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24
25 5 15
11
Cs /
22
Bq/kg50
Bq/kg50
4040
3030
7 20
37
20
13CsC
1010
001960 1970 1980 1990 2000 2010
33
44
CsCs
CsCs
CsCs
CCs
CCsCsCs
55
4d 4dm
2/m
q/
Bq
33
22
1
5 15%5~15%00
J F M A M J J A S O N D J F M A M J J A S O N D1 Jan 2 Apr 2 Jul 1 Oct 1 Jan 1 Apr 1 Jul 1 Oct 31 DecJ F M A M J J A S O N D J F M A M J J A S O N D1 Jan 2 Apr 2 Jul 1 Oct 1 Jan 1 Apr 1 Jul 1 Oct 31 Dec2011 2012————— 2011 ————— — 2012 —
66
77
88
99
y = 1160ln(x) 8740y = 1160ln(x) 8740R² = 0 667R = 0.667
y = 752ln(x) 5620y = 752ln(x) 5620R² 0 540R² = 0.540
1010
1111
1212
1313
2
1
4
3
6
5
8
7
10
9
12
11
14
13
16
15
17
11
( )( )( )( )
( )( )( )( )
( )( )( ) ( ) ( )( ) ( ) ( )( ) ( ) ( )( ) ( )( ) ( )
22
1 23 8 31 23 8 32 23 9 93 23 9 123 23 9 124 23 10 134 23 10 13
23 10 29 3023 10 29 305 23 12 95 23 12 9
24 3 8 1024 3 8 10
1 24 8 924 10 20 2124 10 20 21
2 24 10 292 24 10 293 25 2 203 25 2 20
33
23 2423 24
23 4 14 25 4 3023 4 14 25 4 3023 4 1423 4 14
8kg/10a 16kg/10a8kg/10a 16kg/10a23 6 24
35 2kg /10a35 2kg /10a24 24 4 100
25mg/100g25mg/100g4kg/10a 45 154kg/10a 45 15
1 24 3 26 )1 24 3 26 )
2 25 3 29 )2 25 3 29 )
44
( /k ) (Bq/kg)
500(Bq/kg) (Bq/kg)
500
60 00060,000
40040050,000,
40 000 30040,000
30,000200
30,000200
20 00020,000
10010010 00010,000
00
20112011
60 000Bq/kg 100Bq/kg60,000Bq/kg 100Bq/kg
55
66
12 2 12 12
77
( )( ) 23 12 25( )http://www pref fukushima jp/keieishien/kenkyuukaihatu/gijyutsufukyuu/05gensiryoku/240112 tyukan pdfhttp://www.pref.fukushima.jp/keieishien/kenkyuukaihatu/gijyutsufukyuu/05gensiryoku/240112_tyukan.pdf
88
[ ][ ]
99
1010
1,200250
1 0001,000
g) H23 A200 q/
kg H23 A
(Bq
H24 B800 H24 B
150 H24 C150
600600
100100400
50 20050 200
00 0 20 40 60 80
(mg K2O/100g)( g 2 / g)
1111
m2
Bqm
B37Cs
13
60
50
40
30
2020
1010
00
1212
2525
2000g)
20
0/10
gK20
(mg
15
10
55
00
1313
290290300
250
200200
150150
100100
61 56
36
56
5027 30 24
365024
2 2 92 200
0 1 1 0 10 0 0 3 1 40.1Bq/L
1.0Bq/L
10.0Bq/L
0.3Bq/L
1.4Bq/LBq/L Bq/L Bq/L Bq/L Bq/L
1414
25 025.0
20 020.0
15.0
10.0
5.0
0.0
1515
1616
1717
2011 4 40 km NPO
2704
2011 5NPO 4
80 2011 5
2012 82014 4
2013 4 200 400
1 11 1
2011 12 2012 2 2012 7 2012 12 2013 1 2013
2 2013 2 9 300
Ustream http://www.ustream.tv/recorded/29137292
2013 4
1200 1 cm 1 m
1 1
1 m
4. 2012 82011 8
2011 9 6 400 mA 97
95
2011 12 2012 10
2013 5 8
2011 6 4 4
2012 162011 9 23
kg 500
2011 2012 a.
b.2012c. d.
