Environmental Engineering Reference
In-Depth Information
1E-4
1E-4
1E-5
1E-5
1E-6
1E-6
1E-7
1E-7
1E-8
1E-8
1E-9
1E-9
0
1
2
3
4
0
0.2
0.4
0.6
0.8
1
log
10
(h, cm)
Saturation degree, S
e
5
5
Sand
Silt
4
4
3
3
2
2
1
1
0
0
0
0.1
0.2
0.3
0.4
0.5
0
0.2
0.4
0.6
0.8
1
Water content,
θ
Saturation degree, S
e
Fig. 18.7
Hydraulic functions for a sand and a silt soil
z
-4 m
Soil surface
Reference level z = 0
h, z, H
z
H
h
h
Fig. 18.8
Va r i a t i o n o f t h e
components
h
and
z
of the
total head
H
along a vertical
profile of an unsaturated soil.
The total head
H
=−
H
z
Groundwater table
4m
everywhere
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