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2
2.1
GROUNDWATER MODEL
Introduction
The MODFLOW 2000 numerical code (Harbaugh et al, 2000) along with the user interface Groundwater
Vistas, Version 6 (ESI, 2011) is used to simulate groundwater flow and surface water / groundwater
interaction in the Groundwater Model.
The modelling has been undertaken assuming saturated, single phase, temperature independent and single
density groundwater flow.
2.2
Groundwater Vistas files
Nine Groundwater Vistas files and a single results file have been provided. They are:

Namoi_Historical.gwv

Namoi_Historical.hds

Namoi_Sc0.gwv

Namoi_Sc1.gwv

Namoi_Sc2.gwv

Namoi_Sc3.gwv

Namoi_Sc4.gwv

Namoi_Sc5.gwv

Namoi_Sc6.gwv

Namoi_Sc7.gwv
These files contain all of the data required to run the historical and predictive scenario models. The results
file “Namoi_Historical.hds” forms the initial heads for all of the scenario runs. When running any of these
scenarios for the first time the link to the “Namoi_Historical.hds” file must be defined within Groundwater
Vistas.
50371/P3-R3 FINAL
Schlumberger Water Services
2
DTIRIS NSW)