Table 1. Annual Average Global Budgets of 210Pb and 7Be in the Troposphere+Stratosphere for 2016 210Pb 7Be Burden, g 259.784 19.9245 Sources, g d-1 32.3428 0.403161 stratosphere 0.122177 0.266858 troposphere 32.2206 0.136303 Sinks, g d-1 32.4485 0.403566 dry deposition 3.94971 0.00955045 wet deposition stratiform 20.0147 0.108970 convective 8.46232 0.0258063 radioactive decay 0.0218561 0.259240 Accumulation Term Initial mass, g 237.628 20.1646 Final mass, g 236.592 20.1662 Difference, g -1.03676 0.00159836