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Watershed Planning within a Quantitative Scenario Analysis Framework
Published on: July 24, 2016
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A system dynamics urban water management model for Macau, China
Tong Wei1, Inchio Lou2, Zhifeng Yang1
1State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University, Beijing 100875, China.
Journal of Environmental Sciences (China)
|December 31, 2016
Summary
Urban water demand is driven by population and economic growth, influenced by climate. Integrated water conservation measures can significantly reduce demand by 17.5%.
Area of Science:
- Urban Water Management
- System Dynamics Modeling
- Environmental Science
Background:
- Urban water resources face increasing pressure from population growth, urbanization, and climate change.
- Understanding the dynamic interplay between water demand and socio-economic factors is crucial for sustainable urban development.
Purpose of the Study:
- To develop and apply a system dynamics model for urban water management.
- To simulate the interactions between urban water demand, societal factors, economic conditions, climate, and water conservation.
- To quantify the impact of water conservation willingness on water demand.
Main Methods:
- A system dynamics urban water management model was developed.
- The model incorporated residents' water conservation willingness.
- Simulations were conducted for Macau to analyze water demand drivers and conservation effects.
Main Results:
- Population size is the primary driver of urban water demand.
- Temperature and precipitation significantly affect landscape water demand.
- Water demand is sensitive to changes in population, per capita demand, and temperature.
- Increased precipitation reduces urban water demand, while economic growth increases it.
Conclusions:
- Integrated water conservation measures and enhanced public willingness can reduce urban water demand.
- The study demonstrated a potential reduction of 17.5% in water demand through effective conservation strategies.
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