of magnitude, than stock of this radionuclide in deep water anoxic bottom sediments, Fig. 17.10 (Stokozov 2004). The relation of
137 Cs inventories under the unit
of area of the water column to the
137 Cs inventories in the unit square of the bottom
Fig. 17.9 Distribution of
137
Cs activity in the upper 5-cm layer of bottom sediments of the NW-W
part of the Black Sea in 1992–1994 years (x – samples sites of surface sediments: A–E – sample
sites of sediments cores) (Gulin et al. 2002; Polikarpov et al. 2008)
m
k
q
B
G
2
-
0,1
1
10
100
A
B
C
D
E
Danube
seashore
Dnieper
seashore
Continental
slope ~ 600 m
Continental
slope ~ 100 m
Deep-water
basin ~ 2000 m
Fig. 17.10 Inventories of
137
Cs in bottom sediments at the selected sites of the NW-W part of the
Black Sea (Stokozov 2004; Polikarpov et al. 2008)
17 Radionuclides
137
Cs and
90
Sr in Components of the Black Sea Ecosystems. . .
289