In Figure 9. 41, a typical dynamic model of urban water management has been shown.

Using your own city data, create this model with system dynamic simulation software.

Explain the relations you have considered between different parts of the urban water system. Discuss the future of water if water demand could be decreased by 5%.

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Metropolitan area Precipitation ATMOSPHERE Evaporation Industrial cooling water Urban land surface (manipulated) Direct Runoff Bodies of surface water (manipulated) Infiltration Zone of Aeration Recharge basins Retention basins Lawn and crop Irrigation Sewage Precipitation Capillary rise Septic tanks and cesspools Water system Leakage Groundwater pumping Zone of saturation Deep intrusions FIGURE 9.41 Typical urban water dynamic model. Seepage and spilling flow Recharge or diffuses wells Storm drainage Wasto- Impacted low flow augmentation Surface water Outflow Impacted water supply water sewage Direct Effluent discharge Expected water supply Sewer leakage acceleration *Expected industrial consumptive uses Subsurface groundwater outflow Ocean