190
5
FOOTE
3.0
rr
Lu
zz
0.19 IN. RAIN
<4
ea
“*
0.07 IN. RAIN
5S 20 |22
8 fF
>.
a4
IN. RAIN
<U
Lint
59
z
Oo
—
6
y
1.0
09
0.8
<
oc
a
(3031123 45 6 7 8 F 101112 13 14 15 1617 18 19 20 21 22 23 24 25 26 27 28 29 30
JUNE
FRACTION OF AMOUNT PRESENT ON DEC. 22, 1962
Fig. 8—Bismuth-214 effective surface amounts as a function of time,
1964,
SNOW COVER
7.4 1N. SNOW
1.33 IN. MOISTURE
1.5
1.0.
123
4
5
6
7
8
9 10 1112 13 14 15 16 17 18 19 20 23 22 23 24 25 26 27 28 29 303)
JANUARY
3.0
SNOW COVER
“EDT
Bp
Ea
7.4 1N. SNOW
|,
2.0 Panter eer Hepa
1.0
tn
-
|
1.5 F
:
.
| 1.33 IN. MOISTURE,
:
Eh A
1234
We,
|
|.
|
pntaeanatyoe
1.28 IN. <!
LMS
ete
:
B
5 6 7 8 9% 10 111213 1415 1617 18 19 20 21 22 23 24 25 26 27 28 29 3031
JANUARY
Fig. 9—Thallinm-208 and cestum-137 effective surface amounts as a
junction of time, 1964,
0.60-Mev photopeaks of **°Sb appear. The '**Sb field calibration stan-
dard is shown in Fig. 12. The removal of '*°Sb amounts from the data
of Fig. 9 leaves the photopeakat 0.51 Mev, as Shownin Fig. 13. At this
point it is difficult to determine the balance of inputs where 103Ru,
106Rh, and annihilation radiation may exist in large or small amounts.
Figure 14 indicates the field spectral shapes for 035Ru, 106Rh, and
annihilation radiation.