2012 e.20129 10. 2011 2012
( 20 mg )11
2012 4
12 13 Cs 14Cs
0.001
2 115 1030
1 kg 34 212
900 mm1kg 212
300 1 kg 1507600
22002012
300
10 0.5
30 40
5 52013
NPO15
2011 3
2012 847 100 Bq/kg1 97.5 25 Bq/kg 58 100 Bq/kg 1
25 Bq/kg 46.6 24 100 Bq/kg25 Bq/kg 83.3 10 Bq/kg
N.D. 86.7 68.9
5 Bq/kg2012
92 85
NPO
5 Bq/kg
16.
JA 2013 32014
2005 NPO
NPO 366
CSO 2013
2012 6 11[ 2008]
1
2
3
2011 3
1299 100 2011
2011
72011
7 92011
123-152 22012
11 2011
49 2012
49 2012
Soil radiocesium distribution in rice fields disturbed by farming process after the Fukushima Dai-ichi Nuclear Power Plant accident, Science of the Total Environment Vol438,242-247(2012)
103 122 72012
No282 91-97 (2012)
Vol4 12-15(2012) Radio-cedium accumulation during decomposition of leaf litter in a deciduous forest after the Fukushima NPP accident, Geophysical Research Abstracts,Vol.15 2013
CSO 2013
6 2013 7 2013
270 2011 5
http://www.touwanosato.net/kyougikai-p.html 270 2011 9
2013 2 9 250 Ustream http://www.ustream.tv/recorded/29137292
2013 2 11
http://www.new-fukushima.jp/
2012 4 17 2012 6 20 http://www.nhk.or.jp/gendai/kiroku/detail_3216.html 2012 12 1 ARTE http://www.arte.tv/fr/japon-terres-souillees/7092024,CmC=7092028.html 2013 2 4 2http://www.tuf.co.jp/channel/pg.cgi?id=112 2013 3 10 19 20 20 00
http://www.nhk.or.jp/radiosp/kibounotane/ 2013 3 17 http://www.yomiuri.co.jp/e-japan/niigata/feature/niigata1304178587046_02/index.htm
2
1
1 2011 2012270
400
4
3
2011 2012RI
(
6
5
8
7
10
9
12
11
14
13
16
15
18
17
20
19
21
1
22
33
44
24 23500
41 60 4 5200 kg/10a 55
55200 g/
1 7 8 557 8
8 400 / kg 1515 100
1 55 14 100
1450
100134
100 14 8 400 152 1
4 5 37 39 10079
7
500100 10 mg
15 mg 500
20 mg 12 15mg
21 2 8 7
1 1 8
137Cs 134Cs Bq/Kg
15 100
14100
137Cs 134Cs Bq/Kg
15 100
14100
14
1
1100
100
24 12 1
7% 7,300 ha 241986
70
Cs+ K+ NH4+
Cs 5,000 Bq/kgCs
Cs133Cs
Cs
Cs 1962Cs K K
24Cs
1/5000a K2O 2550 kg/10a 133Cs 1/12
Cs
1977CEC
K+ NH4+
Cs24
Cs
0.2 1 t/10a 1 t/10a 133Cs 1/3 Cs
0
1
2
3
4
5
6
7
8
9
(25) (50) (25) (50)
133Cs
133 Cs
(g/po
t)
a a a
b
ND ND ND
( =0.05, n=3 Tukey )
a
2012 3 24 13015 ha 24
12620.8 km
Cs 1,475 Bq/kgK2O 17 mg/100g CEC 14 meq/100g 30 a
