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Environmental risk assessment of the municipal solid waste in a city-state: A case study of Macao

机译：某城市城市生活垃圾的环境风险评估-以澳门为例

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摘要

The article is the evaluation in the practice of risk assessment for city-states. The Pressure-State-Response (PSR) model was applied to the establishment of an environmental risk assessment indicator system. Environmental risk index (ERI) and each subsystem index were calculated through an analytic hierarchy process. It takes the municipal solid waste (MSW) in Macao as a case study to execute. The risk grading and the potential risk for the MSW in Macao were determined. The results showed that the ERI of the Macao's MSW remained at a medium level (Level III, 0.4-0.6) from 2000 to 2015, respectively, and increased gradually. Meanwhile, the future trend of the environmental risk of the MSW was predicted for Macao and the causes were analyzed. The environmental risk of the MSW in 2019 will achieve a high level (Level IV, 0.6-0.8), and the environment risk in 2041 will achieve an extremely high level (>0.8). For the first time, the research applied to the PSR model into the environmental risk assessment of MSW, this method is reasonable and feasible. Further research can provide a scientific basis for risk prevention management in city-states and can be of reference for other urbanized areas.
机译：本文是对城市国家风险评估实践的评估。压力状态响应（PSR）模型被用于建立环境风险评估指标体系。环境风险指数（ERI）和每个子系统指数都是通过层次分析法计算得出的。以澳门的城市生活垃圾为例进行研究。确定了澳门城市固体废物的风险等级和潜在风险。结果显示，澳门城市固体废物的ERI从2000年至2015年分别保持在中等水平（III，0.4-0.6），并逐渐增加。同时，对澳门城市固体废弃物环境风险的未来趋势进行了预测，并对原因进行了分析。 2019年城市固体废弃物的环境风险将达到较高水平（IV级，0.6-0.8），而2041年的环境风险将达到极高水平（> 0.8）。该研究首次将PSR模型应用于城市固体废弃物的环境风险评价中，该方法是合理可行的。进一步的研究可以为城市州的风险预防管理提供科学依据，并可以为其他城市化地区提供参考。

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