STATUS OF GLOBAL FALLOUT PREDICTIONS
379
Table 1—GLOBAL "Sr INVENTORY, MEGACURIES
May
~Stratosphere
Northern hemisphere
To 21 km
21 to 30 km
Southern hemisphere
To 21 km
21 to 30 km
Troposphere
—
Total in atmosphere
To 30 km
Worldwide deposition
Estimated local fallout
Total
’
Cumulative production
1960
1961
May
April
January
January
0.25
0.25
0.22
0,12
1.11
0.13
4,51
1.21
2.7
0.7
0.25
0.19
0.26
0.21
0.42
0.4
0.12
0.05
0.10
0.2
0.03
0.03
0.16
0.32
0.3
1.0
4.3
2.6
0.8
4.5
2.5
1.7
5.1
2.5
6.6
5.8
2.4
4.3
7.9
2.4
7.9
7.8
9.3
14.8
14.6
8.8
8.5
11.1
19.1
18.6
1962
1963
1964
Table 2—GLOBAL EXCESS 44C INVENTORY,* 1027 ATOMS
November
1960
May to
June 1961
2.0
2.4
March to
April 1963
July
1963
December to
January 1964
14,2
14.8
13.4
Stratosphere
Northern hemisphere
To 21 km
21 to 30 km
Southern hemisphere
To 21 km
21 to 30 km
.
:
1.2
1.7
Total
Cumulative production
6.5
4.6
(1.5)
(1.3) . (1.3)
2.3
4.1
(1.9)
10.5
11.8
24.5
28.4
28.1
19.1
48.3
12,1
13.4
16.2
21,4
25.3
60.4
«68.5
69.4"
24.3
24.3
91.7
91.7
91.7
§.1
1.7
6.0
(0.9)
Totalin atmosphere ~
:
To 30 km’
16.3 .
Oceanic uptake
1.7
6.2
55.1
*Parentheses denote estimates where there were no observations.
3.5
51.5