中高雨强下公园传输型植被浅沟径流控制效果

发布时间：2018-06-25 22:02

本文选题：传输型植被浅沟 + 径流雨水　；参考：《环境科学与技术》2016年11期

【摘要】：传输型植被浅沟构造简单、经济实用,是海绵城市建设的重点推广技术之一。通过在深圳光明新区国家LID雨水综合利用示范区的现场监测研究,探讨了中到大雨下传输型植被浅沟对污染物质以及雨水径流总量、峰值流量的实际控制效果。结果表明,中到大雨下,传输型植被浅沟对SS、COD、NH_4~+-N、NO_3~--N、TN和TP的去除率分别为28.91%~67.29%、37.76%~64.57%、21.84%~34.65%、19.39%~25.99%、23.60%~39.97%和31.49%~48.83%,对径流总量的削减率为50.9%~66.3%,且径流峰值较降雨峰值滞后5~9 min;若设计重现期取1 a,深圳的传输型植被浅沟可接纳相当于自身面积1.79倍硬质路面所产生的径流。
[Abstract]:The transport vegetation shallow gully is one of the key techniques of sponge city construction because of its simple structure, economy and practicality. Based on the field monitoring study in the National lid Rain Water Comprehensive Utilization demonstration area of Guangming New District, Shenzhen, the actual control effect of the transport vegetation shallow gully on the pollutants, the total amount of Rain Water runoff and the peak flow rate under moderate to heavy rain is discussed. The results show that it rains from moderate to heavy rain, The removal rates of NTN and TP in the transport vegetation shallow gully are 28.91D 67.297.297.76x 64.5721.84kb, 34.65x, 19.399n 25.99kb, 39.97% and 31.4948.833.The total runoff reduction rate is 50.966.36.30.The peak runoff value is 59.9m lower than the peak rainfall peak, and if the recurrence period is 1 a, the transport vegetation gully in Shenzhen can be accepted by 39.97% and 31.4948.833.The peak runoff peak is 59.9min behind the peak rainfall peak; if the design recurrence period is 1 a, the transport vegetation gully in Shenzhen can be accepted. When the runoff produced by the hard road surface is 1.79 times its own area.
【作者单位】：北京建筑大学城市雨水系统与水环境省部共建教育部重点实验室;筑博设计(集团)股份有限公司北京分公司;深圳市城市规划设计研究院有限公司;
【基金】：国家重大水专项(2010ZX07320-003-005,2010ZX07320-002) 北京建筑大学基金项目(00331615008) 城市雨水系统与水环境省部共建教育部重点实验室项目(PXM2014 014210 000057)
【分类号】：X52;TU992

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