Prediction of Water Security

Impact of spatial and temporal averages on prediction of water security" include a link to this presentation

This study has adopted unique spatially and temporally explicit methods of systems analysis to understand the impacts of average water demands on the security of water supplies for Sydney and Melbourne. The analysis utilised detailed distributed inputs throughout cities, such as demographic profiles, human behaviour and climate dependent water demands, and linked systems that account for water supply, sewerage, stormwater and environmental considerations.

Use of average water demands that replace spatial and temporal detail of cities in analysis of regional water systems generates dramatic reductions in certainty about system behaviour that leads to large uncertainty in understanding of the performance of the system. The use of global averages in simulation of regional water systems is unlikely to describe the spatial and temporal contribution provided by distributed WSUD approaches that generate water resources or reductions in water demands within a metropolis.

It is recommended that analysis of regional water resources for cities use spatially and temporally explicit methods of systems analysis to understand the security of urban water supplies. Otherwise, the full potential of alternative water management options including WSUD approaches may not be understood.

Source: Urban Water Cycle Solutions 

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Taxonomy

• Water Management & Security
• Drinking Water Security
• Water Security
• Land and Water Resources Management