Technical reports

Hydrostratigraphy, hydrogeology and system conceptualisation of the Great Artesian Basin

Ransley TR and Smerdon BD (eds) (2012) Hydrostratigraphy, hydrogeology and system conceptualisation of the Great Artesian Basin. A technical report to the Australian Government from the CSIRO Great Artesian Basin Water Resource Assessment. CSIRO Water for a Healthy Country Flagship, Australia.

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Chapter 2: Jurassic-Cretaceous geology
Figure 2.2 Digital elevation model with Great Artesian Basin boundary and aquifer recharge zones
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Figure 2.3 Digital elevation model with Great Artesian Basin boundary and aquifer recharge zones
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Figure 2.4 Basement to the Great Artesian Basin showing structural elements of the Carpentaria-Karumba and Laura-Kalpowar basins
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  • Elevation of base of GAB sequence: Layer 10 Great Artesian Basin base of Jurassic-Cretaceous sequence surface
  • Structures: Line features representing the structures in the Carpentaria and Kurumba basin, captured from the Geology of the Carpentaria and Kurumba Basins Queensland 1980 hard copy map compiled 1977 by J.Smart, H.F. Doutch, Miss D. M. Pillinger, BMR; K. G. Grimes, GSQ.
Figure 2.7 Basement of Great Artesian Basin with underlying geological basins
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Figure 2.8 Basement surface of the Carpentaria and Laura basins with underlying sedimentary basins
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Figure 2.12 Configuration, extent and thickness of the basal Jurassic-Cretaceous sandstone aquifers in the Carpentaria and Laura basins
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Figure 2.13 Mesozoic geology of the Carpentaria and Laura basins highlighting thickness of the onshore Normanton Formation aquifer
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Figure 2.14 Sub-basins of the Carpentaria and Laura basins and relationships with contiguous basins
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Chapter 3: Cenozoic geology
Figure 3.1 Thickness of Cenozoic sequence over the Great Artesian Basin
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Figure 3.2 Thickness of Paleogene-Neogene sequence overlying the Great Artesian Basin
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Figure 3.3 Thickness of Cenozoic weathering
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Figure 3.4 Cenozoic geology and sequence thickness in the Karumba and Kalpowar basins
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Chapter 5: Hydrogeology of the Great Artesian Basin
Figure 5.2 Revised hydrogeological boundary of the Great Artesian Basin
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Figure 5.3 Location of Helidon Ridge
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Figure 5.7 Reinterpretation of the south-western onshore boundary of the Carpentaria hydrogeological basin
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Figure 5.8 Great Artesian Basin hydrogeological units on the basal unconformity juxtaposed with topmost hydrogeological units in underlying basins
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Figure 5.9 Extent of Paleogene-Neogene deposits in relation to the underlying Jurassic-Cretaceous sequence of the Great Artesian Basin
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Tables 5.2, 5.3 Figures 5.22, 5.23, 5.24, 5.25
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Figure 5.26 Spatial distribution of mean horizontal permeability and locations of data points
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Figure 5.29 Thickness of Rolling Downs group with location of polygonal faulting
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Chapter 6: Regional Watertable
Figure 6.1 Regional watertable in the Great Artesian Basin Note: elevation of the watertable is in mAHD
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Figure 6.25 Great Artesian Basin - wide coverage of healthy and persistent riparian vegetation based on three EVI time series coefficients for the period 2000-2008. Streams with high EVI values along their riparian corridors are shown in orange
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Chapter 7: Regional hydrodynamics
Figure 7.1 Groundwater temperature of the Cadna-owie - Hooray Aquifer and equivalents, derived from downhole, bottom of hole and surface (free-flowing) measurements
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Figure 7.2 Potentiometric surface maps for the Cadna-owie - Hooray Aquifer and equivalents across the Great Artesian Basin for 20-year intervals of pressure measurements since the start of development of Great Artesian Basin aquifers
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Figure 7.3 Pre-development (circa 1900 to 1920) potentiometric surface maps for the Cadna-owie - Hooray Aquifer and equivalents across the Great Artesian Basin, with and without influence of regional tectonic faulting
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Figure 7.4 Modern (circa 2010) potentiometric surface maps for the Cadna-owie - Hooray Aquifer and equivalents across the Great Artesian Basin, with and without influence of regional tectonic faulting
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Figure 7.5 Potentiometric difference surface between pre-development and modern day including selected groundwater level hydrographs
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Figure 7.6 Difference between the watertable and Cadna-owie - Hooray Aquifer and equivalents potentiometric surface across the Great Artesian Basin. Positive values indicate potential for downward flow and negative values indicate potential for upward flow
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Figure 7.9 Groundwater recharge estimated by the chloride-mass-balance method to Cadna-owie - Hooray and Hutton aquifers
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Chapter 8: Regional hydrogeochemistry
Figure 8.2 Total dissolved solids for groundwaters within formations of the Great Artesian Basin sequence
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Figure 8.4 Alkalinity for groundwaters within formations of the Great Artesian Basin sequence
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Figure 8.5 Stable carbon isotope variations in Cadna-owie - Hooray groundwaters
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Figure 8.6 Sodium adsorption ratio for groundwaters within formations of the Great Artesian Basin sequence
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Figure 8.8 Sulphate concentrations for groundwaters within formations of the Great Artesian Basin sequence
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Figure 8.10 Fluoride concentration for groundwaters within formations of the Great Artesian Basin sequence
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Figure 8.12 Carbon-14 variation in the Cadna-owie - Hooray Aquifer groundwaters across the Great Artesian Basin (after Radke et al., 2000)
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Figure 8.13 Chlorine-36 to chloride ratio variations in the Cadna-owie - Hooray aquifers across the Great Artesian Basin
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Chapter 9: Advancing the understanding of the Great Artesian Basin
Figure 9.2 Coincidence of crustal stress vectors (after Hillis and Reynolds, 2000) and river tracts with high evapotranspiration losses
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Compendium of A3 figures
A3 Figure 1 Digital elevation model with Great Artesian Basin boundary and aquifer recharge zones
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A3 Figure 2 Hydrogeological basement elevation with structural elements of the Eromanga, Carpentaria, Surat and Clarence-Moreton basins
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A3 Figure 3 Basement of Great Artesian Basin with underlying geological basins
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A3 Figure 4 Thickness of Cenozoic sequence over the Great Artesian Basin
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A3 Figure 5 Thickness of Paleogene-Neogene sequence overlying the Great Artesian Basin
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A3 Figure 6 Thickness of Cenozoic weathering
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A3 Figure 10 Extent of Paleogene-Neogen deposits in relation to the underlying Jurassic-Cretaceous sequence of the Great Artesian Basin
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A3 Figure 20 Thickness of Rolling Downs group with location of polygonal faulting
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A3 Figure 21 Thickness of Rolling Downs group with location of polygonal faulting
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APPENDIX E: Hydrodynamic data
Apx Figure E.1 Potentiometric difference surface between pre-development and modern day including selected groundwater level hydrographs (black dots) presented in this appendix
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Modelling of climate and groundwater development

