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针对合流制排水系统溢流(CSO)污染严重的问题,指出基于绿色雨水基础设施(GSI)的CSO污染管理途径。简要介绍了几个典型的GSI技术并例举了美国GSI应用的一些工程实践,指出目前存在的问题,提出改进措施。指出将GSI融入传统设施的精细化雨水管理是未来CSO控制的发展方向。
In view of the serious pollution of the combined drainage system overflow (CSO), the CSO pollution management approach based on the Green Rainwater Infrastructure (GSI) is pointed out. A few typical GSI technologies are briefly introduced and some engineering practices of GSI applications in the United States are illustrated. The existing problems are pointed out and improvement measures are proposed. Pointed out that the refinement of stormwater management to integrate GSI into traditional facilities is the future direction of CSO control.