Urban Water Balance Model Analysis

Abstract:

With the increasing conflicts of the urban water supply and demand,and the integration of urban water supply and water disposal,water balance is important for integrated urban water management.First,hierarchy structure was developed;the urban water system model is integrated by innerbuilding submodel,outerbuilding submodel and pipework submodel.Second,urban water performance indicators were presented and categorized to environmental,economical and social service indicators.Third,excelbased water balance program was compiled.Finally,a case study was made of SH City.Computation results show that the water balance model is practical and operable.

Key words:urban water system; water balance model; performance indicators