ABSTRACT
Attributes dialog box 106 2.51 Assigning layers to boreholes via the Geology Layer
manager command 107 2.52 Parameters for the triangulation of geology data 109 2.53 An example of two simple geological solids created from
geology layers in four boreholes positioned at four corners of a rectangular area 109
2.54 Grow menu commands 110 2.55 SceneGraph window showing all available objects under the
Grow-Graph node and a model window showing an example of a boundary line for defining the modelling domain 111
2.56 Grow Topsoil (soil) types and Grow Aquifer (soil) types dialog boxes 112
2.57 Assigning ‘types’ to the topsoil solid and aquifer solid 113 2.58 Results of a simulation using the UNSAT model 115 2.59 Urban water network elements in SceneGraph, as branch
nodes of the GROW node 115 2.60 Mesh element in the GROW model 116 2.61 Parameters for the triangulation of the finite-element mesh for
GROW 116 2.62 Triangulating the model domain 117 2.63 Defining vertical water balance input data for each mesh element 118 2.64 Editing a mesh element and viewing its attributes 119 2.65 Simulation of groundwater flow affected by leakage from a
water supply pipe and discharge from a well in the centre of the modelling domain 120
2.66 Example of a simulation of groundwater head at a selected mesh point 121
2.67 Global water balance results 121 2.68 Results of implementing the pathline algorithm 122 3.1 Geographical setting 128 3.2 Hydrogeological setting in Rastatt 128
3.3 Total water balance calculated for the densely populated Rastatt-Danziger Strasse catchment using the UVQ model 130
3.4 UGROW base map and digital terrain model 131 3.5 FEFLOW® model and sewage network 132 3.6 Hydrogeological conceptualization for a single aquifer in
UGROW and a multi-layered aquifer system 133 3.7 Boundary conditions, extension of the geology solid and
polygons specifying surface characteristics 134 3.8 Detailed surface sealing map showing % of sealed surface 135 3.9 Simplified surface sealing map for the UGROW modelling
exercise 135 3.10 Sewer network in Rastatt including major sewer leaks
and the modelled part of the sub-catchment of Rastatt-Danziger Strasse 137
3.11 Monthly UNSAT water balance simulation results 138 3.12 Sensitivity of groundwater recharge calculations to the
runoff coefficient 139 3.13 Sensitivity of groundwater recharge calculations to
maximum water content 140 3.14 Sensitivity of groundwater recharge calculations to
vertical hydraulic conductivity of the active soil layer 141 3.15 Nodes and sewers selected for model validation 142 3.16 Comparison of modelled groundwater levels and measured data 143 3.17 Pancevacki Rit region: geographical location,
sub-catchments and drainage channel network 146 3.18 Water level duration curves for the River Danube in the
Pancevacki Rit study area 147 3.19 The Digital Terrain Model (DTM), locations of selected
boreholes and locations of the cross-sections P-1, P-2 and P-3 shown in Figure 3.20 149
3.20 Aquifer geometry and Digital Terrain Model for the profiles P-1, P-2 and P-3 149
3.21 Precipitation and estimates of potential evapotranspiration as a result of implementing the UNSAT model for 2001 150
3.22 Estimates of leakage and runoff as a result of implementing the UNSAT model for 2001 150
3.23 Results of the analytical 1D model 152 3.24 Results of mesh generation and surface runoff delineation
algorithms 152 3.25 Aquifer transmissivity 153 3.26 Charts showing simulation results for a selected piezometer
and a drainage pumping station 154 3.27 Map of Semberia 155 3.28 Representative west-east geological cross-section 156 3.29 Layout map of the well-fields 157 3.30 Break-through curves 159
3.31 Numerical grid and spatial distribution of hydraulic conductivity 162 3.32 Measured and modelled water levels (in metres above sea level)
in November 1985 164 3.33 Modelled groundwater levels (metres above sea level) and flow
paths in Semberia for 1994 165 3.34 Capture zones and travel times before and after the closure
of five western wells 166
