881561 -0.1576786 -1.3016920