Preferential Flow and Migration Zones in Geological Environment - Groundwater Vulnerability: Chernobyl Nuclear Disaster - page 55

(A)

803

438

256

219

211

89

80

33 25

(B)

C D

D C

B

B

3.87 m

A

132 m

(C)

3.15

Date:
1.07
6.09
4.05
29.03
1.06
4.11
19.04

3.25

3.35

3.45

Figure 3.12 Average annual infiltration and variations of groundwater levels in the depres-
sion at observation plot Stary Shepelichi (CEZ): (A) infiltration rate (mm/year); (B) land
surface profile; (C) groundwater level variation. Depression concentric zones: ( A ) central
active; ( B ) intermediate; ( C ) slope; ( D ) background.

(A) (B)

20 kV × 350 50 μ m 10 50 SEI 20 kV × 330 50 μm 10 50 SEI

Figure 3.13 Morphology of elementary rock particles by electron microscopy: (left)
background zone of a depression; (right) active zone (Liutezh experimental plot).