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

River Discharge (m 3 s -1 )
Depth of Piezometer Tip below River Bed (m)
4.7
4.2
3.7
3.2
2.7
2.2
1.7
Carboniferous
Coal Measures
23/05/00
02/06/00
22/05/01
23/05/01
07/07/1999*1
20/07/1999*1
27/07/1999*1
06/07/2000*2
11/07/2000*2
10/08/2000*2
*1 Clay 1999
*2 Knowles 2000
Triassic
Sandstone
23/05/00
y = 0.0001x + 1.4887
y = 6E-05x + 1.3261
y = 3E-05x + 1.1252
1.2
0 5000 10000 15000 20000 25000
Distance Downstream from Bescot Gauging Station (m)
23/05/01
27/07/99
Figure 5.8 Dry weather discharge accretion along the River Tame.
Mercia
Mudstone
Head of Piezometer above River Stage (m)
-0.04 -0.02 0 0.02 0.04 0.06 0.08 0.1 0.12 0.14 0.16
0
0.2
0.4
0.6
0.8
1
1.2
1.4
The multilevel data
refers to 3 distinct
lateral positions across
the channel at profile 8
All data
Eastern Multilevel
Central Multilevel
Western
Figure 5.9 Variation in the difference in head between the river and the riverbedpiezometers
with depth.