[1]李建平,林 川,韦 玮,等.高渗透下凹绿地对自然降雨径流及污染的削减效能[J].江苏水利,2018,(11):6-13.
LI Jianping,LIN Chuan,WEI Wei,et al.Reduction efficiency of natural rainfall runoff and pollution by concave green space under high permeability[J].JIANGSU WATER RESOURCES,2018,(11):6-13.
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高渗透下凹绿地对自然降雨径流及污染的削减效能()
《江苏水利》[ISSN:1006-6977/CN:61-1281/TN]
- 卷:
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- 期数:
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2018年11期
- 页码:
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6-13
- 栏目:
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生态与环境
- 出版日期:
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2018-11-30
文章信息/Info
- Title:
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Reduction efficiency of natural rainfall runoff and pollution by concave green space under high permeability
- 文章编号:
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1007-7839(2018)11-0006-08
- 作者:
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李建平1; 林 川1; 韦 玮1; 丛海兵2*; 蒋新跃2; 赵庆俊2
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1.扬州市涵闸河道管理处,江苏 扬州 225000;
2.扬州大学环境科学与工程学院,江苏 扬州 225127
- Author(s):
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LI Jianping1; LIN Chuan1; WEI Wei1; CONG Haibing2*; JIANG Xinyue2; ZHAO Qingjun2
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1.Yangzhou Culvert Gate Channel Management Office,Yangzhou 225000;
2.School of Environmental and Engineering,Yangzhou University,Yangzhou 225127,Jiangsu
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- 关键词:
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高渗透; 下凹绿地; 径流削减; 径流污染削减
- Keywords:
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high permeability; concave green space; runoff reduction; runoff pollution reduction
- 分类号:
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TU985
- 文献标志码:
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B
- 摘要:
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针对粉细砂地区普通下凹绿地的蓄水、渗水能力低下的问题,设计建设了水平高渗透、垂直高渗透、组合高渗透3种高渗透下凹绿地中试系统。记录了一个自然年的降雨量及绿地产流量,试验测定了不同降雨强度下不同绿地的截污能力。结果表明,在一个自然年中,上凸式、普通下凹式、水平高渗透下凹式、垂直高渗透下凹式、组合高渗透下凹式绿地年径流总量控制率分别为42.44%、76.43%、90.70%、86.85%、92.97%。在降雨重现期0.3~5年、降雨历时60 min的降雨条件下,普通、水平高渗透、垂直高渗透、组合高渗透下凹式绿地对COD的平均削减率分别为69.06%、93.47%、84.75%、95.58%;对SS的平均削减率分别为87.01%、96.75%、94.05%、97.50%;对TN的平均削减率分别为65.80%、90.03%、82.78%、93.14%;对TP的平均削减率分别为67.82%、91.78%、85.67%、94.32%。
- Abstract:
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Aiming at the problem of low water storage and water seepage capacity of ordinary concave green space in fine sand area, three kinds of pilot test system of concave green space with high horizontal penetration, high vertical penetration and combined high penetration were designed and constructed was designed and constructed.The rainfall and green real estate volume of a natural year were recorded, and the interception capacity of different green spaces under different rainfall intensities was tested.The results showed that in a natural year, the total annual runoff control rates of upper convex, ordinary permeable concave, high horizontal penetration concave, high vertical penetration concave and combined high penetration concave green space were 42.44%, 76.43%, 90.70%, 86.85% and 92.97% respectively.Under the rainfall conditions of 0.3 to 5 years of rainfall return period and 60 minutes of rainfall duration, the average reduction rate of common, horizontal high permeability, vertical high permeability and combined high permeability concave green space to COD was 69.06%, 93.47%, 84.75% and 95.58% respectively, the average reduction rate to SS was 87.01%, 96.75%, 94.05% and 97.50% respectively, the average reduction rate to TN was 65.80%, 90.03%, 82.78% and 93.14% respectively, and the average reduction rates to TP was 67.82%、91.78%、85.67% and 94.32% respectively.
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备注/Memo
- 备注/Memo:
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收稿日期:2018-05-24
基金项目:江苏省水利科技项目(2016048),扬州市建设科技项目(20160920),扬州市重点研发计划项目(YZ2017082)
作者简介:李建平(1977—),男,本科,工程师,主要从事水利工程建设与水利建设管理工作。
通讯作者:丛海兵(1968—), 男,博士,教授,研究方向为水污染控制与给排水工程优化。
更新日期/Last Update:
2018-11-15