How does saline water and salt interact with regolith materials?
This will be addressed through geochemical modelling; lysimeter experiments and chemical equilibrium, determined through CEC and XRD analysis 3. How and how fast is it mobilized? Basic hydraulic properties of regolith materials will be determined through field pump tests and laboratory analysis (porosimetry, x-ray tomography, permeability test, etc) on samples collected from drill cores. Isotopic studies will help elucidate timeframes for mobilisation and components of the mass balance equations. 4. Where and at what rate is it transported? Landscape analysis, hydrology and hydrogeology models will be used to characterise different terrains and model the 3D spatial variability in salinity mobilisation using the parameters determined in 3. Climate as a driver will be examined in well-characterised catchments and the effects of land-use change evaluated. To date, salinity parameters have been largely semi-quantitative. Working constructs, such as groundwater flow systems provide a target
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- How does saline water and salt interact with regolith materials?