5 kg/10a30 kg/10a 2 2012 2
1 t/10a 2 t/10a3 2012 5 ( ) 9 1 3
Cs 17 Bq/kg
5 6 Bq/kg
Cs
NH4+ K+ CsCs
0
20
40
60
80
100
0 5 10 15 20 25 30 35
(meq/100g)
()
CEC
(%)= K O /K O 100
CEC K2O0 50 100 mg/100g 5
80K2O
CEC 20 meq/100g
0.2 1.0 10
K+
CECK+
0
2
4
6
8
10
12
14
16
18
1t/10a 2t/10a
(Bq/kg)
b
b
baa a
0
2
4
6
8
10
12
14
16
18
1t/10a
2t/10a(Bq/kg)
b
a a aa
c
( =0.25, n=3 Tukey )
0
20
40
60
80
100
CEC 8 CEC 13 CEC 29
(%)
0 0.2 1 10
b bb b b b
a a a
c c c
0
20
40
60
80
100
CEC 8 CEC 13 CEC 29
(%)
a a
b
cc
ab
c
d
a ab
CEC( =0.05, n=3 Tukey )
(%)= K O /K O 100(%)= K O /K O 100
t/10a)
2013 1
Cs NH4+, K+
Cs Cs
CEC 20 meq/100g NH4+, K+
0.5 1 t/10a
3.112011 9 (
500 1.000 Bq/kg) 2012 9 1.7 ha 10
2011 6
N
NH4+
CsNH4
+
NH4+
10 cm
240 mg/100g 100 mg/100g
250
100mg/100g 5460 ha 2012 10
40K
40K
40K 16,000 Bq/kg
40K
3.11 25
20 km
11
22
0
100
200
300
400
500600
700
800
900
1,000
1,100
25 25 50 50 75 75 100 100
Bq/kg
10,034,956 24 12
71(0.0007%)
1,669(0.017%)
389(0.004%)
19,928(0.20%)
10,012,899(99.8%)
1.7%(364) 1.0%
(219)0.89%(189) 0.32%
(67)0.26%(55)
0.04%(1,100)
0.01%(304)
0.001%(36)
0.0003%(9)
0.0004%(11)
0
5
100
50 50 75 75 100 100 150 150 200 200
()
Bq/kg
99.95%(2,989,264)
95.8%(20,295)
23 21,18924 2,990,724 24 12
50Bq/kg23 4.219 %24 0.047 % 100Bq/kg
23 1.468 %24 0.002 %
2
0
20
40
60
80
100
120
140
0 2,500 5,000 7,500 10,000 12,500
(Bq/
kg F
W)
(Bq/kg DW)
3
0
200
400
600
800
1,000
1,200
0 20 40 60 80
(Bq/
kg)
(mgK2O/100g)
H23 AH24 BH24 C
0
5
10
15
20
25
(mgK2
0/10
0g)
4
137 C
sBq
m-2
5
0
50
100
150
200
250
6
0
10
20
30
40
50
60
0
5
10
15
20
25
7
8
0
10
20
30
40
50
0 5 10 15 20 25
50
60
70
80
90
100
110
0.01 0.1 1 10
(%)
0.0 10.0 %
10.0 20.0 %
20.0 30.0 %30.0 40.0 %
40.0 50.0 %
50.0 77.0 %
9
10
0
0.01
0.02
0.03
0.04
0 10 20 30 40mg/100g
0.727***
11
RIP mmol/kg
y = 0.0401e-3E-04x
R² = 0.509
0
0.02
0.04
0.06
0.08
0 2000 4000 6000 8000
0 10000 20000 30000
10-15cm
7.5-10cm
5-7.5cm
2.5-5cm
0-2.5cm
Bq/kg0 5000 10000 15000
10-15cm
7.5-10cm
5-7.5cm
2.5-5cm
0-2.5cm
Bq/
12
10-15
7.5 -10
5 - 7.5
2.5 - 5
0 – 2.5
0 10,000 20,000 30,000
13
Cs
Cs
CsCs
Bq/L
02468
101214
3/1 4/1 5/1 6/1 7/1 8/1 9/1 10/1
