Securing Broken Hill's Water Supply

Résumé du livre

Contents -- List of figures -- List of tables -- 1. Introduction -- 1.1. Project background -- 1.2. Purpose and scope of this report -- 2. BHMAR Project workflows -- 2.1. BHMAR Project phases -- 2.2. BHMAR Phase 1 -- 2.3. BHMAR Phase 2 -- 2.4. BHMAR Phase 3a -- 2.5. Research methodology and project management -- 2.6. Using AEM to Map MAR and groundwater resource targets -- 3. Managed aquifer recharge and water quality guidelines, and cultural heritage -- 3.1. MAR options and assessment guidelines -- 3.2. National MAR risk assessment framework used in BHMAR phases 2-3a -- 3.3. Water quality guidelines -- 3.4. Indigenous cultural heritage -- 4. Assessment of pre-existing data -- 4.2. Regional geophysics 4.3. Digital elevation data -- 4.4. Remotely sensed satellite data -- 4.5. Land use and cadastral mapping -- 4.6. Summary assessment of pre-existing data -- 5. LiDAR data -- 5.1. LiDAR data acquisition -- 5.2. Calibration and data processing -- 5.3. Utility of the high resolution LiDAR dataset in the BHMAR study area -- 5.4. DEM summary -- 6. Airborne electromagnetics (AEM) -- 6.1. Using AEM to map key elements of the hydrogeological system -- 6.2. AEM system selection for the BHMAR survey -- 6.3. SKYTEM TDHEM System -- 6.4. AEM system resolution and sensitivity -- 6.5. SKYTEM system calibration -- 6.6. BHMAR AEM inversions -- 6.7. Final (WANDA) inversion products -- 6.8. Comparison of borehole EM data with the final inversion -- 6.9. Trans-dimensional Markov Chain Monte Carlo Uncertainty analysis -- 6.10. Re-gridding the BHMAR inversion results using increasingly sparse data -- 6.11. Summary -- 7. Borehole geophysics -- 7.1. Induction conductivity logging -- 7.2. Natural Gamma logging -- 7.3. Nuclear Magnetic Resonance (NMR) logging -- 8. Ground geophysics -- 8.1. Time series monitoring of aquifer pump tests -- 8.2. Ground resistivity and induced polarisation surveys -- 8.3. Aarhus University inversions of the ground geophysical data at Jimargil -- 9. In-river geophysical surveys and sediment sampling -- 9.1. Project requirements and survey options -- 9.2. Multibeam sonar riverbed mapping -- 9.3. Results -- 9.4. Multibeam echo sounder data -- 10. Drilling program -- 10.1. Drilling phases -- 10.2. Rotary mud drilling -- 10.3. Sonic drilling 10.4. Bore construction -- 11. Sonic core logging, sampling and analysis -- 11.1. Core description and sampling -- 11.2. Pore fluid analysis -- 11.3. Physical properties -- 11.4. Palynology -- 11.5. Rock chemistry and mineralogy -- 11.6. MAR Clogging Potential (CSIRO) -- 11.7. Laboratory hydraulic conductivity tests -- 11.8. Total and effective porosity -- 12. Sampling and analysis of near-surface units -- 12.1. Field sampling -- 12.2. Quaternary fluvial-unit geochronology -- 13. Hydraulic testing -- 13.1. Air lift tests -- 13.2. Slug testing -- 13.3. Pump tests -- 14. Water sampling and analysis -- 14.1. Groundwater sampling -- 14.2. Surface water and rainfall sampling -- 14.3. Pore fluid sampling -- 14.4. Quality control procedures 14.5. Hydrochemical data processing and analysis -- 14.6. Geochemical modelling (CSIRO) -- 15. Hydrographic monitoring and analysis -- 15.1. Groundwater level and temperature monitoring -- 15.2. Potentiometric surfaces -- 15.3. Groundwater modelling (CSIRO) -- 16. Recharge studies -- 16.1. Background -- 16.2. Estimating Groundwater Resources in Data-poor Areas Project -- 16.3. Watertable fluctuation method -- 16.4. Groundwater mounding model -- 16.5. Flood frequency analysis -- 16.6. Radiocarbon depth models -- 16.7. Recommendations -- 17. Data integration and mapped products -- 17.1. Flood inundation mapping -- 17.2. Vegetation health and groundwater dependence mapping -- 17.3. Lineaments and structural mapping -- 17.4. Surface geomorphology and landform mapping -- 17.5. Identifying the Blanchetown Clay -- 17.6. Stratigraphic mapping -- 17.7. Mapping hydraulic textural classes -- 17.8. Hydrostratigraphic mapping -- 17.9. Hydraulic conductivity of sediments -- 17.10. Transmissivity -- 17.11. Effective porosity -- 17.12. Diffusion rate within upper confining aquitard -- 17.13. Groundwater volume estimation -- 17.14. Calculating the salt store in the unsaturated zone -- 17.15 Recharge potential mapping -- 17.16. Graphic display of borehole geological, geophysical and geochemical data -- 17.7. 3D geological model and visualisation -- 18. Conclusions -- 19. Recommendations -- References -- Acknowledgements -- Glossary.