Post on 08-Mar-2021
242013 1 16
1
22
1
••
23
•
•
24
2
24
(ICRP Publication 101, 57 )
ICRP Publ.101 Fig.2.1
••
25
3
26
••
•
~
2011 3 15
•
•
2071 3 15
2011 3 11
(1 )
(1 )
( )
2012 3 15
1/2 27
137Cs
ACs-137
Xi =Ci ACs-137
Vi
Vii
Ai = Ci A137-CsCi
137Cs
( )
4
28
Ci A137-CsCi A137-Cs
Ci A137-Cs
Vi
1.4 2.2 0.9
2 ( ) 1.5 5035% 65%
Vi
30 kBq/m2 0.07 m s-1 0.01 m s-1
30 kBq/m2 0.01 m s-1 0.001 m s-1
Ci A137-Cs
Vi
GM(MBq m-2) GSD
38 0.14 1.87
60 0.13 1.94
94 0.13 2.13
82 0.12 2.00
118 0.07 2.71
109 0.04 2.81
31 0.02 1.48
9 1.53 3.67
14 1.23 3.90
38 0.95 4.02
16 0.92 2.61
53 0.61 1.77
16 0.60 2.90
18 0.26 1.94
78 0.11 2.81
37 0.10 2.42
14 0.07 1.77
2 0.01 1.34
266 0.02 2.14
137Cs 29
137Cs (MBq/m2)
( )
0
5
10
15
20
25
30
35
40
45
-0.1 0.1- 0.2- 0.3- 0.4- 0.5- 0.6- 0.7- 0.8-
137Cs (MBq/m2)
0
0.2
0.4
0.6
0.8
1
, “ ( 134 137) ,”7 ,
7-1 (2011)
30 kBq/m2
5
(60 ) (65 )(53 ) JA (60 )
2012 2 ( 2012 2 ~4 )
210
(2012 2 )
211
~2 2~ 4~ 6~ 8~ 10~ 12~ 14~
60
50
40
30
20
10
0
1 ( )~2 2~ 4~ 6~ 8~ 10~ 12~ 14~
60
50
40
30
20
10
1 ( )
2 3 4
GM 0.41 0.56 0.82 0.57
GSD 3.72 3.48 2.65 3.28
2 3 4
GM 0.96 1.28 1.68 1.27
GSD 3.64 4.28 2.19 3.37
0
234
234
6
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.0 0.5 1.0 1.5 2.0
( Sv h-1)
(Sv
h-1 )
H*in = 0.26 H*
out + 0.11
212
( 1 m )1.2 m ( 1 m )
Na(TI) TCS171B194 5 16
( Sv h-1)
0
20
40
60
80
100
120
140
GM ( Sv h-1)
0.210.35
)
213
137Cs (1)
(2)
(2,3) ( 1.550 2 )
(3)(
1.42.2 0.9 )
(2) 30kBq/m2
VI-131=0.07 m/s, Vother=0.01 m/sVI-131=0.01 m/s, Vother=0.001 m/s
: GM = 0.57 h, GSD = 3.28: AM = 6.97 h, SD = 2.90: GM = 1.27 h, GSD = 3.37
(4) 22.2 L/d
(5)
6)
(4)
(1) , “ ( 134 137) ,”7 ,
7-1 (2012)(2) WHO, “Preliminary dose estimation from the nuclear accident after
the 2011 Great East Japan Earthquake and Tsunami,” (2012)(3) Golikov V. Yu. et al., “External exposure of the population living in
areas of Russia contaminated due to the Chernobyl accident,” Radiatand Environ Biophys. 41, pp 185-193(2002).
(4) ICRP Publication 71 (1995)(5) , “ ”(6) EPA Federal Guidance Report No.12 (1993)
132I 140La
(3 15137Cs )
131I 11.7132I *
132Te 8.0134Cs 0.94136Cs 0.2137Cs 1.0140Ba 0.1140La *
110mAg 0.01129mTe 1.5
7
0
10
20
30
40
50
214
1(m
Sv)
1)
2)0.6~0.7
3) WHO )
4)
50%
95%
WHO
) WHO, “Preliminary dose estimation from the nuclear accident after the 2011 Great East Japan Earthquake and Tsunami,” (2012)
1 10~50mSv1~10mSv
11.5~2
215
0% 20% 40% 60% 80% 100%
(1)
(2)
1 60%~80%1 60%~80%
3 15
0% 20% 40% 60% 80% 100%
(1)
(2)
8
216
0% 20% 40% 60% 80% 100%
(1)
(2)
0% 20% 40% 60% 80% 100%
(1)
(2)
90% % 10%
217
0
10
20
30
40
50
(mSv
)
6095% 30mSv 25mSv 5.5mSv
3 1 1
1)
2)0.6~0.7
50%
95%
1
9
218
1 10~50mSv1~10mSv
90% % 10%
3 1 1
219
10
220
No. 1 2 3
13
14
15
16
17
18
Golikov et al., 2002, Radiat. Environ. Biophys. (41), pp 185~193.
0.0
0.5
1.0
0 1 2 3 4 5
virgin landdirt surfacesasphalt
JA
221
11
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.0 0.5 1.0 1.5 2.0
Hout Sv/h
1
2 1.2m
Hin
Sv/h
Hin = 0.26 Hout + 0.11
Hout = Ha,out + Hn,out
Hin = s Ha,out + Ha,in + Hn,in
s :Ha,out :Ha,in :Hn,out :Hn,in :
Ha,in
222
0.0
0.3
0.6
0.9
1.2
3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9
222
(mSv
)
1)2)
50%
95%
2011 2012
JA 113 ~42PDM-122 SZ
12