Welsh WD, Moore CR, Turnadge CJ, Smith AJ and Barr TM (2012) Modelling of climate and groundwater development. A technical report to the Australian Government from the CSIRO Great Artesian Basin Water Resource Assessment. CSIRO Water for a Healthy Country Flagship, Australia.

Chapter 2: GABtran model
Figure 2.3 Change in GABtran groundwater level (m) under Scenario A
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Figure 2.4 Change in GABtran groundwater level (m) under Scenario C
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Figure 2.5 Change in GABtran groundwater level (m) under Scenario C relative to Scenario A
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Figure 2.6 Change in GABtran groundwater level (m) under Scenario D
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Chapter 4: Cape York model
Figure 4.14 Change in Cape York groundwater level (m) under Scenario A with the three storativity estimates
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Figure 4.15 Change in Cape York groundwater level (m) under Scenario C with storativity corresponding to an aquifer thickness of 100 m
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Figure 4.16 Change in Cape York groundwater level (m) under Scenario C with storativity corresponding to an aquifer thickness of 150 m
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Figure 4.17 Change in Cape York groundwater level (m) under Scenario C with storativity corresponding to an aquifer thickness of 200 m
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Figure 4.18 Change in Cape York groundwater level (m) under Scenario C relative to Scenario A with storativity corresponding to an aquifer thickness of 100 m
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Figure 4.19 Change in Cape York groundwater level (m) under Scenario C relative to Scenario A with storativity corresponding to an aquifer thickness of 150 m
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Figure 4.20 Change in Cape York groundwater level (m) under Scenario C relative to Scenario A with storativity corresponding to an aquifer thickness of 200 m
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Figure 4.22 Change in Cape York groundwater level (m) under Scenario D, and under Scenario D relative to Scenario C with storativity corresponding to an aquifer thickness of 100 m
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Figure 4.23 Change in Cape York groundwater level (m) under Scenario D, and under Scenario D relative to Scenario C with storativity corresponding to an aquifer thickness of 150 m
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Figure 4.24 Change in Cape York groundwater level (m) under Scenario D, and under Scenario D relative to Scenario C with storativity corresponding to an aquifer thickness of 200 m
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Chapter 5: Uncertainty analyses
Figure 5.10 Spatial distribution of data worth of monitored groundwater levels used in GABtran calibration
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Figure 5.11 Spatial distribution of data worth of monitored groundwater levels used in GABtran calibration in the Carpentaria region
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Figure 5.12 Spatial distribution of data worth of monitored groundwater levels used in GABtran calibration in the Central Eromanga region
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Figure 5.13 Spatial distribution of data worth of monitored groundwater levels used in GABtran calibration in the Surat region
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Figure 5.14 Spatial distribution of data worth of monitored groundwater levels used in GABtran calibration at Granite Springs in the Surat region
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Figure 5.15 Spatial distribution of data worth of monitored groundwater levels used in GABtran calibration in the Western Eromanga region
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Figure 5.16 Spatial distribution of data worth of monitored groundwater levels used in GABtran calibration at Dalhousie Springs in the Western Eromanga region
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