A holistic appreciation of the performance of an urban drainage network is needed to understand how best to extend, operate and maintain the asset. These functions are best achieved through the recognition of the complementary roles of monitoring and modelling. A model is needed for planning structural changes to a network. Confirmation of both model asset data and model calibration requires long term as well as short term monitored data. In the future, engineers will make better use of the synergy between monitoring and modelling.

Calibration, model confirmation, modelling, monitoring, urban drainage
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© IWA Publishing 1997
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