The impact of urban groundwater upon surface water - eTheses ...

Elevation of cell centre m.a.o.d
100
90
80
70
60
50
40
30
20
10
0
Specific discharge across the left (East) and right (West) hand boundaries of the
model under steady state conditions
Underflow to the flood plain
Flow through the deep
sandstone aquifer
Velocity ~0.05 md -1
Flow through the Drift
deposits
Velocity ~0.18 md -1
-0.01 0.01 0.03 0.05 0.07 0.09
Gravel
Sandstone
Specific discharge across boundary cell md -1
Figure 6.9a Specific discharge across the FAT3D model boundaries when gravel
Kx = 5 md -1
Weathered
sandstone
Conductivities Kx (md -1 )
Gravel 5
Weathered Sandstone 3
Sandstone 2
Eastern Boundary, R23
Western Boundary, R23