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G-FLOWS

G-FLOWS 1

This project has focused on data poor areas of arid South Australia, and made advances using a range of scientific methods to better understand the water resources of arid inland South Australia. G‐FLOWS‐1 has used multiple data sources to bring together a comprehensive current conceptual model of hydrogeology in the Musgrave Province. This harnessed remotely‐sensed datasets, with on‐ground and borehole measurements, to provide a much greater sense of the subsurface variability in the area. Specifically the G-FLOWS 1 project:

  • Assessed techniques for combining topographic and airborne geophysical datasets and developed a hydrogeological framework for the Musgrave Province.
  • Collated and enhanced multiple spatial datasets in the Musgrave Province, to provide best available information of groundwater, aquifer characteristics and variability. These supported the hydrogeological model, allowing targeting of future finer‐scale assessments of extensive subsurface drainage features.
  • Developed a processing and inversion strategy for employing historical and contemporary EM data affected by system uncertainties and errors, to produce calibrated data for hydrogeological assessment. This was undertaken in the Frome Embayment using fixed‐wing and helicopter TDEM datasets acquired between 2000 and 2012.

The findings of this project are detailed in Technical Report 13/13

http://www.goyderinstitute.org/uploads/GFLOWS-1-FINAL%20Synthesis%20REPOR_web%20ready.pdf

G-FLOWS 2

The Goyder Institute G-FLOWS 2 (Finding Long-term Outback Water Solutions) project will increase our knowledge about the character and variability of outback groundwater resources, the sustainability of those resources and their relationship to environmental and cultural assets. The outcomes of this project will enable prudent decision making and policies regarding water allocation, accounting, licensing and sustainable yields whilst ensuring groundwater-dependent ecosystems and environmental assets are protected.

This work will also assist in the development of water supplies for remote Far North communities by identifying alternate groundwater sources to improve water supply security.

To date, our research has developed methodologies to interpret airborne geophysics that can locate new groundwater sources from existing information. These methodologies are now being tested and evaluated in case study locations in the Northern Eyre Peninsula.

Photo: Claire Punter