c. turcanu, g. olyslaegers cturcanu@sckcen · outline scope temperate environment, 3 types of soil...
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Environmental sensitivity
Temperate environment
C. Turcanu, G. Olyslaegers
Belgian Nuclear Research Centre SCK•CEN
Institute Environment, Health and Safety
EMRAS II TM, WG8
Vienna, Jan. 24-28, 2011 Copyright © 2011
SCK•CEN
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Outline
Scope
Temperate environment, 3 types of soil
Calculations
JRODOS
Considers foliar uptake, translocation, root uptake,
resuspension
1000 Bq/m2
– Spring (May 1st)
SCK•CEN Biosphere model (model runs by Geert
Olyslaegers)
Only suitable for up to 3 months after the deposition
time
Considers also leaching
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RODOS results (1)
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RODOS results (2)
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RODOS results (3)
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RODOS results (4)
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RODOS results (5)
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RODOS results (6)
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RODOS results (7)
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RODOS results (8)
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RODOS results (9)
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With wet deposition (1mm/h rain)
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With wet deposition (1mm/h rain)
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With wet deposition (1mm/h rain)
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RODOS results 1st year
I-131
Winter
wheat
Leafy
vegs Milk
adult Dose [microSv] Sandy 4.69E-04 2.79E+01 1.09E+01
Child 1y 1.05E-03 1.41E+02 2.17E+02
Clay 4.77E-04 2.84E+01 1.11E+01
1.07E-03 1.43E+02 2.21E+02
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RODOS results 2nd year
I-131
Winter
wheat
Leafy
vegs Milk
adult Dose [microSv] Sandy 3.88E-14 0.00E+00 1.33E-13
Child 1y 1.06E-14 0.00E+00 3.25E-13
Clay 3.95E-14 0.00E+00 1.36E-13
1.08E-14 0.00E+00 3.31E-13
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Sr-90
Winter
wheat
Leafy
vegs Milk
adult Dose [microSv] Sandy 1.32E+00 6.81E+01 3.07E+01
Child 1y 9.40E-01 1.10E+02 1.95E+02
Clay 1.32E+00 6.80E+01 3.07E+01
9.39E-01 1.09E+02 1.95E+02
RODOS results 1nd year
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Sr-90
Winter
wheat
Leafy
vegs Milk
adult Dose [microSv] Sandy 1.88E+00 2.28E+00 7.22E+00
Child 1y 5.14E-01 1.41E+00 1.76E+01
Clay 1.88E+00 2.28E+00 7.21E+00
5.13E-01 1.41E+00 1.76E+01
RODOS results 2nd year
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Cs-137
Winter
wheat
Leafy
vegs Milk
adult Dose [microSv] Sandy 4.64E+00 3.07E+01 2.58E+01
Child 1y 1.17E+00 1.75E+01 5.80E+01
Clay 4.62E+00 3.06E+01 2.57E+01
1.17E+00 1.74E+01 5.78E+01
RODOS results 1st year
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Cs-137
Winter
wheat
Leafy
vegs Milk
adult Dose [microSv] Sandy 2.36E+00 5.72E-02 4.08E+00
Child 1y 6.44E-01 3.53E-02 9.94E+00
Clay 2.35E+00 5.69E-02 4.07E+00
6.41E-01 3.51E-02 9.90E+00
RODOS results 2nd year
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SCK•CEN model Dose ratio for Cs-137 and Sr-90
0
0.0002
0.0004
0.0006
0.0008
1 815
22
29
36
43
50
57
64
71
78
85
92
99
Sand/Clay – 1, Cs-137
0
0.005
0.01
0.015
0.02
0.025
0.03
0.035
1 9
17
25
33
41
49
57
65
73
81
89
97
Sand/Clay-1, Sr-90
Days after deposition
Days after deposition
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SCK•CEN model Dose ratio for I-131
0
0.00002
0.00004
0.00006
0.00008
0.0001
0.00012
0.00014
0.000161 7
13
19
25
31
37
43
49
55
61
67
73
79
85
91
97
Sand/Clay - 1 I-131
Sand/Loam - 1 I-131
Days after deposition