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| Simulation of a decision-making model for brownfield redevelopment based on health and safety: Case study of city F in Guangdong |
| Received:April 12, 2020 |
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| KeyWord:brownfield;redevelopment;soil pollution;decision-making model |
| Author Name | Affiliation | E-mail | | FU Shi-qi | School of Geography and Planning, Sun Yat-sen University, Guangzhou 510275, China
Urban Planning & Design Institute of Shenzhen, Shenzhen 518031, China | | | WU Qing | School of Geography and Planning, Sun Yat-sen University, Guangzhou 510275, China | wuqing@mail.sysu.edu.cn | | ZHONG Shi-yu | School of Geography and Planning, Sun Yat-sen University, Guangzhou 510275, China
Guangdong Techno-Economy Research and Development Center, Guangzhou 510070, China | |
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| Abstract: |
| There is a close relationship between potential soil pollution and human health in the redevelopment and utilization of brownfield. Based on the thought and quality standard of brownfield development and utilization in environmental fields such as "access mechanism of construction land" and "soil environmental quality standards", integrated the factors of environment, economy, society, and plot characteristics, this paper constructs a decision-making index system and model of brownfield redevelopment, and utilizes the fuzzy comprehensive method to simulate the redevelopment direction for target plots to improve its authenticity and safety. According to the soil environmental quality survey and land use planning data of F City in Guangdong Province, combined with the "three old transformation" planning scheme, the degree of soil pollution was calculated, and the visual safety assessment was carried out via ArcGIS. The decisionmaking simulation of the redevelopment direction of the target plot was implemented and the combination of variable weights was used to verify the simulation results. The results show that 37% redevelopment direction of brownfield needs to be revised. Among the influencing factors, the environmental factors had the largest weight, followed by plot characteristics, and the weight of social and economic factors was the smallest. The risk management and control measures of land classification determined by the simulation decision-making model can play a better guiding role in the decision-making of brownfield redevelopment. |
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