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Table 6.9 Distribution of radionuclear pollution in the arctic aquatories 30 and 50 years after t 0
(in percent)
Aquatory (see Table 6.5 )
ʓ
N BK
∇∧
ESX
ʦ
U
30 years after t 0
z
1km
00963437818
z > 1 km
49
39
29
52
26
54
54
39
39
34
29
Bottom
1
1
2
2
1
2
3
4
3
3
3
50 years after t 0
z
1km
57060092980
z > 1 km
30
38
24
27
21
47
46
32
37
34
26
Bottom
5
5
6
7
9
3
5
6
4
8
4
Table 6.10 A portion of the simulation experiment results using the SSMAE for the estimation of
the vertical distribution of radionuclides in the Arctic Basin
Aquatory
Season
Winter
Spring
Summer
Fall
˄
˄
˄
˄
w
s
u
a
ʾ
Greenland Sea 3.2 2 8.4 10 5.7 5 6.3 5
Norwegian Sea 2.9 2 7.8 9 5.9 5 6.7 6
Barents Sea 2.1 1 8.9 11 6.8 6 7.1 6
Kara Sea 2.4 1 9.2 12 5.3 5 6 5
White Sea 2.2 1 7.6 9 6.3 6 6.4 5
Laptev Sea 0.9 1 2.4 4 1.3 2 1.4 2
E. Siberian Sea 1.3 1 2.7 4 1.9 3 2.1 3
Bering Sea 2.5 2 7.1 9 3.9 4 5.3 4.0
Chukchi Sea 2.3 2 6.9 8 4.1 4 5.1 4
Beaufort Sea 1.9 2 5.7 7 4.8 4 4.9 4
Central Basin 1 1 1.7 2 1.5 2 1.6 2
Average value 2.1 1.5 6.2 7.7 4.3 4.2 4.8 4
The contribution of ecological processes to the formation of the vertical distribution in the
radionuclide content of the water is represented by the parameter ʾ (%). The average content of the
phytoplankton biomass is represented by the parameter p w (g/m 2 )
p w
ʾ
p w
ʾ
p w
ʾ
p w
The aquatories of the White, Laptev, East-Siberian, and Chukchi Seas are
subject to visible variations in the radio nuclear pollution. An accumulation of
radionuclides is observed in the Central aquatory of the Arctic Basin. The aqua-
geosystems of the Greenland and Kara Seas have some conservative character,
leading to buildup of radio nuclear pollution, but in the Norwegian Sea there is even
a decrease in the pollution level.
A somewhat stable situation is observed in the vertical distribution of the ra-
dionuclides. It is generally achieved during 5
7 years following the initial moment
t 0 with the exception of the East-Siberian, Laptev and Kara Seas where the
-
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