摘要
南水北调中线工程是一项利国利民的大项目,也是我国未来能源发展战略的重要举措。根据"驱动力—压力—状态—影响—响应"(DPSIR)模型框架,提出了南水北调中线突发水污染事件分级体系。首先选取能够反映区域驱动力、压力、状态、影响、和响应的16个指标构建评价指标体系,并根据指标的特性分为静态系统和动态系统两部分;其次结合中线工程实际现状进行指标的标准化赋值;然后利用层次结构分析法和社会协调发展度模型确定突发水污染事件的风险等级;最后以S237运河大桥为例,描述和验证了该分级体系的合理性。
The Middle Route of South-to-North Water Transfer Project(MRP) is a large-scale project benefiting the whole nation, and also a key measure of China's future energy development strategy. This paper describes a classification and grading system of water pollution emergencies in MRP based on a driving-pressure-state-impact-responses(DPSIR) framework. First, we construct an evaluation index system using 16 indicators selected to reflect the driving force, pressure, state, influence and response of different regions, and divide them into a static system and a dynamic system by the characteristics of the indicators. Then, their values are specified through a procedure of standardized assignment that considers the overall conditions and requirements of MRP, and the risk level of water pollution emergencies is determined using an analytical hierarchy procedure and a coordinated social development model. Finally, a classification system is described and verified using a case study of the canal bridge S237.
引文
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