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This paper explores some of the major aquifers around the world and determines how countries are coping with increased water usage.
Ultimately, Australia's water services will need to be driven by clear economic signals which have likely been derived from established competitive supply systems based on equitably achieved ownership of water entitlements secured from scientifically sound water resource plans. Any social needs for water should be separately funded.
A lot can happen in ten thousand years. Predicting what will happen over this time frame - and building to withstand anything from earthquakes and floods to beaver infestations - is a challenge uranium mining operators must overcome.
The National Water Commission considers that water recycling - including for drinking purposes - can provide a significantly greater proportion of Australia's future urban water supplies. Greater recycling offers the prospect of more secure, less climate-vulnerable water supplies. There is unrealised potential also for environmental and urban amenity benefits.
The Murray-Darling Basin plan has begun to co-ordinate groundwater storage calculations for sustainable diversion limits (SDLs). This is a complex process across 78 distinct groundwater areas in the Basin. Only 10% of current water use in the Basin is from groundwater, although the 1700 GL per year on average that is sourced from groundwater is a strategic store for dry periods. Yet groundwater is an important part of the river and wetland system.
A project financed by the current WRL project staff has digitised all the vintage WRL Research Reports and to made them available through the UNSW Library.
The Sydney Basin contains Australia's largest concentration of stationary carbon dioxide emission sources, including power generation, oil refining and other industrial activities. For these emissions to be stored geologically capacity must be found within the geological sequence of the Basin, or adjacent basins.
This project has demonstrated that incorporating groundwater chemistry into hydrogeological investigations is essential and stresses the need for continuous and rigorous monitoring of water chemistry, because it provides information about how changes in water management will affect both surface water and groundwater quality in the long term.
Stalagmites have several characteristics that make them ideally suited to reconstructing past climates and environments.
The National Water Initiative (NWI) requires all currently overallocated and overused surface and groundwater systems to be returned to environmentally sustainable levels of extraction. It also requires other less-stressed systems to be maintained at an environmentally sustainable level of use.