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Multicriteria Decision Analysis Applied to Sponge City Construction in China: A Case Study
Nan Li1, Chengxin Qin1, Pengfei Du1
1State Key Joint Laboratory of Environment Simulation and Pollution Control, School of Environment, Tsinghua University, Beijing, China.
Integrated Environmental Assessment and Management
|April 26, 2019
Summary
China
Area of Science:
- Environmental Science
- Urban Planning
- Water Resource Management
Background:
- China launched sponge city (SPC) construction in 2014 for stormwater management.
- Previous SPC evaluations relied on subjective expert methods.
- China's SPC evaluation system comprises 6 categories and 22 indicators.
Purpose of the Study:
- To develop an objective, multicriteria approach for evaluating SPC construction.
- To improve upon existing subjective evaluation methods for SPCs.
- To analyze the relationship between SPC projects and evaluation criteria.
Main Methods:
- Utilized multicriteria attributes value theory (MAVT).
- Integrated the entropy method to reduce methodological errors.
- Conducted sensitivity analysis of SPC alternatives against criteria.
Main Results:
- The proposed MAVT and entropy method approach provides an objective evaluation.
- Sensitivity analysis revealed interrelationships between SPCs and evaluation criteria.
- The Hebi SPC project demonstrated the approach's efficiency and simplicity.
Conclusions:
- The developed method offers a more objective means for SPC performance evaluation.
- This approach aids decision-makers in understanding SPC effectiveness.
- It serves as a pilot for objective SPC evaluation methodologies.
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