Pic¢g Jlddl y ~ VALUE COMPUTED USING 65 HR Mo2? TO Kr88 RATIO 0.9 RFACE MT (~ 58,000’) 0.8 0.4 [> REEF MT (~56,000°) Zo FRACTION OF Cs'37 IN CLOUD oO Oo un on 0.7 ‘om A awSS ~N LAND SURFACE MT (60,000') 0.3 Lee tT LT 02 Ln 0.1. © J | |__| an 0 2 6 8 10 | 12 14 #16 #=18 #20 22 24 #26 28 30 TIME SINCE DETONATICN (HR) 78,