1.0 0.9 Top L yd top @ VALUE COMPUTED USING . + | WALNUT 6.5 HR Mo? TO Kr98 RATIO WATER SURFACE (~58,000') 0.8 4 FRACTION OF Cs"37 In CLOUD 0.7 N \ 0.6 ° OAK eT REEF (~56,000') X ‘ \N 0.3 —— mt KOA LAND SURFACE (60,000') 0.2 0.1 ee aey ee —+ ia O nt 0 2 4 6 8 10 12 14 #16 %18@ 20 22 24 26 28 30 TIME SINCE DETONATION (HR) Figure 3.3 Fraction of total Ca!” formed that remains aloft at various times. 50 } 4 ar— S/ _ Lele ete ou?