C. Turcanu, G. Olyslaegers cturcanu@sckcen · Outline Scope Temperate environment, 3 types of soil...
Transcript of C. Turcanu, G. Olyslaegers cturcanu@sckcen · Outline Scope Temperate environment, 3 types of soil...
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
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
RODOS results (1)
RODOS results (2)
RODOS results (3)
RODOS results (4)
RODOS results (5)
RODOS results (6)
RODOS results (7)
RODOS results (8)
RODOS results (9)
With wet deposition (1mm/h rain)
With wet deposition (1mm/h rain)
With wet deposition (1mm/h rain)
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
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
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
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
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
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
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
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