How do decision makers assemble complex sets of information to allow them to make the best decision using the best information available, for instance in the complex area of urban planning, complex because of the diversity of dimensions to the problem? Perhaps they don’t? Many decisions rely on past experience rather than based on an understanding of how the current and projected situation will influence the outcomes of decisions taken now. Demographic predictions (in a range of scenarios) in particular need to be taken into account (population growth is the subject of current discussion within EA). The potential complexity of the urban planning decisions is enormous and layering sensitivity analysis and what if scenarios is extremely challenging (and costly) using conventional modelling tools. The challenges require use of complex computer modelling with access to robust data of known authenticity and integrity. With impacts of decisions today over many decades we must endeavour to optimise investments for the future to deliver sustainable outcomes. How can we do this?
I was fortunate recently to attend the Virtual Australia Summit sponsored by Victorian Spatial Council and the Co-operative Research Centre for Spatial Information. The initiative is planned to lead to the development of a real world model of Australia which will assist in decision making including in relation to infrastructure investment. It is expected that Virtual Australia will comprise a set of models which draw on common data sets and are interoperable. Realisation of Virtual Australia will need to progress on a staged basis and be highly dependent on availability of suitable information systems.
This project has the potential to support a wide range of engineering infrastructure investment decisions and activities: it will depend on ICT engineers. Members of the ITEE College have an important role here and we need to work closely with members of other Colleges to deliver optimum sustainable futures for Australia.
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