14
73(96%
1(1%)
2(2%)
79(92%)
2(2%) 2
(2%)1
(1%)1
(1%)1
(1%)
85(97%)
1(1%)
2(2%)
0102030405060708090
2.0 2.0 2.9 3.0 3.9 4.0 4.9 5.0 9.9 10 14.9
15
16
0
100
200
300
400
500
5 kg/10aCs5 kg/10a
Cs30 kg/10a
Cs5 kg/10a
1 t/10a
17
27 30
61
290
2436
2 2 9
56
0
50
100
150
200
250
300
0.1Bq/L
1.0Bq/L
10.0Bq/L
0.3Bq/L
1.4Bq/L
18
19
3
20
0
2
4
6
8
10
12
1 15 29 43 57 71 85 99 113
Bq/
)
0 14 28 42 56 70 84 98 112
0.00
0.01
0.02
0.03
0.04
3 3
25 3
( )
( )
24
24
24 17100 B q/kg 0.5%
50 B q/kg 96.6
24
24 50 B q/K g
25 3 19
1
0123456789
10
477
B q/kg
90 100
2.3%(11)
97.7%(466)
0123456789
10
963
B q/kg
90 100
3.3%(32)
96.7%(931)
0
1
2
3
4
5
6
7
8
9
10
477
B q/kg
90
100
6.1%(29)
0.4%(2)
0.4%(2)
93.1%(444)
0123456789
10
245
4.1%(10)
B q/kg
90 100
5.3%(13)
1%(2)
89.9%(222)
24
30 m g 2 /100 g
30 m g 2 /100 g
24 A B C D
B B0.7994 0.6014
17. 9% 2. 9 8. 3%
50 m g 2 /100 g
0
50
100
150
200
250
0 10 20 30 40 50 60 70(mg K2O/100g)
0
0.2
0.4
0.6
0.8
0 10 20 30 40 50 60 70(mg K2O/100g)
0
100
200
300
400
0 10 20 30 40 50 60
(mg K2O/100g)
y = 86250x-2.43
R² = 0.8092
Bq/
kg DW)
Bq/
kg DW)
mg K2O/100 g mg K2O/100 g
mg K2O/100 g
[ 2002. .
(43), 107-108 ]
k2o
H
H H O 6.0 6.5
24 pH
H 6.0 pH 6.0 6.5
pH
25 m g K 2O /100 gC D
pH 6.0 6.5
0
5
10
15
20
25
5.0 5.5 6.0 6.5 7.0pH
Bq/kg
FW)
30cm
23
15cm30cm
0 1000 2000
25-30
20-25
15-20
10-15
5-10
0-5
B q/kg
0 1000 2000
25-30
20-25
15-20
10-15
5-10
0-5
B q/kg
0 1000 2000 3000 4000 5000 6000
25-30
20-25
15-20
10-15
5-10
0-5
B q/kg
30cm
M urakam i 2002 S oil S cience and P lant N utrition 48 609-613
0-10
10-20
20-30
30-40
0.0 2.0 4.0 6.00.0 10 20
(cm)
(cm)(mm)
1cm3
0
20
40
60
80
12 4 3
10%
2
D(Bq/
kg DW
)
40 B q/kg110 B q/kg 73 B q/kg
100 B q/kg
120 B q/kg 20 B q/kg
pH
pH
C s(B q/kg) C s
(B q/kg)
C s
(%)
100m g K 2O
(m g) (
%) pH
(%) (cm )
240.0 371 28.3 6.8 17.6 5.5 2.1 15
120.0 72 20.7 11.9 × 19.9 6.3 4.0 15
113.8 1,558 4.0 15.2 × 19.2 6.3 1.2
110.0 401 6.7 15.4 19.8 5.8 5.4 10
86.9 157 12.1 10.5 × 21.9 6 6.6 17
79.6 1,113 2.9 17.0 × 21.4 5.6 12.3
62.8 1,100 6.8 16.0 × 12.1 6.3 2.8 21
30 m g K 2O /100 g
30 m g K 2O /100 g
50 m g K 2O /100 g
H H6.0 6.5
30
25
25
