918
HUFF
20,000
/
20,000
10,000 --
eS
T
e
T
°
e
e
e
5000 Ke
4
®
e
3,000
0.03
0.5
0.05
20,000
10,000
10,000k
5,000 [MEAN BETA CONCENTRATION, PC/LITER
1,000
(b)
e
e
.
{__
0.2
1.0
r
.
°°
(d)
e
3.0
>
e®
5,000 -
2,000 F-
‘.,
e
=
e
e
2,000
0.05
500
0.01
10,000
l
0.2
l
0.5
3,000 Fe
(e)
20,000 F-
L
0.1
|
1.0
(f) 7]
6
%
1,000 F
—
°
.
4
e
6
3,000 F-
eo
500
*
6
4
@
e
eo
2,000 F-
®
1,000
0.1
3.0
0.5
2,000
2,000
e
200
1.0
|
1,000 F-
2.0
I
..
ee
e
°.
600 F—-
5.0
I
(h)
e
e
4
=
e
500
0.1
0.3
1.0
3.0
0.1
TOTAL STORM RAINFALL, IN.
0.2
5.0
1.0
Fig. 3—Relation between gross beta concentration and storm rainfall
in selected 1963 storms. (a) Pre-cold frontal rainfall on April 17; (b)
low center passage on April 22;(c) post-cold frontal rainfall on May 28;
(d) pre-cold frontal squall line on June 10; (e) air-mass showers on
July 1; (f) stationary-front rainfall on July 6; (g) warm frontal rainfall
on August 6; and (h) warm frontal rainfall on August 28.
3.0