7 ae #ue “és tape| Ly (1) the mezacou bpome cebzis waich does sot fall tne first few nocws 22 acsigneu C77 out locally in cue stvatouphere and 1% to tne tropusphere; ic assumea to ve CIJ% for Leua surface shotc ain 25% fo2 surface water shots anc 100% for aivy ohots; trovorpna ze; “2) ali kiioton Vnot. ace agssi.yned to the (4) it i: ascumed that the Latitudinal spread of txoposphevic bomb cioucs is onsy Ld degrees with a sharp step function ratner than a nocmal ervor curve divcribution and the <ecidence time for tunis FaiLout is taixen to be one month as described above. Or. the basis of tnese assumptions, knowin, tne yieids and types of vomb. Whicn nave veen fired, we estimate the total stratospheric inveutory anc on the pasis of various ,easonable st-ratospneric sesidence cline py -edict the sfvatospheric faliout over the earth's Tusface vain Fa.L. au averageu Latensity of Figuce 9 Vives the stratospnecic inventory for strontium-92 as Geauceda in this maine: up to January 1, 1959, calculated on the vasis of two av vumecs cesider.ce times 5 and It is interectinu, to note the tremendous vise in Octover of last yeac due to the xussian test o SL LRA'S ix. the polar rezions. ‘bout a 69% increase due to ain ercimated 25 me,,atons, of fiesion injected iato tne ctratosphere in tnat one month. Tai. makes "oO oesible a searcning test of ali tne theories of stratospheric te

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