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

Head in P10 (m.a.o.d)
91.1
91.05
91
90.95
90.9
90.85
90.8
A comparison of modelled (Erfc) and recorded head variations in piezometer P10
(13.27m from the bank) during a river flood event .
90.75
90.2
06/03/01 00:00 07/03/01 00:00 08/03/01 00:00 09/03/01 00:00 10/03/01 00:00 11/03/01 00:00
Time
Figure 6.16a Results of the transient analytical modelling of the hydrograph of Piezometer
P10 (6/3/01)
Head in P11 (m.a.o.d)
91
90.95
90.9
90.85
90.8
90.75
P10 Actual
P10 Model
Model river input
Model best fit with
S/T = 0.000399
A comparison of modelled (Erfc) and recorded head variations in piezometer P11 (8.9
m from the bank) during a river flood event .
Actual P11
Model P11
Model river input
Best fit for model with
S/T = 0.001934
90.7
90.2
06/03/01 00:00 07/03/01 00:00 08/03/01 00:00 09/03/01 00:00 10/03/01 00:00 11/03/01 00:00
Time
Figure 6.16b Results of the transient analytical modelling of the hydrograph of Piezometer
P11 (6/3/01)
90.8
90.7
90.6
90.5
90.4
90.3
90.8
90.7
90.6
90.5
90.4
90.3
Model river input (m.a.o.d.)
Model river input (m.a.o.d.)