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对国内外关于雨洪管理的理念及资源化实践经验进行了梳理,在此基础上分析了北京市鹫峰国家森林公园内废弃砂石坑的水资源现状及植被景观特点,并计算了废弃砂石坑现状汇水量及容积。基于雨洪管理的先进理念提出废弃砂石坑改造设计,具体措施有清淤、防渗处理、生态护岸、植物配置,将昔日公园废弃砂石坑改造成坑塘,使其在发挥蓄水功能的同时能够净化水质,而且还具有观赏价值。
On the basis of analyzing the domestic and international concepts of rainstorm management and resource-based practical experience, the status quo of water resources and landscape features of abandoned sandstones pit in Jiufeng National Forest Park in Beijing were analyzed. Stone pit current catchment volume and volume. Based on the advanced concept of stormwater management, this paper puts forward the design of abandoned gravel pit with specific measures such as dredging, seepage prevention treatment, ecological revetment and plant disposition, transforming the abandoned gravel pit in the former Park into a pit pond, At the same time to purify water quality, but also has ornamental value.