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Integrated groundwater flow model: Laidley Creek catchment, Lockyer Valley, southeast Queensland


Pavel Dvoracek
PhD
2006 - 2010




Email


Faculty
Faculty of Science and Technology

Supervisor/s
Aspro Malcolm Cox, Prof Peter Grace




Thesis Abstract

The Lockyer Valley region uses intensive irrigation, predominantly groundwater from the shallow alluvial aquifer. Without adequate management of groundwater resources, the water supply situation will deteriorate. To manage the groundwater resource requires more information on the groundwater flow system as well as overall hydrological system.

This project aims to define a framework and apply numerical modelling techniques to gain an understanding of the hydrogeological processes within the Laidley Creek catchment. The main focus will be on the shallow alluvial aquifer as a main resource of available groundwater.

The research objectives are to:
  • create a conceptual model of the alluvial aquifer within the catchment
  • analyse the influence of the headwater basalt aquifer on the overall water budget i.e. to establish the importance of the basalt aquifer for recharge of the productive alluvial aquifer
  • analyse the influence of underlying (bedrock) sandstone aquifers on the recharge of alluvial aquifer
  • create a numerical model of the groundwater flow processes within the alluvial aquifer.