.
(
foveisn -oil camples having deen taken ir. the same -atituse
banu and at the vame time.
It is clear that the difference is
Large and amount. to about 11.4 miliicuries per square mile
WisiCii Correspor.d. to some 34yu kiloton: of loca: fizsion failout
aoo
ove. the avea of the United States, a reasonabie figure.
In
ucnec words tie vuarp divirion between iocai and worid-wide faiiout is probaviy comewuat artificial ad tne United States tert
ite bein, close to many of the wampling..station. in the
Uuiitead States has caused the United States data to be nigh as
compared to the worid-wide average.
nerefore, in comparir.
che cuesceticariy predicted fal.out with obsezvation we choose
Fo. vainfati, nowever, it ic
fe
not necessary to do this at times when no firin, is yoing on
[rte
co ure only foreizr voit data.
fh
Hevaca ana the Nevada test tropospheric material has veen
xemsved from tne atmocphere.
So, the data which are of principal
uce in measuring the total inte,rated fallout, are the foreign
~Osi gamples.
Thic does not mean to say that the soil data in
cne United Staces snouid not correlate with the rain faliouc
data ard, im fact they ao, as Figure 15 shows, which presentc
the compiete cevie. of Pittsburga cainfaii data,atogether with
cue Ui.cteu States aveca.e soii uata as a function of time
coLetner witn cne cheoretical fo. the overlap of the two bande
at 39° to 40° from the United States tests in Nevada and 30°
co 59° From the Russian mid-iactitude test site.
.
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