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ABSTRACT
Groundwater flow modelling studies are required to resolve groundwater and catchment issues. A model, no matter how sophisticated, will never describe the groundwater system under investigation without deviation of model simulations from the actual physical processes. As a consequence, in applying a numerical model to a field study, the model user should always understand the implications of simplifying assumptions. This paper addresses groundwater modelling concepts and outlines the approach for commissioning and understanding groundwater modelling studies. It will encourage best practice and help avoid potential problems.
